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Kulkarni, Anjali A.* Prof. Hangargekar P.A. "COMPARISON OF SEEP/W SIMULATION WITH OBSERVED SEEPAGE IN EARTHEN DAM." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 2 (2017): 315–18. https://doi.org/10.5281/zenodo.290266.
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The present research work is designed to compare the seepage of earthen dam using finite element based software GEOSTUDIO subproduct SEEP/W with field observed seepage through earthen dam. GEOSTUDIO software is capable to perform analysis such as, stress-strain, seepage, slope stability, dynamic analysis. SEEP/W ,a subproduct of GEOSTUDIO is a finite element software which can simulate the movement and pore-water pressure distribution within porous materials like soil and rock. In present work the seepage of water through earthen portion of Ujjani dam ,an earthfill cum masonary dam in Maharashtra is computed and phreatic line is simulated for single chainage. The observed actual field results of seepage are compared with results obtained by GEOSTUDIO software sub product SEEP/W.
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Wang, Rui, Xi Wang, Kun Yin, and Yang Zhao. "Landslide Stability Analysis Based on GeoStudio." Advanced Materials Research 634-638 (January 2013): 3701–4. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.3701.
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In order to monitor landslide risk, GeoStudio software is frequently applied to landslide stability analysis. In this paper, Juting landslide in Shanxi was subjected by GeoStudio software, while limit equilibrium method was adopted to calculate the landslide stability in the slip surface. The solutions of stress and displacement vector were gotten through SIGMA / W module on the landslide for finite element method in sliding surface stress analysis. And it was also used to import the results obtained in SIGMA / W module into SLOPE / W module to calculate safety factor and the potential sliding surface. The result shows that the calculated safety factors which are worked out by those two ways are close to each other, and limit equilibrium method can be used in landslide stability analysis, but the finite element method is more consistent with the actual situation. GeoStudio software can calculate landslide stability coefficient conveniently, and can express potential slip surface intuitively, providing reliable foundation for landslide stability analysis.
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Arga Rumbyarso, Yonas Prima. "Aplikasi Perangkat Lunak Plaxis dan Geostudio dalam Studi Subsiden Tanah di Kecamatan Tarumajaya akibat Pemanfaatan Air Tanah Berlebih." Jurnal Teknologi dan Sains Modern 1, no. 3 (2024): 110–19. https://doi.org/10.69930/jtsm.v1i3.193.
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Kecamatan Tarumajaya di Kabupaten Bekasi, Jawa Barat, yang memiliki luas 53,63 km2 dan kepadatan penduduk yang tinggi, mengalami peningkatan ekstraksi air tanah untuk penggunaan domestik dan industri melalui sumur bor dalam. Ekstraksi ini berisiko menyebabkan penurunan tanah yang berkelanjutan. Studi ini menerapkan perangkat lunak Plaxis dan Geostudio untuk mensimulasikan dan memproyeksikan tingkat subsiden. Berdasarkan hasil simulasi, Plaxis mengindikasikan penurunan yang lebih signifikan dibandingkan Geostudio, dengan estimasi penurunan mencapai 12,44 cm per tahun saat pompa diaktifkan, dan 2,91 cm per tahun tanpa penggunaan pompa. Di sisi lain, Geostudio menunjukkan penurunan sebesar 11,01 cm per tahun dengan pompa, dan hanya 0,022 cm per tahun tanpa pompa. Hasil ini menunjukkan bahwa penggunaan pompa memiliki pengaruh besar terhadap tingkat penurunan tanah, khususnya pada Gedung A Universitas Esa Unggul, dengan potensi risiko penurunan tanah meningkat hingga 291,09% saat pompa digunakan.
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Budi Fakhruddin, Daffa, Suwanto Marsudi, Evi Nur Cahya, and Muhammad Nurjati Hidayat. "Stability Analysis of Bagong Maindam using Geostudio." Jurnal Teknik Pengairan 15, no. 2 (2024): 103–11. https://doi.org/10.21776/ub.pengairan.2024.015.02.1.
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Chrismaningwang, Galuh, Niken Silmi Surjandari, Yusep Muslih Purwana, Bambang Setiawan, Raden Harya Dananjaya, and Siti Nurlita Fitri. "PENDAMPINGAN DALAM ANALISIS PENANGANAN KELONGSORAN PADA TANAH EKSPANSIF MENGGUNAKAN SOFTWARE GEOSTUDIO." JMM (Jurnal Masyarakat Mandiri) 7, no. 5 (2023): 4100. http://dx.doi.org/10.31764/jmm.v7i5.16611.
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Abstrak: Lumbung Sukodono yang terletak di Desa Sukodono, Kecamatan Panceng, Kabupaten Gresik, Provinsi Jawa Timur mengalami kelongsoran sehingga tidak berfungsi secara maksimal. Sejak tahun 2021, pihak Balai Besar Wilayah Sungai (BBWS) Bengawan Solo, yang bertanggungjawab dalam pengelolaan sumber daya air di wilayah Sukodono, telah berupaya melakukan berbagai macam perbaikan untuk menanggulangi masalah kelongsoran di Lumbung Sukodono namun hingga saat ini, kelongsoran masih terus terjadi. Penggunaan GeoStudio sebagai perangkat lunak analisis geoteknik adalah langkah yang tepat untuk meningkatkan efektivitas dan kehandalan penanganan kelongsoran. Program pendampingan penggunaan software Geostudio oleh tim pengabdian masyarakat diharapkan bisa membantu mitra BBWS Bengawan Solo dalam mengidentifikasi dan menganalisis potensi kelongsoran akibat tanah ekspansif di Lumbung Sukodono dengan lebih akurat. Pendampingan dilakukan pada 3 orang staf teknik dan 3 orang staf lapangan dari Balai Besar Wilayah Sungai (BBWS) Bengawan Solo. Dari hasil observasi, kegiatan ini secara efektif meningkatkan pemahaman mengenai perilaku tanah ekspansif dan cara pemodelannya menggunakan Geostudio terhadap seluruh peserta kegiatan pendampingan. Hal ini ditunjukkan dengan tingkat kesalahan pada saat pemodelan kurang dari 10%.Abstract: Slope instability induced Lumbung Sukodono, which is located in Sukodono Village, Panceng District, Gresik Regency, East Java Province, to operate not as efficiently. Since 2021, the Balai Besar Wilayah Sungai (BBWS) Bengawan Solo, responsible for water resource management in the Sukodono area, has been making various efforts to address the slope instability issue at Lumbung Sukodono. However, the slope instability persists. The use of GeoStudio as a geotechnical analysis software is a suitable step to enhance the effectiveness and reliability of slope instability management. A community engagement program, involving 3 technical staff and 3 field staff, was conducted to assist BBWS Bengawan Solo in identifying and analyzing potential slope instability due to expansive soils at Lumbung Sukodono more accurately. Observations revealed that the program effectively improved participants' understanding of expansive soil behavior and its modeling using GeoStudio, with modeling errors being less than 10%.
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Alfana, Siril, RA Rieke Aulia Assafira, Adolf Situmorang, and Hendra Masvika. "Analisis Stabilitas Lereng Dengan Dinding Penahan Tanah Menggunakan Perhitungan Manual Dan ASDIP Retain v.4.7.6." Teknika 19, no. 1 (2024): 26–37. https://doi.org/10.26623/teknika.v19i1.7855.
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Penelitian ini membahas mengenai analisis stabilitas lereng pada Jalan Tol Trans Sumatera Ruas Sigli-Banda Aceh Seksi 1 pada STA 21+725. Perkuatan lereng menggunakan dinding penahan tanah tipe kantilever setinggi 5,1 m dan kelandaian lereng 45°, dengan angka aman >1,5. Perhitungan dilakukan pada kondisi statis dan kondis gempa menggunakan GeoStudio 2012, ASDIP Retain v.4.7.6, dan perhitungan manual. Hasil perhitungan menggunakan GeoStudio 2012 diperoleh angka aman 3,057 untuk kondisi statis dan 1,787 untuk kondisi gempa. Hasil perhitungan menggunakan ASDIP Retain v.4.7.6 diperoleh SF guling 3,02 dan SF geser 5,81. Gaya geser pada ketinggian kritis sebesar 95,3 kN/m dan tahanan geser sebesar 328 kN/m. Hasil perhitungan manual kondisi statis terhadap gaya eksternal diperoleh SF guling 3,034, SF geser 1,921, dan SF daya dukung 14,19. Nilai SF untuk kondisi gempa diperoleh SF guling 2,077, SF geser 1,775, dan SF daya dukung 9,631. Terhadap gaya internal kondisi statis dan kondisi gempa telah memenuhi syarat angka keamanan. Hasil simulasi dengan GeoStudio 2012, ASDIP Retain v.4.7.6, dan perhitungan manual di atas telah sesuai dengan syarat faktor keamanan sesuai SNI 8460:2017.
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Sahrul R., Mohammad. "Numerical Modeling of Soil Embankment on Soft Soil Using Variation of Expanded Polystyrene (EPS) Geofoam Material Type." Sustainable Civil Building Management and Engineering Journal 1, no. 4 (2024): 8. http://dx.doi.org/10.47134/scbmej.v1i4.2871.
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Subgrade is the layer of soil that lies beneath the pavement. The subgrade plays an important role in supporting and spreading the load from the pavement to the underlying soil. Terzaghi, et al. (1967) state that soft soils can pose serious challenges in geotechnical engineering, due to their tendency to experience large settlement under structural loads. Handling soft soils often requires specialized methods such as preloading, vacuum consolidation, or the use of geosynthetics to improve stability. One of the geosynthetics used in handling soft soil is Expanded Polystyrene (EPS) Geofoam. This research aims to determine the settlement behavior of soil embankment on soft soil reinforced with EPS geofoam. The settlement behavior was obtained with the help of GeoStudio software. EPS geofoam has been used since 1960, this material weighs about 1% of the soil weight and less than 10% of the weight of other embankment materials. As a lightweight embankment material, EPS geofoam can reduce the load imposed on the embankment structure. Modeling of soil embankment on soft soil using various types of EPS geofoam material in this research uses GeoStudio software. The modeling analysis uses SIGMA/W in GeoStudio. Numerical modeling of variations in the type of EPS geofoam material in the embankment on soft soil gives the results of a decrease that is not too significant. The settlement results from modeling with GeoStudio are 0.33240 m for EPS 22, 0.33264 m for EPS 29, 0.33323 mm for EPS 39. EPS 39 provides 0.25% higher settlement than EPS 22.
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Nauli, Josua Kelpin, Yukiko Vega Subagio, and Nabilla Kirana Mokoginta. "ANALISIS POTENSI GERAKAN TANAH DI DESA SIRNARESMI KABUPATEN SUKABUMI." Construction and Material Journal 1, no. 3 (2019): 231–40. http://dx.doi.org/10.32722/cmj.v1i3.2421.
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AbstractGeological phenomena of this kind is not the first time in the historical records, but still not maximizing the process of disaster management and the map of the land area of landslide caused by hilly geographical conditions, land Lanau, forest conditions planted Grain or crops, even by the human cause of illegal logging, as well. Therefore, this research aims to analyze the stability of slope based on data from the BPBD Sukabumi in the form of slope, morphology, class slopes, weight of the contents of land, soil cohesion and deep friction corners. The analysis was conducted with the help of GeoStudio 2012 software application. The results showed based on an analysis of 19 potentially landslides with a range SF 0530 – 0997 indicating the parameters used by the shear angle of 25 º and the soil weight of 13.4 kN/m³Keywords : Slope stability, Landslide, GeoStudio, Sukabumi.AbstrakFenomena geologi semacam ini bukan kali pertama dalam catatan sejarah, akan tetapi masih belum maksimalnya proses penanggulangan bencana dan rambu peta kawasan tanah longsor yang disebabkan kondisi geografis berbukit, tanah lanau, kondisi hutan yang ditanami padi-padian atau tanaman palawija, bahkan oleh sebab manusia sendiri dengan pembalakan liar. Oleh karena itu penelitian ini bertujuan untuk menganalisis stabilitas lereng berdasarkan data dari BPBD kabupaten Sukabumi berupa kemiringan lereng, morfologi, kelas lereng, berat isi tanah, kohesi tanah dan sudut gesek dalam. Analisis dilakukan dengan bantuan aplikasi software GeoStudio 2012. Hasil penelitian berdasarkan analisis 19 wilayah berpotensi longsor dengan range SF 0.530 – 0.997 menunjukkan parameter yang digunakan sudut geser 25º dan berat isi tanah 13.4 kN/m³.Kata kunci : Kemiringan lereng, Tanah longsor, GeoStudio, Sukabumi.
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Feng, Yi Fang, Hua Zhi Zhang, Yu Wang, and Qing Jun Zuo. "Reliability Analysis on Yuwangbian Slop Based on Monte-Carlo Simulation." Advanced Materials Research 250-253 (May 2011): 3934–40. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.3934.
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Based on the Yuwangbian high loess slope, which is located in Xi'an Yanta District, the basic principle of Monte-Carlo method is presented. By means of geotechnical engineering and geotechnical environment emulation software Geostudio-slope/w and based on Morgenstern-Price slope stability analysis method, the reliability and stability of the slope are analyzed under different kinds of working condition. The stability factor, reliability index and failure probability under the corresponding working conditions has been obtained. The results coincide with the actual condition, which makes the Geostudio software combine with the Monte-Carlo method and provides reference for the reliability analysis of loess slope.
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Aco Wahyudi Efendi. "PEMODELAN PENURUNAN TANAH DI IBU KOTA NEGARA NUSANTARA MENGGUNAKAN ANALISIS NUMERIK METODE ELEMEN HINGGA LISA V.8." PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 12, no. 1 (2023): 21–29. http://dx.doi.org/10.22225/pd.12.1.5643.21-29.
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Wilayah IKN didominasi oleh daerah perbukitan dan dataran yang luas, Melihat karakteristik tanah yang beragam dan elevasi tanah yang bervariasi, sering terjadi bencana seperti tanah longsor dan penurunan muka tanah. Penelitian ini melakukan validasi hasil LISA terhadap program analisis geoteknik yang sangat sering digunakan dan khusus untuk perangkat lunak geoteknik. Diharapkan hasil penelitian ini dapat memberikan sumbangsih bagi dunia geoteknik khususnya menjadi khazanah baru dengan menggunakan metode elemen hingga LISA V.8 FEA. Untuk sudut penurunan yang terjadi adalah 0.0623 meter, dimana pada analisis menggunakan software geoteknik Geostudio Sigma/W , penurunan yang terjadi pada titik yang sama pada tinjauan adalah 0.0633 meter, terdapat perbedaan yang tidak signifikan dengan rasio 1.016 dari hasil software geoteknik Geostudio Sigma/W dengan hasil LISA V.8 FEA.
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Saputra, Datra Peta, Lusmeilia Afriani, and Ahmad Zakaria. "Analysis Factor Safety of Slopes With Sandy Loam Soil Types on Conditions Not Saturated, Saturated Conditions and Partially Saturated Conditions Using Computing Program." Jurnal Rekayasa Sipil dan Desain 8, no. 1 (2021): 125–34. https://doi.org/10.23960/jrsdd.v8i1.1274.
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Natural disasters often occur in hilly areas in Lampung Province, namely landslides. Landslides that occur due to increased pore water pressure. The 2012 GeoStudio SLOPE / W program can analyze slope stability that can be modeled according to the original conditions in the field and can know the value of the safe slope factor. In this study, there were three cross section slopes with three groundwater conditions, namely the condition of the groundwater level at the base of the slope, half the height of the slope and following the maximum height of the cross section of the slope. Land property data needed include : cohesion, shear angle in soil and weight of soil contents. Slope stability is achieved when the retention force is greater than the driving force. The results of the analysis of slope stability show that the condition of the groundwater is very influential on slope stability, can be seen from the results of GeoStudio SLOPE / W 2012 analysis in simulation 1 and simulation 2 safe factor values obtained >1.25 that is slopes are in safe status, while in simulation 3 the saturated condition has a safe factor <1,25 that is unsafe slopes or landslides, it is recommended to take care to prevent landslides. Key words : soil, slope stability, safety factor, geostudio slope/w 2012
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Adhi, Djoko Susilo, Abdul Rochim, Nur Faridha, and Safiera Putri. "“STABILITAS LERENG PROYEK PEMBANGUNAN JALAN TOL SOLO – NGAWI – KERTOSONO PAKET 1 STA. 91+850”." Pondasi 24, no. 2 (2019): 90. http://dx.doi.org/10.30659/pondasi.v24i2.7643.
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ABSTRACTFor the regional goverment, the presence of the Solo – Kertosono toll road will be an alternative route free of obstacles abd reduce the travel time for vehicle users going to Solo from the direction of Kertosono and vice versa. So from that comfort and safety for users need to be considered in order to minimize the occurrence of traffic accidents.In this Final Project the methods used are he calculation of the soil carrying capacity of the Terzaqi method, manual security number with the Bishop method, security figures with the use of PLAXIS v8.2 and GEOSTUDIO 2018 applications. Where Mohr – Coulomb collapse adn plastic properties as a soil model. The purpose of this study is to evaluate and compare the calculation of soil analysis with exixting secondary data.Obtained soil carrying capacity of 578,374 kN/m2 and allowable carrying capacity of 444,903 kN/m2, safety factor (SF) of the three analyze resulted in a figure above 1,5 or a result above the safety rate in the long term. Keywords: Bishop, Geostudio, Plaxis, Soil Carrying Capacity. ABSTRAKBagi pemerintah daerah kehadiran jalan tol Solo – Kertosono akan menjadi jalur alternatif bebas hambatan dan mengurangi waktu tempuh bagi pengguna kendaraan yang akan menuju Solo dari arah Kertosono maupun sebaliknya. Maka dari itu kenyamanan dan keamanan bagi pengguna perlu diperhatikan demi meminimalisisr terjadinya kecelakaan lalu lintas.Metode yang digunakan adalah perhitungan daya dukung tanah metode Terzaqi, angka keamanan manual dengan metode Bishop, angka keamanan dengan penggunaan aplikasi PLAXIS v8.2 serta GEOSTUDIO 2018. Pada keruntuhan Mohr-Coulomb serta sifat plastis sebagai model tanah. Tujuan dari penelitian ini adalah untuk mengevaluasi dan membandingkan dari perhitungan analisis tanah dengan data sekunder yang sudah ada.Didapatkan hasil daya dukung tanah 578,374 kN/m2 dan daya dukung tanah yang diijinkan 444,903 kN/m2, angka keamanan (SF) dari ketiga analisis tersebut menghasilkan angka diatas 1,5 atau hasil diatas angka keamanan dalam jangka panjang.Kata Kunci: Bishop, Daya Dukung Tanah, Geostudio, Plaxis.
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Ms., Pallavi D. Bhandare, B. Saner Dr.Amol, and R. Joshi Swapnil. "SLOPE STABILITY OF EARTHEN DAMS BY USING GEOSTUDIO SOFTWARE." Journal of the Maharaja Sayajirao University of Baroda 58, no. 1 (I) (2024): 179–88. https://doi.org/10.5281/zenodo.14177569.
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Rumbyarso, Yonas Prima Arga. "Study of Land Subsidence in Bekasi Regency Due to Excessive Groundwater Exploitation Using Geostudio and Plaxis Applications." Qomaruna 2, no. 1 (2024): 42–56. https://doi.org/10.62048/qjms.v2i1.62.
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Cibatu, a sub-district in South Cikarang, Bekasi Regency, West Java, has a high population density and spans an area of approximately 1,200 hectares. This area faces increased groundwater usage for domestic and industrial purposes through deep wells, which has the potential to cause ongoing land subsidence. This study employed Plaxis and Geostudio software to model and predict the extent of land subsidence. Simulation results indicate that Plaxis predicts greater land subsidence than Geostudio, at 13.44 cm/year with pump usage and 3.91 cm/year without pumps. Conversely, Geostudio predicts subsidence of 12.01 cm/year with pump usage and only 0.022 cm/year without pumps. Pump usage has proven to have a significant impact, particularly at Building A of Pelita Bangsa University, where the risk of land subsidence increases by up to 293.09% with pumps. This study aims to identify groundwater levels, soil layers experiencing the greatest subsidence, the extent of subsidence due to water extraction, and the impact of pump usage on land subsidence in the Kaligawe area. The findings conclude that excessive pump usage significantly increases the rate of land subsidence. Policies supporting sustainable groundwater management are needed to address this issue, such as limiting deep well usage, increasing surface water utilization, and implementing water conservation technologies. Additionally, regular monitoring of groundwater levels and subsidence rates is necessary to prevent further impacts on infrastructure and the environment in South Cikarang.
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Sholtan, Devanya Anantasya, Raden Irvan Sophian, Adi Hardiyono, and Iskandar . "PERAN INTENSITAS HUJAN TERHADAP STABILITAS LERENG DI DAERAH JATISARI, KECAMATAN BOJONGPICUNG, KABUPATEN CIANJUR, PROVINSI JAWA BARAT." Bulletin of Scientific Contribution 22, no. 3 (2024): 283–94. https://doi.org/10.24198/bsc.v22i3.59017.
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Pada tanggal 25 April 2024 diketahui telah terjadi peristiwa gerakan tanah di daerah Jatisari, Kecamatan Bojongpicung, Kabupaten Cianjur, Provinsi Jawa Barat. Menurut keterangan warga sekitar, persitiwa tersebut terjadi setelah hujan dengan durasi yang cukup panjang. Studi ini bertujuan untuk melihat keterkaitan hujan dengan persitiwa gerakan tanah yang terjadi di daerah Jatisari. Metode yang dilakukan pada penelitian ini meliputi pengamatan lapangan, pembuatan geometri lereng, pengujian laboratorium, dan pemodelan. Pemodelan yang dilakukan berupa analisis rembesan air hujan dengan perangkat lunak Geostudio SEEP/W dan analisis kestabilan lereng dengan perangkat lunak Geostudio Slope/W. Dari analisis tersebut diketahui hujan yang terjadi selama 12 hari dengan intensitas 1.8 mm/jam atau hujan 6 hari dengan intensitas 60 mm/jam dapat menurunkan faktor keamanan (FK) hingga rentang nilai 0.684 – 0.763. Mekanisme berkurangnya kestabilan lereng ini terjadi akibat hilangnya matric suction. Hilangnya matric suction merupakan pengaruh dari infiltrasi air hujan ke dalam permukaan lereng.
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Saidillah, Muhammad, and Hanindya Kusuma Artati. "ANALISIS REMBESAN DAN STABILITAS BENDUNGAN SARADAN." JURNAL TEKNIK SIPIL CENDEKIA (JTSC) 3, no. 2 (2022): 1–15. http://dx.doi.org/10.51988/jtsc.v3i2.43.
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Bendungan Saradan merupakan salah satu bendungan yang terletak di Kecamatan Saradan, Kabupaten Madiun, Provinsi Jawa Timur. Bendungan Saradan dibangun antara tahun 1942 oleh Pemerintah Hindia Belanda, oleh karena itu untuk mengetahui keamanan bendungan perlu ditinjau rembesan dan kestabilan badan bendungan saat ini. Penelitian ini menggunakan metode Casagrande untuk menganalisis rembesan yang terdapat pada tubuh bendungan dan metode Bishop untuk menganalisis stabilitas tubuh bendungan dengan menambahkan faktor koefisien beban gempa OBE (Operating Basis Earthquake) dan MDE (Maximum Design Earthquake). Dalam penelitian ini digunakan Program GeoStudio 2012 untuk menganalisis rembesan dan stabilitas badan bendungan pada kondisi muka air banjir, muka air normal, muka air minimum, dan penarikan cepat. Hasil analisis menggunakan Geostudio 2012 menunjukkan bahwa faktor keamanan untuk kestabilan badan bendungan Saradan ada pada kondisi dengan muka air banjir tanpa gempa 6,005 > 1,5 (Aman), dengan angka gempa OBE 3,452 > 1,5 (Aman ), dengan angka gempa MDE 1.457 > 1 (Aman), kemudian pada kondisi muka air normal tanpa gempa 5.037 > 1,5 (Aman), dengan gempa OBE 3.124 > 1,2 (Aman), dengan angka gempa MDE 1.407 > 1 (Aman), maka di kondisi muka air minimum tanpa gempa 2.541 > 1,5 (Aman), dengan angka gempa OBE 2.031 > 1,2 (Aman), dengan angka gempa MDE 1.245 > 1 (Aman), kemudian pada kondisi drawdown tanpa gempa 1,899 > 1,3 (Aman), dengan gempa OBE 1,541 > 1,1 (Aman), dengan angka gempa MDE 0,973 > 1 (Aman). Analisis rembesan pada bendungan Saradan setelah dilakukan perhitungan manual dan hasil analisis program GeoStudio 2012 menunjukkan dalam setiap kondisi aman.
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Ismiradiana, Nabilah, Moch Sholeh, and Akhmad Suryadi. "ANALISIS STABILITAS LERENG METODE FELLENIUS PADA PROYEK JLS LOT 6 TRENGGALEK – TULUNGAGNG STA 0+300." Jurnal JOS-MRK 2, no. 4 (2021): 163–67. http://dx.doi.org/10.55404/jos-mrk.2021.02.04.163-167.
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Lereng di STA 0+300 proyek JLS Lot 6 termasuk lereng tidak stabil karena sering terjadi longsor. Perlu dilakukan analisis stabilitas lereng menggunakan metode fellenius untuk menentukan faktor keamanan dengan menghitung besar kekuatan geser yang menyebabkan kelongsoran. Data yang dibutukan adalah nilai kohesi (c), sudut geser dalam (φ), berat isi tanah (γ) serta koefisien gempa (kh). Lereng di redesign dengan variasi kemiringan dan ketinggian, untuk mencari lereng yang aman dan hemat biaya. Hasil yang digunakan yaitu kemiringan lereng 1:1 dengan nilai Geostudio Slope/W adalah FK (1,638) dan FKbgempa (1,137) sedangkan perhitungan manual nilai FK (1,630) dan FKbgempa (1, 181). Kemudian lereng ditanami rumput vetiver untuk memperkuat lereng, dengan parameter tanah diperoleh dari perbandingan data jurnal. Hasil perhitungan Geostudio Slope/W nilai FK (1,765) dan FKbgempa (1,231) sedangkan perhitungan manual nilai FK (1,800) dan FKbgempa (1,250). Hasil perhitungan RAB lereng yang sudah direncanakan ulang dan ditambah rumput vetiver yaitu Rp.48.050.638,-
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Subagio, Yukiko Vega, and Tri Wahyu Kuningsih. "ANALISIS STABILITAS LERENG DI DESA SUKAMULIH KECAMATAN SUKAJAYA KABUPATEN BOGOR." JURNAL KAJIAN TEKNIK SIPIL 4, no. 2 (2019): 128–35. http://dx.doi.org/10.52447/jkts.v4i2.1742.
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Keadaan lereng yang tidak stabil sangat berbahaya terhadap lingkungan disekitarnya. Analisis stabilitas lereng mempunyai peran sangat penting pada perencanaan konstruksi sipil, seperti pada jalan raya yang pembangunannya banyak dilakukan pada area lereng. Penelitian ini bertujuan untuk mengetahui nilai faktor keamanan stabilitas lereng, serta mengetahui tingkat potensi ancaman tanah longsor berdasarkan kemiringan lereng. Metode pada penelitian ini menggunakan metode Circular Slip Surface Bishop dan Non Circular Slip Surface Janbu. Analisis yang dilakukan menggunakan bantuan program aplikasi GeoStudio SLOPE/W dan perhitungan manual. Hasil penelitian berdasarkan analisis stabilitas lereng dengan program aplikasi GeoStudio SLOPE/W menggunakan metode Bishop diperoleh nilai faktor keamanan sebesar 0,468 dan metode Janbu 0,452. Analisis perhitungan manual dengan menggunakan metode Bishop diperoleh nilai faktor keamanan sebesar 0,342 dan metode Janbu 0,955. Wilayah Desa Sukamulih berdasarkan tingkat potensi gerakan tanah berada dalam kategori lereng labil. Hal ini menunjukkan bahwa wilayah Desa Sukamulih berpotensi mengalami gerakan tanah karena nilai klasifikasi faktor keamanannya <1,07.
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Tarakashima, Champernic, and Athaya Zhafirah. "Perkuatan Soil Nailing pada Lereng Singajaya Garut." Jurnal Konstruksi 21, no. 2 (2023): 217–23. http://dx.doi.org/10.33364/konstruksi/v.21-2.1397.
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Bencana alam longsor yang menimpa daerah lereng Cigunung Singajaya Garut menyebabkan terputusnya akses jalan menuju Kecamatan Cihurip. Penelitian ini bertujuan untuk mengetahui nilai keamanan lereng dan merencanakan perkuatan yang dapat menaikkan nilai keamanan lereng. Perkuatan lereng dengan soil nailing digunakan pada penelitian ini dengan variasi sudut kemiringan 10°, 15°, dan 20° serta variasi panjang nail bar dengan jumlah yang sama, yaitu 8 m, 10 m, dan 12 m. Metode soil nailing yang digunakan pada penelitian ini. Analisis stabilitas lereng metode Bishop dan GeoStudio Slope/W student version. Hasil analisis stabilitas lereng sebelum adanya perkuatan menghasilkan nilai faktor keamanan, dengan menggunakan metode Bishop didapatkan 0,273 dan analisis menggunakan GeoStudio Slope/W student version sebesar 0,201. Hasil analisis stabilitas lereng setelah dilakukan perkuatan dengan variasi sudut kemiringan dan panjang nail bar menghasilkan nilai faktor keamanan yang berbeda, yaitu 1,286 untuk sudut 10º; 2,195 untuk sudut 15º; dan 1,540 untuk sudut 20º. Hasil prediksi perencanaan anggaran biaya soil nailing dengan luas perencanaan sebesar 1321 m2 adalah Rp5.513.664.027,12.
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Putri, Fauziah Listiana, Yudhi Listiawan, and Hendarmawan Hendarmawan. "VOLUMETRIK REMBESAN DALAM PERENCANAAN PEMBANGUNAN TUBUH BENDUNGAN KOLAM RETENSI X (STUDI KASUS: DAS SANGGAI, IKN)." Bulletin of Scientific Contribution 22, no. 2 (2024): 173–82. https://doi.org/10.24198/bsc.v22i2.56008.
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Ibu Kota Negara Indonesia yang baru akan berada pada sejumlah Kecamatan di Kabupaten Penajam Paser Utara dan Kutai Kartanegara. Penelitian ini akan fokus pada perencanaan pembangunan bendungan di Kolam Retensi X yang ada di DAS Sanggai, IKN. Dalam perencanaan pembangunannya memerlukan analisis debit rembesan yang dapat terjadi ketika bendungan sudah dioperasikan. Debit rembesan yang berlebihan akan mempengaruhi stabilitas dari bendungan dan dapat menyebabkan gejala piping. Analisis akan dilakukan pada kondisi Muka Air Rendah, Muka Air Normal, dan Muka Air Banjir. Data yang diperlukan yaitu data teknis Kolam Retensi X, gambar potongan melintang bendungan, dan hasil uji laboratorium. Debit rembesan ini dianalisis menggunakan software Geostudio SEEP/W 2012 dan metode flow net. Berdasarkan hasil analisis menggunakan Geostudio SEEP/W 2012, debit rembesan pada tubuh bendungan Kolam Retensi X pada kondisi Muka Air Rendah sebesar 1.6 × 10−9 m3 /det, Muka Air Normal sebesar 2.75 × 10−9 m3 /det, dan Muka Air Banjir sebesar 4.41 × 10−9
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Nugroho, Ilham Pramono. "Analisa Stabilitas Lereng Bendungan Jragung Kabupaten Semarang Menggunakan Aplikasi Geostudio 2022.1." Jurnal Teknik Indonesia 5, no. 1 (2024): 12. http://dx.doi.org/10.61689/jti.v5i1.550.
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Dalam pembangunan bendungan urugan aspek keamanan menjadi hal yang mutlak. Stabilitas lereng dan rembesan perlu diperhatikan pada bendungan. Bendungan Jragung diproyeksikan memiliki kapasitas 90 juta m3 dengan tinggi 59,5 m dan tergolong dalam klasifikasi IV (extreme) atau jika terjadi kegagalan memiliki risiko bahaya yang tinggi. Maka dari itu, guna pencegahan dini terhadap risiko bahaya bendungan perlu dilakukan serangkaian analisa diantaranya stabilitas lereng dan rembesan. Analisa dilakukan dengan data berupa data geoteknik (parameter material timbunan), data hidrologi (ketinggian muka air), data detail engineering design (gambar potongan dan detail bendungan). Analisa memakai metode keseimbangan batas menggunakan program Slope/W perangkat lunak Geostudio 2022.1. Analisa stabilitas lereng dilakukan untuk mengetahui nilai safety factor (SF) dalam tiga kondisi dengan beban normal dan gempa, meliputi after construction, steady flow, dan rapid drawdown. Sedangkan analisa terhadap bahaya rembesan dilakukan dengan menghitung debit rembesan dan pengamatan garis freatik menggunakan program Seep/W perangkat lunak Geostudio 2022.1. Dari hasil analisa stabilitas lereng dengan beban normal dan gempa Operating Base Earthquake (OBE) nilai SF memenuhi syarat minimum. Sedangkan hasil analisa rembesan diperoleh debit rembesan tidak melebihi batas minimum dan garis freatik tidak keluar dari jalur drainase serta tidak memotong tubuh bendungan
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Amin, Muhammad Nasir, Muhammad Umair Ashfaq, Hassan Mujtaba, Saqib Ehsan, Kaffayatullah Khan, and Muhammad Iftikhar Faraz. "Computer-Aided Slope Stability Analysis of a Landslide—A Case Study of Jhika Gali Landslide in Pakistan." Sustainability 14, no. 20 (2022): 12954. http://dx.doi.org/10.3390/su142012954.
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The present research study has been undertaken to carry out slope stability evaluation of the Jhika Gali landslide in Pakistan using GeoStudio. For this purpose, the site geometry of the existing slope adjacent to the slided one was measured and samples were collected from the site. The in-situ moisture content was 14% and dry unit weight was 18.63 kN/m3. Unconfined compression tests and unconsolidated-undrained (UU) triaxial tests were performed on samples reconstituted at in-situ dry unit weight, standard Proctor and modified Proctor maximum dry unit weights. The test results show that the shear strength and deformation parameters, i.e., undrained shear strength, angle of internal friction and deformation modulus decreased from 200 kPa to 90 kPa, 23° to 12° and 51 MPa to 32 MPa, respectively, with an increase in the percentage of saturation from 35% to 95% at a specific dry unit weight. The slope was also modeled in GeoStudio for limit equilibrium analysis, and slope stability analysis was performed using the values of undrained shear strength and the angle of internal friction as determined in the laboratory at varying degrees of saturation. The limit equilibrium analysis showed that the factor of safety reduces from 1.854 to 0.866 as the saturation of material increases from 35% to 95%. The results also suggest that, as the percentage of saturation increases above 85%, the soil loses its shear strength significantly and gains in bulk unit weight, so at this stage the material starts sliding. Additionally, slope stability analysis was carried out by changing the slope geometry in three different ways, i.e., by reducing the height of the slope, adding a counterweight at the toe of the slope and by making benches on the slope. The results of GeoStudio analysis showed that the slope will be stable even above 85% degree of saturation.
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Zhang, Jun, Weili Li, and Shuaihua Ye. "Stability Analysis of Filled-Slope Reinforced by Frame with Prestressed Anchor-Plates under Static Action." Applied Sciences 13, no. 3 (2023): 1615. http://dx.doi.org/10.3390/app13031615.
Full textAbstract:
Because of the current situation where the stability research of filled-slope reinforced by a frame with prestressed anchor-plates lags behind the actual engineering application, based on the ultimate balance theory, the calculation formulas of stability factor under the four arc slip surface of filled-slopes reinforced by a frame with prestressed anchor-plates are derived by using the improved Bishop method; the corresponding search method of the most dangerous slip surface is given and the calculation formulas of the pullout force of anchor-plates are improved. Based on two examples, the stability results calculated by the proposed algorithm are compared with those calculated by PLAXIS 3D and GeoStudio 2012 finite element software, and the following conclusions are drawn. (1) The improved pullout force of anchor-plates takes into account the friction of the front and rear surface of the anchor-plate and the effect of cohesion of fill soil in the passive earth pressure on the front end of the anchor-plate, which makes the force of the anchor-plate more complete. (2) The stability factor of example 1 calculated by this method differs from the results simulated by PLAXIS 3D and GeoStudio 2012 by 4.6% and 7.1%, respectively; the stability factor of example 2 calculated by this method differs from the results simulated by PLAXIS3D and GeoStudio 2012 by 3.2% and 4.5%, respectively, which can meet the engineering requirements. (3) The stability analysis method of filled-slope reinforced by a frame with prestressed anchor-plates that is proposed is reasonable and suitable for any arc slip surface in the filled-slope reinforced by a frame with prestressed anchor-plates, and it provides some guiding values for the design of practical engineering.
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Dewi, Frida Ratna, and Any Nurhasanah. "Seepage Analysis on Dam Design Alternatives Using GeoStudio Software (Case Study of Way Sekampung Dam)." International Journal of Research and Review 9, no. 8 (2022): 661–69. http://dx.doi.org/10.52403/ijrr.20220853.
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The Way Sekampung Dam Project in Pringsewu Regency, Lampung Province is the location of this research. This dam uses an embankment-type dam, whose heap consists of several material zones that make up the body of the dam. With the availability of material from dam heaps in the field and the discourse of design modifications, it is necessary to carry out a large analysis of the seepage discharge against alternative dam designs. Large analysis of this seepage discharge using Geostudio 2012 software used the SEEP/W method of steady-state. Modeling used the input properties of each material that had been tested in the laboratory. The figure of the amount of seepage discharge (Q) was obtained from the phreatic line in the analysis. The output resulting from this analysis was the magnitude of the seepage discharge (Q) in the design dam body, alternative 1 (one) 0.0000001409 m³ / second and alternative 2 (two) 0.00000194 m³ / second which could be concluded that the seepage discharge that occurred in the dam body still met the conditions set. Keywords: Seepage, Dam Design, Geostudio.
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Atmoko, Fajar Destri, Lusmeilia Afriani, and Ahmad Zakaria. "Analisis Stabilitas Lereng Dengan Variasi Lapisan Tanah Berbeda Yang Di Pengaruhi Nilai Kohesi Tanah." Jurnal Rekayasa Sipil dan Desain 8, no. 4 (2021): 715–20. https://doi.org/10.23960/jrsdd.v8i4.1531.
Full textAbstract:
Natural disasters often occur in hilly areas in Lampung Province, namely landslides. Slides thatoccur due to increased soil pore water pressure. The GeoStudio SLOPE / W 2012 program cananalyze slope stability which can be modeled according to the original conditions in the field andcan determine the value of the slope safety factor. In this study, there are four cross sections ofslopes with four different layers with an angle of 30 ° each, and following a maximum height of 18meters.The results of the analysis of the GeoStudio Slope / W 2012 program using 4 methods of analysis,namely Ordinary, Bishop, Janbu and Morgenstern Price, obtained different safe factor values, theMorgenstern Price method and the Bishop method have a safe factor value that tends to be thesame and greater than the Ordinary method and the method. Janbu tends to have a smaller safetyfactor.The shape of the cross section of the slope in the 5 soil layers is the most safe factor, different soillayers, it can be seen that each layer of soil has different safety factors but does not differ muchfrom the others.
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HZ, Hanafiah. "ANALISA STABILITAS KELONGSORAN LERENG TERBATAS DENGAN PROGRAM BANTU SOFTWARE GEOSTUDIO 2007." Teras Jurnal 8, no. 1 (2018): 313. http://dx.doi.org/10.29103/tj.v8i1.142.
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<p>Penelitian ini membahas tentang analisa mekanisme gerakan longsor yang terjadi pada areal sekitar lokasi dusun Bidadari, desa Leubok Pusaka, kecamatan Langkahan, kabupaten Aceh Utara, Kondisi bentang alam yang cukup curam dan kondisi tanah yang kurang stabil, menjadikan tanah di areal lokasi merupakan tanah yang berpotensi longsor. Analisa stabilitas lereng difokuskan pada areal 3 lokasi pengamatan, lokasi titik 01 dan 02 mewakili kelongsoran B-B dan titik 03 dan 04 mewakili kelongsoran lokasi C-C dan titik 05 dan 06 mewakili daerah kelongsoran A-A. Berdasarkan hasil pengujian lapangan sondir (<em>CPT test</em>) dan geoslistrik (<em>geosismis</em>) diperoleh data tentang lapisan tanah berupa <em>silty clay, verystiff,</em> berupa lanau-kelempungan-kerikil, lanau-pasir dan lapisan bebatuan. Untuk mengetahui kemantapan lereng (<em>slope stability</em>) digunakan program bantu Geostudio 2007, metode <em>Morgenstern Price. </em>Hasil analisa menunjukkan bahwa nilai faktor keamanan lereng pada lokasi B-B sebesar 2.54&gt;1.5 (relatif aman), pada lokasi C-C sebesar 1.07&lt;1.5 dan pada lokasi A-A sebesar 1.15&lt;1.5. Kedua lokasi ini menunjukkan nilai factor stabilitas lereng kurang dari yang dipersyaratkan dengan kondisi lereng yang berpotensi terjadi longsor. Selain itu hasil analisa resiko bagi pemukiman dan kondisi bangunan serta kemantapan badan jalan masih berada dalam taraf beresiko menengah dan beresiko tinggi. Disarankan penanganan lereng yang berpotensi longsor dapat dilakukan dengan beberapa alternative, seperti memproteksi lereng dengan tembok penahan tanah (<em>retaining wall</em>), memasang turap (<em>sheet pile</em>), beronjong (<em>gabion</em>) dan memberi perkuatan lereng (<em>geotextile</em>). Dari beberapa metode proteksi tersebut, cara yang paling mudah dalam pelaksanaan adalah dengan memasang <em>sheet pile</em> dari baja galvanis hingga kedalaman20 meter melewati bidang gelincir telah dapat meningkatkan nilai faktor keamanan &gt; 1.5</p>
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Kottama, Gilang Wahyu, Agata Iwan Candra, Arif Rivianto, et al. "Optimasi Geometri Lereng dengan Evaluasi Nilai Faktor Keamanan Menggunakan Software Geostudio." Jurnal Manajemen Teknologi & Teknik Sipil 6, no. 2 (2023): 84–98. http://dx.doi.org/10.30737/jurmateks.v6i2.4864.
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The slopes of the Widas watershed in Kutorejo Village, Bagor District, Nganjuk Regency were hit by a landslide, damaging a 50-meter-long road. This damage has an impact on the activities and mobility of residents. The impact of landslides caused enormous losses, both infrastructure damage and loss of life. Several studies have been carried out, in determining slope stability it is necessary to observe at the research location and determine the type of soil, soil consistency, and soil shear strength parameters. This research aims to determine the value of the safety factor (FK) on the slopes of the Widas River. This research began by conducting a case study, including interviews, collecting field survey data, taking soil samples, and laboratory testing. Slope stability analysis was carried out using Geostudio software. The research results show that the soil type is classified as Poorly Graded Sand (SP), and the soil consistency is classified as Non-Plastic soil with a liquid limit of 26.093 and a shear angle of 20° - 30°. Slope improvements were carried out by changing the slope geometry until a slope ratio of 1V:2H was obtained by creating two slope core models. The FK value increased from 1.007 to 1.107 and 1.437 to 1.585 under pore water pressure conditions. Thus, the slope modeling obtained can be used to overcome landslide problems.
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Yuan, Wei Bin, Chuan Xin Dai, Ji Yao, and Lie De Wang. "Analysis of a Mountain Side Slope Stability Based on Seepage." Advanced Materials Research 482-484 (February 2012): 402–7. http://dx.doi.org/10.4028/www.scientific.net/amr.482-484.402.
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The soil physical mechanics parameters of a mountain side slope were gained upon field investigation and indoor rock mechanics tests. After that, Slide software and Geostudio software were adopted to make the mountain side slope seepage field analysis and side slope stability analysis based on seepage. At the end, the preliminary treatment scheme of the mountain side slope anchorage was proposed.
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Taha, Nazaruddin Abdul, Mohamad Shakri Mohmad Shariff, and Mohd Azizul Ladin. "Case Study on Analyses of Slope Riverbank Failure." Modelling and Simulation in Engineering 2022 (October 26, 2022): 1–9. http://dx.doi.org/10.1155/2022/1965224.
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A slope riverbank failure is a natural event that occurs globally on each riverbank, and a drawdown event usually causes slope riverbank failure. This case study is aimed at analysing slope riverbank failures by evaluating the seepage and slope stability of the riverbank under slow and rapid drawdown. The riverbank in this case study is located at KM 3.49, Jalan Pantai Luagan in the Sipitang district (N 4° 59 ′ 12.9 ″ E 115° 31 ′ 13.3 ″ ). A literature review was conducted to view the current study pattern and retrieve a methodology based on the current study pattern. GeoStudio is a commercial finite element software. The data obtained from the borehole log report and online resources were utilised to create the riverbank model in software. The phreatic line shows a slow change over time, indicating that the riverbank takes a long time to stabilise after the drawdown. The FOS value decreases during the drawdown occurrence and slowly increases after the drawdown has ended. In conclusion, the drawdown event can cause slope riverbank failure, and the seepage and stability analysis using GeoStudio can show the condition of the riverbank during the drawdown event.
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Jia, Zhaofeng, Yu Liu, Baogui Rong, and Pingyu Ling. "Effect of different replacement depth on slope stability of roadbed." MATEC Web of Conferences 358 (2022): 01044. http://dx.doi.org/10.1051/matecconf/202235801044.
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Combined with the engineering example of Sanyangchuan tunnel and lead project in Tianshui City, firstly, the cement improved soil and lime improved soil with better mechanical properties were selected by experiment. Secondly, based on Geostudio software, a numerical calculation model is established to analyze the influence of different replacement materials and different replacement depths on the stability of the roadbed slope for different replacement ranges.
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Figueroa Cardozo, Laura Alejandra, María Fernanda Porras Forero, and Néstor Iván Rojas Gamba. "Análisis de estabilidad del talud km 8 + 200 vía Soracá (Boyacá), usando diferentes métodos." Revista Agunkuyâa 11, no. 1 (2021): 42–58. http://dx.doi.org/10.33132/27114260.1985.
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El análisis de estabilidad de un talud facilita medidas correctivas para el diseño de cualquier proyecto de ingeniería, en donde se deben determinar los parámetros que influyen en la estabilidad de este, los cuales son muy diversos, como la geometría de sus discontinuidades y la capacidad portante que posee cada suelo. El presente artículo corresponde al análisis del comportamiento físico del talud vía Soracá- Boyacá, Boyacá 8 km + 200, en el cual se determina la estabilidad de este mediante un modelamiento en el software GeoStudio 2012 comparando métodos de cálculo de estabilidad de taludes, bajo condiciones estáticas y pseudoestáticas.
 Para la adquisición de datos del talud se realizó un análisis geológico por medio de la extracción de muestras y exploración visual de subsuelo donde se permitieron realizar los siguientes ensayos de laboratorio: corte directo, compresión inconfinada, penetración estándar y humedad, para determinar parámetros como ángulo de fricción, cohesión, nivel freático, etc.
 Con esta información, se realiza el análisis del talud por medio de tres modelos específicos del software GeoStudio: Bishop, Morgenstern-Price y Janbú (método de dovelas), como resultado, se aproxima el factor de seguridad (FS) mínimo requerido que se debe implementar en el sector para futuros diseños ofreciendo una estabilidad del terreno para futuras medidas de mitigación.
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Setiawan, Bambang, Galuh Crismaningwang, Yusep Muslih Purwana, and Raden Harya Danjanjaya Hesti Indra. "ANALISIS MODEL 2 DIMENSI SUMUR RESAPAN SKALA KECIL LABORATORIUM DENGAN SOFTWARE GEOSTUDIO." Jurnal Riset Rekayasa Sipil 7, no. 1 (2023): 70. http://dx.doi.org/10.20961/jrrs.v7i1.67770.
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Ma, Yu Fei, Jian Ping Chen, Wen Zhang, et al. "Stability Analysis and Treatment Design of Meng Dumei Landslide." Applied Mechanics and Materials 405-408 (September 2013): 554–57. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.554.
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The landslide is one of common geological disasters, and it brought about enormous damages to the society. Taking Meng Dumei landslide in Jilin Province for example, cutting slope and filling earth counter pressure were applied in the landslide treatment based on the stability analysis in GeoStudio. The results shows that the landslide is under stable state when the thickness of cutting slope is 28m. This method was shown to be effective and economic on the premise of safety.
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Yunus, Ahmad Anwar Mohd, Anuar Kasa, Zamri Chik, and Taha Mohd Raihan. "Stability Analyses of an Earth Dam Using Limit Equilibrium and Finite Element Methods." Key Engineering Materials 462-463 (January 2011): 319–24. http://dx.doi.org/10.4028/www.scientific.net/kem.462-463.319.
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The objective of this research is to study the relationships between the stability of earth dam and its soil strength parameters. The soil strength parameters include cohesion, unit weight of soil and angle of friction. GeoStudio, commercially available software, was used to obtain the overall factor of safety using limit equilibrium method (LEM) and finite element method (FEM). Tables to show the relationships among soil strength parameters for factor of safety 1.0 and 1.5 are presented in this paper.
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Husni Mubarak Kurnia Zain, Ahmad, Kresno Wikan Sadono, and Sri Prabandiyani Retno Wardani. "Pengaruh Pelaksanaan Pekerjaan Timbunan terhadap Stabilitas Bendungan Urugan Selama Masa Konstruksi." Jurnal Teknik Sipil dan Lingkungan 8, no. 03 (2023): 167–76. http://dx.doi.org/10.29244/jsil.8.03.167-176.
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Abstrak: Pembangunan bendungan harus sesuai dengan tiga pilar Konsepsi Keamanan Bendungan, yaitu keamanan struktur, pemantauan, pemeliharaan, dan operasi, serta kesiapsiagaan tindak darurat. Keamanan bendungan salah satunya dapat ditinjau dari kestabilan lereng pada tubuh bendungan. Penelitian ini dilakukan untuk mengidentifikasi kondisi geologi dan geologi teknik, spesifikasi material timbunan dan analisis faktor keamanan lereng tubuh bendungan. Faktor keamanan yang dianalisis adalah selama pelaksanaan konstruksi bertahap timbunan dan saat konstruksi timbunan telah selesai tanpa beban gempa. Metode analisis stabilitas lereng yang digunakan menggunakan pemodelan dengan perangkat lunak Geostudio. Analisis stabilitas menggunakan bidang gelincir yang stabilitasnya dievaluasi dan dibagi menjadi beberapa irisan dan tegangan normal yang bekerja pada dasar setiap lapisan timbunan. Pada penelitian ini dilakukan pemodelan skenario kenaikan timbunan. Skenario yang dimodelkan sebanyak 10 lapisan dengan tiap lapisan setinggi 7 (tujuh) meter. Initial static stress masing-masing lapisan timbunan didapatkan dari Parent analysis. Hasil analisis pemodelan stabilitas lereng menunjukkan nilai FK cenderung menurun seiring bertambahnya ketinggian lapisan pekerjaan timbunan. Pada pekerjaan timbunan kondisi disipasi tekanan air pori yang dihasilkan saat akhir konstruksi tanpa waktu tunggu disipasi lebih besar dibandingkan dengan adanya waktu tunggu disipasi 7 hari. Perbedaan ketinggian timbunan dan kemiringan tanah dasar dapat mempengaruhi nilai faktor keamanan terutama pada timbunan yang tinggi dan kemiringan tanah dasar yang curam.
 Kata kunci: pekerjaan timbunan, stabilitas lereng, faktor keamanan, bendungan urugan, Geostudio
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Nainggolan, Unicolas Satria Oktavianus, and Tika Ermita Wulandari. "Study Comparative Stability of Dam Body with Geomembrane Core Material using GeoStudio Application." Andalasian International Journal of Applied Science, Engineering and Technology 4, no. 1 (2024): 79–87. http://dx.doi.org/10.25077/aijaset.v4i1.105.
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The availability of embankment material and the quality of the material is one of the problems in planning a dam, especially impermeable material which must be watertight. With the GeoStudio application, the dam will be modeled to observe the stability of the dam, especially against landslides and seepage. Modeling I is modeled with core zone material using upstream borrow clay material and modeling II using downstream borrow clay material. Modeling III and IV used the same core material with the addition geomembrane material between the transition zone and the upstream filter. The geomembrane was added to observe and compare the effect of use on the stability. The weir body was analyzed under conditions when the weir body was completed, flood water level, normal water level, low water level and rapid drawndown water condition. Modeling III with upstream borrow clay material and geomembrane between the transition zone and upstream filter is the design with the best stability with the most critical avalanche safety factor of 2.459 downstream of the weir under flood water level conditions. The seepage discharge downstream of the weir is 0.0017 m³/dt/m and the maximum seepage discharge is 0.0026 m³/dt/m under flood water level conditions.
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Haryadi, Dimas, Mawardi Mawardi, and Makmun R. Razali. "ANALISIS LERENG TERASERING DALAM UPAYA PENANGGULANGAN LONGSOR METODE FELLENIUS DENGAN PROGRAM GEOSTUDIO SLOPE." Inersia, Jurnal Teknik Sipil 10, no. 2 (2019): 53–60. http://dx.doi.org/10.33369/ijts.10.2.53-60.
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The Musi Hydroelectric Power Plant area in Kepahiang Regency is a hilly area that has steep slopes that are prone to landslides. One of the landslides that occurred at October 2017 precisely occurred on a highway between Susup Village, Bengkulu Tengah Regency and Ujan Mas District, Kepahiang Regency. This study aims to analyze the slope stability of the terraces using the Fellenius Method. The results of testing the physical properties of the soil indicate that the soil on the slopes of the area of the Musi Hydroelectric Power Plant is clay. The slopes studied in the Musi hydropower area are all prone to landslides because safety factor, FK <1,5. Based on the results of the research on the slopes of the safest type 1 slope the value of the safety factor is the type of slope of the slope trap 3,19o,FK = 1,61 greater than the safety factor value of slope type 2 slope trap 19o, FK = 1,57 and safe slope type safety factor value slope of 19o, FK = 1.519 and the value of the safety factor of the original slope type of slope 30o, FK =0,88.
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Setiawan, Bambang, Galuh Chrismaningwang, and Dicky Adi Denaldi. "Analisis Percepatan Konsolidasi Tanah Lunak dengan Metode Preloading Menggunakan Software GeoStudio 2018 R2." Matriks Teknik Sipil 11, no. 3 (2024): 245. http://dx.doi.org/10.20961/mateksi.v11i3.67579.
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Warikar, Yance Y. D., Nur Arifaini, and Amril Ma'ruf Siregar. "Body Cliff Safety Study Of Double Track Railway With Geostudio Slope/W Analysis." Jurnal Rekayasa Sipil dan Desain 8, no. 1 (2021): 95–104. https://doi.org/10.23960/jrsdd.v8i1.1269.
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Double track railway construction area railroad crossing many hills and rivers makes the railroad body located between the slopes of the hill. Around the area, disasters that often occur are landslides caused by increased pore water pressure on the slope resulting a decrease in the shear strength of the soil (c) and the deep shear angle (φ). Therefore in planning the handling of cliffs of railroad tracks it is necessary to analyze the stability of slopes or cliffs so as not to endanger the surrounding environment, especially in railroad transportation. The purpose of the research are: (1) To know the cross section of the safest slope by considering the slope angle, (2) To Find the value of the safe factor for shear and rolling on the slope by using software analysis, (3) To know type of slope safety in accordance with slope conditions. The location of this research was conducted in the Martapura-Giham area which is the location of the construction of double track railroad, Waykanan Regency, Lampung. The method used in the analysis of slope stability is Geostudio Slope/W Analysis by making 3 cross-section slope designs which are then analyzed further. The results of the analysis found that the slope conditions before handling obtained the number of safe factors with ordinary, bishop, and morgenstern methods, respectively 0.730; 0.911; and 0.950. While after handling with sheetpile construction, it was obtained the number of safe factors with ordinary, bishop, and morgenstern methods in a row that is 2,945; 3,633; and No Solution. It can be concluded that the slope condition after handling shows increase in the value of the safe factor by 500%. Keywords: Geostudio Slope/W Analysis, Double track railroad, Cliffs and slope stability.
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Zhao, Bing Hua, and Shi Ping Zhang. "Research on the Permeability of Concrete under the High Water Pressure." Advanced Materials Research 838-841 (November 2013): 1797–800. http://dx.doi.org/10.4028/www.scientific.net/amr.838-841.1797.
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Seepage is important influence factors of degradation and instability to the water or under water concrete structure, it is also the difficult point in geotechnical engineering research.Through the concrete seepage experiment，combined with the Seep/W module of GeoStudio software，simulation of unsteady seepage of concrete，it was obtained that the seepage field under the action of a variable water head in 24 hr,And the results were compared with laboratory data，For further research on concrete permeability structure in practical engineering, foundation stability and durability.
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Minmahddun, Anafi, Muhammad Amril Akmal, and Umran Sarita. "Perencanaan Penanggulangan Lereng Kecamatan Asinua Jaya (Studi Kasus: Jl. Poros Asinua Jaya, Kabupaten Konawe Provinsi Sulawesi Tenggara)." MEDIA KONSTRUKSI 8, no. 1 (2023): 1. http://dx.doi.org/10.33772/jmk.v8i1.40068.
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Jalan Asinua yang berada di pegunungan mengalami longsor yang menyebabkan menurunnya kinerja jalan. Longsor yang terjadi dikhawatirkan akan semakin meluas jika tidak segera ditangani. Tujuan dari penelitian ini untuk menganalisis stabilitas lereng eksisting setelah terjadi longsor dan menentukan solusi penanggulangan lereng. Jenis perbaikan yang digunakan adalah struktur beronjong yang dianalisis menggunakan perangkat lunak GeoStudio 2012. Hasil analisis stabilitas lereng diperoleh angka aman kondisi lereng eksisting 1,021. Nilai angka aman lereng dengan perkuatan bronjong adalah sebesar 1,640. Nilai yang diperoleh lebih besar dibandingkan nilai angka yang dipersyaratkan.
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Komarudin, Muhammad Aziz. "Effect of Adding Surcharge Load Stress on the Acceleration of Soft Soil Consolidation." Sustainable Civil Building Management and Engineering Journal 1, no. 4 (2024): 8. http://dx.doi.org/10.47134/scbmej.v1i4.2905.
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One type of soil that needs to be considered is soft soil. Soft soil has characteristics of large compression, long consolidation time, and low bearing capacity. Soft soil can be overcome using soil improvement methods to accelerate consolidation by using Surcharge Load coupled with Prefabricated Vertical Drains (PVD). This research uses GeoStudio 2018 software to determine how the addition of surcharge load to the embankment will affect the consolidation of soft soil. Modelling in GeoStudio is done using the Sigma/W model with the type of material model in the original soil using the Soft Clay model. The results of the analysis will be presented with a graph showing the relationship between the amount of settlement (m) and the settlement time (days). The results of the analysis were varied based on three surcharge load height models, namely 1.25 m, 2.50 m, and 3.50 m. The settlement is taken when the degree of consolidation has reached 90% (U90%). The time required to know the degree of consolidation has reached 90% is taken from the relationship graph of pore water pressure (PWP) with time. When the pore water pressure has dropped and has not changed, it is assumed that the degree of consolidation has reached 100%, therefore the days needed to reach 90% consolidation degree can be known. From the results of the analysis using Soft Clay material, a decrease of 0.71 m, 0.79 m, 0.86 m was obtained with the time to reach U90% for 88 days.
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Ambassa, Zoa, Jean Chills Amba, Merlin Bodol Momha, Landry Djopkop Kouanang, Robert Nzengwa, and Pascal Adrien Mbongo. "Advanced monitoring and numerical modelling of the stability, safety and reliability indicators of the earthen dam of Songloulou (Cameroon)." PLOS ONE 18, no. 10 (2023): e0292804. http://dx.doi.org/10.1371/journal.pone.0292804.
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For the determination of global stability after long term advanced monitoring, artificial intelligence have been used for the data analysis of water level and displacements of Songloulou earth dam at Cameroon. Measurements of safety and reliability indicators follow changes set by piezometric and pendulums measurements. The results obtained from the artificial intelligence on the base of many years recording data have confirmed the relevance and robustness of this model. The ANFIS model combining the concept of neural network and fuzzy logic was used to simulate the behaviour of piezometers and pendulums in the dam. This model has provided satisfactory results, given in the large amount of data to be processed. The water level evolution is modelled using the ANFIS function integrated in the MATLAB software and the result is compared to that obtained by the HST method. Afterwards, the state of stress on the structure and stability of the slope at shear have been assessed based on the hydro mechanical behaviour using the GEOSTUDIO Finite Element computation software. The input parameters are: the head of water recorded in the piezometers and geotechnical parameters of the dam. The modelling results in terms of displacement are accurately consistent with the displacement measurements. The horizontal displacement of pendulums obtained by GEOSTUDIO is 80 mm and those measured directly of the pendulums have 70 mm of average value. The safety factor for slope stability according to 530 m water level is 1.5.
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Simanjuntak, Devito Wirasto, Ferra Fahraini, and Anisa Indriawati. "Analisis Kestabilan Lereng Tunggal Menggunakan Metode Fellenius dan Slide v.6.0 serta Lereng Keseluruhan dengan GeoStudio 2012 pada Pit I Banko Barat PT Bukit Asam (Persero) Tbk Tanjung Enim – Sumatera Selatan." MINERAL 3, no. 1 (2020): 50–57. http://dx.doi.org/10.33019/mineral.v3i1.1576.
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Slopes are a topography that is often found in opened pit mine that had been made by humans with the purpose of exploiting minerals that exist. Landslides can occur on any slopes that is formed due to the increase of shear stress, shear strength declining in the field of landslides or both simultaneously. Slope stability analysis performed to obtain the value of the safety factor of the field of potential landslides. The study conducted at a coal mine Pit 1 Banko Barat PT Bukit Asam (Persero) Tbk by comparing the value of a single slope safety factor Fellenius with manual method to Slide v.6.0 software and the overall slope safety factor with software GeoStudio 2012 From the analysis performed on a single slope 1 to 9, safety factor values obtained below 1.25 for single slopes 1 and single slope 2 to 9 above 1.25. Of the value of the safety factor is obtained, a single slope 1 in critical condition and the single slopes 2 to 9 in stable condition. While the overall slope stability analysis using GeoStudio 2012 program obtained average value of the safety factor - average is 4.57 so the slope can be declared in a stable condition. Then there are effforts to increase the safety factor (FK) of single slopes by changing a single slope geometry previously at an angle of 55 ° to 47 ° in order to obtain the condition of the slopes in a stable condition.
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Fei, Peiyan, Qinglin Yi, Maolin Deng, Biao Wang, Yuhang Song, and Longchuan Liu. "Study on the Deformation Mechanism of Shallow Soil Landslides Under the Coupled Effects of Crack Development, Road Loading, and Rainfall." Water 17, no. 8 (2025): 1196. https://doi.org/10.3390/w17081196.
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This study investigated the deformation characteristics and mechanisms of the Baiyansizu landslide under the coupled effects of crack development, rainfall infiltration, and road loading. Numerical simulations were performed using GeoStudio software (Version 2018; Seequent, 2018) to analyze geological factors and external disturbances affecting landslide deformation and seepage dynamics. Four additional landslides (Tanjiawan, Bazimen, Tudiling, and Chengnan) were selected as comparative cases to investigate differences in deformation characteristics and mechanisms across these cases. The results demonstrate that rear-edge deformation of the Baiyansizu landslide was predominantly governed by rainfall patterns, with effective rainfall exhibiting a dual regulatory mechanism: long-term rainfall reduced shear strength through sustained infiltration-induced progressive creep, whereas short-term rainstorms generated step-like deformation via transient pore water pressure amplification. GeoStudio simulations further revealed multi-physics coupling mechanisms and nonlinear stability evolution controls. These findings highlight that rear-edge fissures substantially amplify rainfall infiltration efficiency, thereby establishing these features as the predominant deformation determinant. Road loading was observed to accelerate shallow landslide deformation, with stability coefficient threshold values triggering accelerated creep phases when thresholds were exceeded. Through comparative analysis of five typical landslide cases, it was demonstrated that interactions between geological factors and external disturbances resulted in distinct deformation characteristics and mechanisms. Variations in landslide thickness, crack evolution, road loading magnitudes, and rainfall infiltration characteristics were identified as critical factors influencing deformation patterns. This research provides significant empirical insights and theoretical frameworks for landslide monitoring and early warning system development.
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Kang, K., O. V. Zerkal, J. Liu, S. Huang, and D. Tao. "Comparison of Russian, Chinese and European seismic design on pseudo-static seismic coefficient in slope analysis." Journal of Civil Engineering and Construction 7, no. 2 (2018): 57. http://dx.doi.org/10.32732/jcec.2018.7.2.57.
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Most design codes and specifications recommend a simple pseudo-static approach for the analysis of slope stability under seismic conditions. The codes in different countries appoint different pseudo-static seismic coefficient. The present work list different seismic coefficients in Russian, Chinese and European codes. A sensitivity analysis of a case slope was carried out using GeoStudio, then determined that the stability of the slope is more sensitive to material cohesion and seismic coefficient than material density and friction angle. It’s shown that the chosen of the seismic coefficient has a big effect on slope stability.
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Amalia, Dewi, Ratu Salma Nisrina, Yackob Astor, et al. "Pengaruh Cracked Soil terhadap Stabilitas Lereng Desa Bojongkondang–Kabupaten Sumedang dengan Menggunakan Software Geostudio." Teras Jurnal : Jurnal Teknik Sipil 14, no. 1 (2024): 83. http://dx.doi.org/10.29103/tj.v14i1.1023.
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Andaru Rahman Putra, Runi Asmaranto, and Heri Suprijanto. "Analisis Stabilitas Perkuatan Lereng Sungai Jatiroto Bagian Hulu Kabupaten Lumajang dengan Menggunakan Software Geostudio." Jurnal Teknologi dan Rekayasa Sumber Daya Air 3, no. 1 (2024): 169–80. http://dx.doi.org/10.21776/ub.jtresda.2023.003.01.016.
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Peningkatan curah hujan dan debit air di area sungai Jatiroto, Kabupaten Lumajang berpotensi menyebabkan banjir dan tanggul runtuh. Penelitian yang dilakukan bertujuan untuk merencanakan tanggul parapet guna mengurangi dampak banjir dan kerusakan tanggul. Studi analisis debit banjir rancangan dilakukan dengan menggunakan metode HSS Nakayasu. Analisis hidraulis dilakukan dengan menggunakan program HEC-RAS 5.0.7 agar mengetahui kondisi existing dan menentukan lokasi tanggul parapet. Perencanaan tanggul menggunakan Q25 tahun sebagai dasar yaitu sebesar 461,49 m3/detik. Perhitungan stabilitas dilakukan dengan menggunakan bantuan program Geostudio 2018. Hasil perencanaan didapatkan untuk tanggul A tinggi 2 m, lebar 1,4 m, kedalaman pondasi 0,25 m. Sementara di tanggul B tinggi 4 m, lebar 2,8 m, kedalaman pondasi 0,5 m. Perencanaan tanggul C tinggi 4 m, lebar 2,8 m, kedalaman pondasi 0,5 m. Dengan hasil aman terhadap segala kondisi.
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Setiawan, Bambang, Galuh Chrismaningwang, and Fauzan Rifa'i. "ANALISIS DEBIT REMBESAN PADA SUMUR RESAPAN DENGAN VARIASI DIAMETER MENGGUNAKAN SOFTWARE GEOSTUDIO SEEP/W." Matriks Teknik Sipil 11, no. 4 (2024): 362. http://dx.doi.org/10.20961/mateksi.v11i4.68830.
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Putra, Andaru Rahman, Runi Asmaranto, and Heri Suprijanto. "Analisis Stabilitas Perkuatan Lereng Sungai Jatiroto Bagian Hulu Kabupaten Lumajang dengan Menggunakan Software Geostudio." Jurnal Teknologi dan Rekayasa Sumber Daya Air 3, no. 1 (2023): 1–180. http://dx.doi.org/10.21776/ub.jtresda.2022.003.01.16.
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Peningkatan curah hujan dan debit air di area sungai Jatiroto, Kabupaten Lumajang berpotensi menyebabkan banjir dan tanggul runtuh. Penelitian yang dilakukan bertujuan untuk merencanakan tanggul parapet guna mengurangi dampak banjir dan kerusakan tanggul. Studi analisis debit banjir rancangan dilakukan dengan menggunakan metode HSS Nakayasu. Analisis hidraulis dilakukan dengan menggunakan program HEC-RAS 5.0.7 agar mengetahui kondisi existing dan menentukan lokasi tanggul parapet. Perencanaan tanggul menggunakan Q25 tahun sebagai dasar yaitu sebesar 461,49 m3/detik. Perhitungan stabilitas dilakukan dengan menggunakan bantuan program Geostudio 2018. Hasil perencanaan didapatkan untuk tanggul A tinggi 2 m, lebar 1,4 m, kedalaman pondasi 0,25 m. Sementara di tanggul B tinggi 4 m, lebar 2,8 m, kedalaman pondasi 0,5 m. Perencanaan tanggul C tinggi 4 m, lebar 2,8 m, kedalaman pondasi 0,5 m. Dengan hasil aman terhadap segala kondisi.