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Journal articles on the topic 'AASHTO soil classifications'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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1

Soltani, Amin, and Brendan C. O’Kelly. "Reappraisal of the ASTM/AASHTO Standard Rolling Device Method for Plastic Limit Determination of Fine-Grained Soils." Geosciences 11, no. 6 (2021): 247. http://dx.doi.org/10.3390/geosciences11060247.

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Given its apparent limitations, various attempts have been made to develop alternative testing approaches to the standardized rolling-thread plastic limit (PLRT) method (for fine-grained soils), targeting higher degrees of repeatability and reproducibility. Among these, device-rolling techniques, including the method described in ASTM D4318/AASHTO T90 standards, based on original work by Bobrowski and Griekspoor (BG) and which follows the same basic principles as the standard thread-rolling (by hand) test, have been highly underrated by some researchers. To better understand the true potential

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2

Ji, Richard, Nayyarzia Siddiki, Tommy Nantung, and Daehyeon Kim. "Evaluation of Resilient Modulus of Subgrade and Base Materials in Indiana and Its Implementation in MEPDG." Scientific World Journal 2014 (2014): 1–14. http://dx.doi.org/10.1155/2014/372838.

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In order to implement MEPDG hierarchical inputs for unbound and subgrade soil, a database containing subgradeMR, index properties, standard proctor, and laboratoryMRfor 140 undisturbed roadbed soil samples from six different districts in Indiana was created. TheMRdata were categorized in accordance with the AASHTO soil classifications and divided into several groups. Based on each group, this study develops statistical analysis and evaluation datasets to validate these models. Stress-based regression models were evaluated using a statistical tool (analysis of variance (ANOVA)) andZ-test, and p

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3

Hryciw, Roman D., and Yongsub Jung. "Three-Point Imaging Test for AASHTO Soil Classification." Transportation Research Record: Journal of the Transportation Research Board 2101, no. 1 (2009): 27–33. http://dx.doi.org/10.3141/2101-04.

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4

Hidayat, Muhammad Nurjati. "Studi Material Tanah Longsor Akibat Gempa Lombok 2018." TERAS JURNAL 10, no. 2 (2020): 235. http://dx.doi.org/10.29103/tj.v10i2.330.

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<p align="center"><strong>Abstrak</strong></p><p> </p><p class="11daftarpustaka">Pada umumnya, tanah longsor terjadi dengan skala yang kecil dan dampak yang dihasilkan tidak parah sebagaimana letusan gunung berapi, gempa atau tsunami. Namun, perhatian terhadap bencana ini seringkali diabaikan oleh masyarakat dan perencanaan pembangunan kota. Ada beberapa faktor yang perlu diperhatikan dalam meneliti tanah longor, salah satunya adalah mineral tanah. Dalam studi ini, sampel tanah diambil dari Lombok Utara akibat dari gempa Lombok 2018. Penelitian ini dil

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Brohi, Imad Ali, Muzafar Ali Kalwar, Muhammad Hassan Agheem, Shafique Ahmad Junejo, and Ali Ghulam Sahito. "Study of Geotechnical Assessments for The Foundation and Construction of Civil Work at Tharparkar District, Sindh, Pakistan." International Journal of Economic and Environmental Geology 11, no. 4 (2021): 18–21. http://dx.doi.org/10.46660/ijeeg.vol11.iss4.2020.510.

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This study evaluates engineering properties of soils for the foundation in Tharparkar district. Three boreholes were investigated in the study area at the depths of 8m, 9m and 9m respectively. The area is mainly divided into three zones, i.e. BH-01, BH-02 and BH-03. Groundwater was not encountered in any borehole. The soil profile of all three boreholes are low dense to medium dense at 2.0m to 6.0m and the 7.0m to 9.0m depths respectively. Overburden depth was very dense (N-values ranges from 8 to 17 and 33 to more than 50 numbers). Laboratory results reveal that moisture content goes 4.8 to 6

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Landa-Ruiz, Laura, Sabino Márquez-Montero, Griselda Santiago-Hurtado, Victor Moreno-Landeros, José Manuel Mendoza-Rangel, and Miguel Angel Baltazar-Zamora. "Effect of the Addition of Sugar Cane Bagasse Ash on the Compaction Properties of a Granular Material Type Hydraulic Base." European Journal of Engineering and Technology Research 6, no. 1 (2021): 76–79. http://dx.doi.org/10.24018/ejers.2021.6.1.2335.

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In the present investigation 8 soil samples were studied, with additions of 5 and 7% of addition of sugar Cane Bagasse Ash (SCBA), Portland Cement (PC) and combinations of these in different proportions. The characterization and classification of the study soil was carried out, determining the Natural Humidity, Granulometric Curve, Consistency Limits, soil classification according to the Unified Soil Classification System (USCS) and AASHTO compaction. The results show that the use of the SCBA is viable to significantly improve the physical properties of the granular soil type Hydraulic Base, T

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7

P.O., Youdeowei,, Nwankwoala, H.O., and Ayibanimiworio, G.T. "SOIL STABILIZATION AND IMPROVEMENT OF MARINE CLAYS USING CEMENT AND LIME IN A MARSHLAND." Engineering Heritage Journal 4, no. 1 (2020): 08–14. http://dx.doi.org/10.26480/gwk.01.2020.08.14.

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This study assesses the stabilization of marine clay soil using cement and lime to improve on the subgrade material. The tests conducted include: the natural moisture content, specific gravity, sieve analysis, Atterberg limit, compaction and California Bearing Ratio (CBR). The types of stabilization used were mechanical and chemical. The results obtained were classified using AASHTO classification system and based on the results the soil corresponds to group A-6 soils. The highest CBR values of 33.24% and 424.35% were obtained at 20% cement content for unsoaked and soaked and for lime the high

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AKINWUMI, Isaac I., and Colin A. BOOTH. "EXPERIMENTAL INSIGHTS OF USING WASTE MARBLE FINES TO MODIFY THE GEOTECHNICAL PROPERTIES OF A LATERITIC SOIL." JOURNAL OF ENVIRONMENTAL ENGINEERING AND LANDSCAPE MANAGEMENT 23, no. 2 (2015): 121–28. http://dx.doi.org/10.3846/16486897.2014.1002843.

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Marble spoil waste is an environmental nuisance. The effects of adding waste marble fines (WMF) on the plasticity, strength and permeability of a lateritic clay have been investigated for its potential use as a soil modifier or stabilizer of road pavement layer materials or earth-building materials. The chemical compositions of the WMF and soil were determined using X-ray fluorescence and atomic absorption spectrometry, respectively. The specific gravity, Atterberg limits, compaction, strength and permeability characteristics of the soil were determined for varying proportions of the soil-WMF

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9

Guerrero, Cristian Camilo, and Lucio Gerardo Cruz Velasco. "Experimental study of Colombian volcanic ash soil classification in the Colombian southwest with SUCS, AASHTO method and a new classification method." Ingeniería y Desarrollo 36, no. 2 (2018): 378–97. http://dx.doi.org/10.14482/inde.36.2.10377.

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10

Karira, Hemu, Aneel Kumar, Anees Raja, and Ali Murtaza. "Correlation between Chemical and Index Properties of Soils of Hyderabad Region." Civil Engineering Journal 4, no. 12 (2018): 2821. http://dx.doi.org/10.28991/cej-03091201.

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Each soil has unique nature of the characteristics and its properties are beyond the control of the designer. Since the soil parameters varies from site to site or location to location, thus selecting the reliable properties of soil is always a challenge for the Geotechnical Engineers. One of the option is intense soil investigations. However, there are various soil properties whose determination is time consuming and expansive. Geotechnical Engineer usually tries to develop mathematical equations specific to a particular soil type. However, a mathematical formula that is more reliable for the

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11

Meti, Tri Harianto, Abdul Rachman Djamaluddin, and Achmad Bakri Muhiddin. "A Experimental Study of Laboratory Compaction and Sand Cone on Foundation Tub Soil." Science Proceedings Series 3, no. 1 (2021): 61–67. http://dx.doi.org/10.31580/sps.v3i1.1953.

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Soil is a very important material so that it must be able to support the loads above it, so the soil must have a sufficiently good soil bearing capacity. In this study, the soil compaction was compared with the laboratory compaction method with the sandcone method. The objectives of the study were knowing the characteristics of the soil and knowing the laboratory compaction compares with the sandcone compaction in the foundation tub. Soil is drawn from the same point for the Proctor Test and Sand cone Test. The results of this test are used in the foundation model test. Characteristics testing

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12

Maharaj, Russell J. "Use of AASHTO classification to evaluate soils for road construction in Jamaica, West Indies." Quarterly Journal of Engineering Geology and Hydrogeology 26, no. 1 (1993): 61–67. http://dx.doi.org/10.1144/gsl.qjeg.1993.026.01.05.

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13

Rind, Touqeer Ali, Hemu Karira, Shahzad Ali Mirani, and Ali Khan Mari. "Influence of Ground Granulated Blast Furnace Slag on the Index, Compaction Parameters and Mechanical Strength of Khairpur Mir’s Natural Soil." Journal of Applied Engineering Sciences 10, no. 1 (2020): 83–88. http://dx.doi.org/10.2478/jaes-2020-0013.

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AbstractIn developing countries like Pakistan, Due to rapid growth and population, an increase in the production of industrial waste is rising significantly day by day. Stabilization of soil using those industrial wastes not only gives proper usage of waste materials but also increases the cost-benefit ratio as a whole. In this research work, an attempt was made to use Ground granulated blast furnace slag (GGBFS) in the stabilization of District Khairpur Mirs’ soil. Generally, while dealing with building construction industry such as foundations for buildings, highways such as subgrades as a f

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Dwi Ratnaningsih, Zuhrufah Diana Azza, Gerard Aponno,. "PERBANDINGAN PENGGUNAAN SEMEN DAN GARAM UNTUK STABILISASI TANAH DASAR." PROKONS Jurusan Teknik Sipil 12, no. 2 (2019): 93. http://dx.doi.org/10.33795/prokons.v12i2.160.

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Soil is the key of the road foundations. Soil of high CBR value will have good bearing capacity for road construction. Conversely, soil stabilization must be carried out to the subgrade that has bad bearing capacity. The goals of this analysis are to find out the soil characteristict of before stabilization, CBR values of before and after stabilization, the optimum cement use and salt (NaCl) use as stabilizers.The results of soil poperties test in Silt High Plasticity (MH) based on Unified Soil Classification System (USCS) and A-7-5 based on American Association of State Highway and Transporta

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15

Jurnal, Redaksi Tim. "STUDI SIFAT MEKANIS TANAH MERAH DENGAN PENGUJIAN TRIAKSIAL." Forum Mekanika 7, no. 1 (2018): 29–34. http://dx.doi.org/10.33322/forummekanika.v7i1.91.

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Characteristics soft soil can cause instability and long-term degradation problems. This is because the soil has a low shear strength value and high compressibility. One type of soil belonging to the soft soil type is soft clay soil. Red soil belongs to the soft clay soil type. Therefore, the purpose of this research to determines the parameters of the shear strength of red soil in the area of Pakjo City Palembang, South Sumatra Province. The equipment had been used to obtain parameters of mechanical properties of red soil was using Triaxial apparatus. The results of the red soil properties in

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16

Edeh, Joseph E., Manasseh Joel, and James Mzuaor Aburabul. "Groundnut Shell Ash Stabilized Reclaimed Asphalt Pavement, as Pavement Material." Advanced Materials Research 824 (September 2013): 3–11. http://dx.doi.org/10.4028/www.scientific.net/amr.824.3.

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Large volume of reclaimed asphalt pavements (RAP) aggregates are generated during pavement rehabilitation and reconstruction and disposed along road alignment while large quantities of groundnut shell ash (GSA) are generated from the combustion of groundnut shell and also disposed in large quantities on production sites. This paper presents results of the laboratory evaluation of the characteristics of GSA stabilized RAP with a view to determining its suitability for use as highway pavement material in flexible pavements construction. The RAP-GSA mixtures were subjected to British standard lig

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17

Yasun, Azhar Sadiq, and Sultan A. Daud. "Using some of Microsoft Office Excel Functions to Compute Soil Engineering Parameters Based on Raw Results of Laboratory Tests." Key Engineering Materials 857 (August 2020): 273–82. http://dx.doi.org/10.4028/www.scientific.net/kem.857.273.

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The main aim of this research can be represented as a trail to computerize the most soil engineering properties to compute them automatically using many simple Microsoft Excel functions based on raw soil test experimental data. This work will be shortening the time and effort of the geotechnical engineers calculating different soil parameters with acceptable accurate values. Nine different Microsoft Excel formulas, some of the techniques by certain Excel expressions and normal designed algebraic equations were used to present the final spreadsheet. The main computed soil parameters were (ω, LL

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Edeh, Joseph E., Adrian O. Eberemu, and James Mzuaor Aburabul. "Effect of Compactive Efforts on the Strength Properties of Groundnut Shell Ash Stabilized Reclaimed Asphalt Pavement." Advanced Materials Research 824 (September 2013): 12–20. http://dx.doi.org/10.4028/www.scientific.net/amr.824.12.

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Large quantities of groundnut shell ash (GSA) are generated from the combustion of groundnut shell, disposed in large quantities on production sites while large volume of reclaimed asphalt pavements (RAP) aggregates are also generated during pavement rehabilitation and reconstruction and disposed along road alignments. This paper presents results of the laboratory evaluation of the effect of compactive efforts on the strength properties of GSA stabilized RAP with a view to determining its suitability as highway pavement material in pavement constructions. The RAP-GSA mixtures were subjected to

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19

Oluwaniyi, Olaoluwa, Imoleayo Fatoyinbo, Akinola Bello, and Joshua Owoseni. "Assessment of Gneiss-Derived Residual Soils as Materials Used in Road Pavement Structures." Sustainable Geoscience and Geotourism 3 (May 2020): 12–25. http://dx.doi.org/10.18052/www.scipress.com/sgg.3.12.

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Failure of highway pavement and collapse of building in basement complex of Nigeria is often related to the instability of the residual. This study evaluated the strength characteristics of gneiss-derived residual Soils as materials usable for road pavement structures. A total of eleven soil samples derived from granite gneiss were subjected to laboratory geotechnical analyses based on standard practices. The geotechnical analyses reveal the soils’ natural moisture content, specific gravity, grain sizes, consistency limits, shearing strengths, maximum dry density, and optimum moisture content.

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20

Hapsari, Arlita Mey, Dian Sisinggih, Andre Primantyo Hendrawan, and Sri Wahyuni. "Identification of Physical and Mineralogical Properties of Riverbank Material at Sand Mining Landslide Sites of Kali Putih River, Blitar." UKaRsT 5, no. 1 (2021): 33. http://dx.doi.org/10.30737/ukarst.v5i1.1093.

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Kali Putih River is a river that is often affected by the eruption of Mount Kelud. The resulting large deposits of volcanic sand materials cause exploitation through uncontrolled sand mines. This will have an impact on potential hazards caused by environmental damage; for example, there have been several cases of riverbank landslides. Based on previous studies, it is important to study the identification of physical characteristics and mineralogy of riverbank materials through laboratory testing. The Gs value was found to be within 2.650-2.697, which can be classified as gravel or sand. Accord

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21

Khan, Bazid, Abdus Siraj, and Riaz A. Khattak. "Pavement Subgrade Improvement by Lime." Advanced Materials Research 587 (November 2012): 93–96. http://dx.doi.org/10.4028/www.scientific.net/amr.587.93.

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The subgrade soil of western by Pass Road Mardan, Pakistan consists of silty clay belonging to A-6(14) group of the AASHTO soil classification system. The average natural moisture content of the soil is more than 18% which makes it susceptible to water logging and problematic for pavement construction. The aim of this research is to improve the supporting power of the existing subgrade material to carry the proposed traffic safely. For this purpose, lime was incorporated into the soil. Soil samples were prepared containing 0, 4, 6, 8, 10 and 12% lime by weight of the soil. Laboratory tests wer

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Arshid, Muhammad Usman, and M. A. Kamal. "Regional Geotechnical Mapping Employing Kriging on Electronic Geodatabase." Applied Sciences 10, no. 21 (2020): 7625. http://dx.doi.org/10.3390/app10217625.

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A regional geotechnical map was developed by employing kriging using spatial and s geostatistical analysis tools. Many studies have been carried out in the field of topography, digital elevation modeling, agriculture, geological, crop, and precipitation mapping. However, no significant contribution to the development of geotechnical mapping has been made. For the appraisal of a geotechnical map, extensive field explorations were carried out throughout the geotechnically diversified plateau spread over an area of approximately 23,000 km2. In total, 450 soil samples were collected from 75 data s

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Debataraja, Semangat Marudut Tua, and Jubel Pardede. "STUDI PENYEBAB TERJADINYA LONGSOR PADA JALAN PROVINSI LINTAS SIPAHUTAR-PANGARIBUAN DESA SIABAL-ABAL II." Jurnal Darma Agung 28, no. 1 (2020): 31. http://dx.doi.org/10.46930/ojsuda.v28i1.457.

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The problem of the level of influence of soil carrying capacity is one of the things needed to be considered in a planning and work of a civil construction. This is because the soil serves as a medium that withstands the load or action of the construction built on it. Stabilization using sand materials is one way to meet the necessary power requirements. Weather and temperature changes in the field are factors making the ground unstable. Type of stabilized soil is silt originating from jl.Pancasila Batangkuis Regency Deliserdang. This research was conducted using mixed sand with mixed variatio

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Wibowo, Dian Eksana, Satriarda Dirgantara S., and Ridwan Kurniawan. "PENGARUH PENGGUNAAN KOLOM PASIR, LAYER PASIR, DAN TERUCUK BAMBU PADA TANAH LEMPUNG JENUH AIR TERHADAP PENURUNAN TANAH LEMPUNG MENGGUNAKAN UJI LABORATORIUM." INERSIA: lNformasi dan Ekspose hasil Riset teknik SIpil dan Arsitektur 16, no. 1 (2020): 64–73. http://dx.doi.org/10.21831/inersia.v16i1.31316.

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ABSTRAKPenelitian ini bertujuan untuk mengetahui klasifikasi jenis tanah, properti tanah pengujian dan pengaruh penggunaan metode penambahan variasi tanah lempung jenuh air dengan menggunakan pasir dan cerucuk bambu, terhadap penurunan tanah lempung, kadar air, dan analisis T90. Penelitian eksperimen dengan menggunakan model boks baja, berukuran 100 cm x 100 cm x 40 cm sebagai media penempatan tanah lempung. Hasil penelitian ini yaitu: (1) Jenis tanah termasuk CH (Clay High Plasticity) menurut klasifikasi USCS dan kelompok 4-7-6(40) menurut klasifikasi AASTHO. (2) Properti tanah adalah G=2,63,

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Raharmadi, Bambang. "Tinjauan Karakteristik Tanah untuk Stabilisasi Lapis Pondasi Perkerasan Jalan." Media Ilmiah Teknik Sipil 5, no. 2 (2017): 94–108. http://dx.doi.org/10.33084/mits.v5i2.267.

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The procedure carried out is testing the physical and mechanical properties of the soil from the quari of Bukit Batu village and quari of Manyawang hamlet based on the Indonesian National Standard (SNI). The purpose of the preparation of this paper was to determine the physical and mechanical properties of the soil from the quari of Bukit Batu village and quari dusun Manyawang so that it could be used as cement stabilization material. Quari soil test results in Bukit Batu village as deep as 1.5 meters from the ground surface with yellow brown soil color, 14.34% moisture content, 2.637 specific

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Makupiola, Christy Agata, Rais Rachman, and Irwan Lie Keng Wong. "Pengaruh Penambahan Abu Cangkang Kelapa Sawit pada Tanah Lempung dengan Uji Direct Shear." Paulus Civil Engineering Journal 3, no. 2 (2021): 267–75. http://dx.doi.org/10.52722/pcej.v3i2.256.

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The purpose of the study was to analyze the results of the physical properties of the clay used and to analyze the effect of adding oil palm shell ash to the clay on the direct shear test. From the results of testing the physical properties of the soil, the soil samples came from Jalan Yusuf Bauty, District. Somba Opu, Gowa Regency is an organic clay soil with moderate plasticity, according to the USCS soil classification system, the soil is classified as fine-grained OH group (organic clay with moderate plasticity and according to the AASTHO system the soil sample includes A-7-5. Direct Shear

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Mukhtar, Hamid, and Osama Abdulshafi. "Performance of Flexible and Rigid Pavements in Ohio." Transportation Research Record: Journal of the Transportation Research Board 1536, no. 1 (1996): 94–102. http://dx.doi.org/10.1177/0361198196153600114.

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Deviations in traffic and performance prediction parameters and overall standard deviations applicable to Ohio were determined. Pavement test sites were selected to represent the statewide distribution of pavement designs in Ohio, characterized by such factors as material type, functional classification, and different climatic and soil regions. Core samples were obtained and several laboratory tests were conducted to determine the as-constructed material properties and variability of the design input parameters. Comparison of predicted and observed performances based on approximately 4 years o

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Assam, S. A., and J. C. Agunwamba. "Potentials of Processed Palm Kernel Shell Ash (Local Stabilizer) and Model Prediction of CBR and UCS Values of Ntak Clayey Soils in Akwa Ibom State, Nigeria." European Journal of Engineering Research and Science 5, no. 12 (2020): 96–106. http://dx.doi.org/10.24018/ejers.2020.5.12.2143.

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It is very essential to improve on the study of stabilization, as we investigate the potential of Processed Palm Kernel Shell Ash (PPKSA) as a Local stabilizer in stabilizing clay soil. The ever-increasing cost of construction materials in Nigeria and other developing countries has created the need for improved research into locally and readily available materials and also on how to convert these local materials such as Palm Kernel Shell Ash for use in construction and soil improvement. To achieve this; soil samples were collected from Ntak – Uyo, Akwa Ibom State classified as an A-2-5 soil on

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Joel, Manasseh, and Joseph E. Edeh. "Effect of Curing Condition on Some Properties of Cement Stabilized Lateritic Interlocking Bricks." Advanced Materials Research 824 (September 2013): 37–43. http://dx.doi.org/10.4028/www.scientific.net/amr.824.37.

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The effect of three different curing conditions on the compressive strength and water absorption of lateritic interlocking bricks, produced with laterite stabilized with 0 %, 2 %, 4 %, 6 % and 8 % cement content was investigated. The study is aimed at providing an alternative to the conventional method of curing interlocking bricks. The three curing conditions used in the study are A (covering of bricks with tarpaulin after sprinkling with water twice a day) B (complete immersion in water) C (complete covering with air and water tight polythene bags). Laterite used in the production of interlo

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Tse, Akaha C., and Adunola O. Ogunyemi. "Geotechnical and Chemical Evaluation of Tropical Red Soils in a Deltaic Environment: Implications for Road Construction." Journal of Geography and Geology 8, no. 3 (2016): 42. http://dx.doi.org/10.5539/jgg.v8n3p42.

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Tropical red soils which occur in the dry flatlands and plains of the eastern Niger Delta Nigeria were evaluated using combined conventional engineering geological investigation with major oxide geochemistry to determine their properties and evaluate their engineering performance in road construction. Laboratory test results indicate that the brownish materials are uniformly graded, silty clayey sandy soils. The silica to sesquoxide ratio values of 3 to 4.37 indicate that they are non-lateritic tropically weathered soils. The average values of the specific gravity, liquid limit, plasticity ind

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Viso Chachayma, Jordy Frank, Jhian Franco Torres Alvarez, Gary Durán Ramírez, and Carlos Mario Fernández Díaz. "Improvement of the Shear Strength Parameters of a Granular Volcanic Soil Using Type I Portland Cement." Key Engineering Materials 896 (August 10, 2021): 165–72. http://dx.doi.org/10.4028/www.scientific.net/kem.896.165.

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The purpose of this research is to improve the parameters of shear strength in granular volcanic soil, by adding a percentage of Portland type I cement. The first step for this research was to classify the soil through a Granulometry test, according to the Unified Soil Classification System (USCS), the result was considered as a poorly graded sand with gravel also considered by The American Association of State Highway and Transportation Officials (AASHTO) as “A-1-b”. In addition, the compaction curve of the volcanic soil has a Maximum Dry Density (MDD) of 1.21 kg/cm2 and an optimum moisture c

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Irdhiani and Martini. "The Subgrade Improvement of the Road Construction with Geotextile Reinforcement on Kolaka Clay." MATEC Web of Conferences 331 (2020): 02006. http://dx.doi.org/10.1051/matecconf/202033102006.

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Subgrade is an important part of road construction. Construction built on fine-grained subgrade such as clay is very susceptible to damage. The purpose of this study was to determine the CBR value with and without geotextile reinforcement as well as to know the effect of geotextile placement on CBR value. Soil material samples was from Kolaka Village, Mori Atas District, North Morowali Regency, Central Sulawesi Province and the geotextile material used was the Woven UW-150 type. Geotextile used for CBR testing was 2 reinforcement sheets with 6 variations of geotextile placement that are succes

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Santos, Lucas Ribeiro dos. "Estabilização de Solos com um Aditivo a Base de Enzimas para fins Rodoviários." E&S Engineering and Science 7, no. 3 (2018): 2–11. http://dx.doi.org/10.18607/es201876930.

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As soluções estabilizadoras de solos a base de enzimas surgiram recentemente no cenário da engenharia rodoviária brasileira, oferecendo aos engenheiros novas possibilidades na construção e recuperação de rodovias. Este artigo apresenta os resultados experimentais de uma pesquisa elaborada com o aditivo constituído pela solução enzimática ESS-X a fim de verificar a sua viabilidade técnica para a aplicação em solo típico da região norte do estado de Mato Grosso. O solo analisado é classificado pela American Association of State Highway and Transportation Officials-Transportation Research Board (

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Apriyani, Lutfi Indah, I. Wayan Jirna, and Eko Setyawan. "PERUBAHAN KARAKTERISTIK FISIK DAN KUAT GESER TANAH LEMPUNG KABUPATEN PROBOLINGGO YANG DISTABILISASI MENGGUNAKAN CAMPURAN KAPUR DAN GARAM DAPUR (NaCl)." BANGUNAN 24, no. 2 (2019): 37. http://dx.doi.org/10.17977/um071v24i22019p37-46.

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Abstrak:Pada beberapa daerah memiliki kondisi tanah yang kurang baik, dapat dilihat dari perubahan volume dan potensi pengembangan yang tinggi. Hasil penelitian pendahuluan terhadap tanah Desa Tamansari Kecamatan Dringu Kabupaten Probolinggo diketahui nilai IP = 37,802 persen dan persentase tanah lolos ayakan no. 200 sebanyak 53,440 persen. Berdasarkan klasifikasi sistem American Association of State Highway and Transportation Official (AASHTO), tanah tersebut termasuk dalam kelompok A–7–5(18) merupakan tanah berlempung yang tergolong tanah kurang baik/ buruk untuk dijadikan tanah dasar. Sedan

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I.T., Peni. "Comparative Study of Soil Index Properties of Gudu Sokoto State And Oworoshoki Area Lagos State, Nigeria." International Journal of Multidisciplinary Research and Analysis 04, no. 06 (2021). http://dx.doi.org/10.47191/ijmra/v4-i6-17.

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The comparative study of the soils sample collected from Gudu and Oworoshoki area, Sokoto state and Lagos State was carried out to compare the index properties of soil at shallow soil deposit. The Global Positioning System (GPS) was used to locate the coordinates of the site. Shallow soil samples (disturbed and undisturbed) at different depths (1m, 2m and 3m) were collected from both study areas (Gudu and Oworoshoki). The disturbed samples were collected using hand trowel, digger, hoe and polythene bags while the undisturbed samples were collected using short pipes (samplers) by stroking each

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Nwaiwu, Charles M. O., Ibeawuchi S. Chidera, and Franklin C. Uzodinma. "Suitability Assessment of Selected Lateritic Soils For Highway Construction In Anambra State, Nigeria." FUOYE Journal of Engineering and Technology 5, no. 2 (2020). http://dx.doi.org/10.46792/fuoyejet.v5i2.495.

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Fifteen samples of coarse-grained lateritic soils obtained from different parts of Anambra State were assessed for their suitability as materials for highway construction. The soil samples were subjected to laboratory tests to obtain their index properties, compaction and California bearing ratio (CBR) characteristics. Three compactive efforts namely, British Standard Light (BSL) compaction, West African Standard (WAS) and British Standard Heavy (BSH) compaction were employed in the compaction tests. Samples were soaked for 48hrs prior to CBR testing. The index properties of the soils were use

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Osuolale, O. M., A. A. Raheem, J. R. Oluremi, and A. K. Adeosun. "Characterisation of Lateritic Soil from Selected Locations along Ibadan – Oyo Expressway for Highway Pavement Construction." LAUTECH Journal of Civil and Environmental Studies 1, March 2018 (2018). http://dx.doi.org/10.36108/laujoces/8102/10(0160).

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A good understanding of the engineering properties of lateritic soil is highly essential for effective use of the soil for highway pavement construction. The alarming rate of highway pavement failures within the study area has been attributed to paucity of information on the properties of the soil within the study zone. Therefore, the lateritic soils along selected locations along Ibadan – Oyo were characterised for their suitability for highway construction. Ten (10) lateritic soil samples were collected and they were labelled Trial Pit (TP) 1 to 10. The samples were subjected to the followin

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Peni, I. T. "Characterization and Classification of Geotechnical Index Properties of Shallow Soil Deposits at Oworoshoki Area, Kosofe Local Government, Lagos, Nigeria." INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND ANALYSIS 04, no. 01 (2021). http://dx.doi.org/10.47191/ijmra/v4-i1-05.

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The study of geotechnical index properties of soils in Oworoshoki, Kosofe, Lagos State was conducted to characterize and classify the index properties of soil samples. Disturbed and undisturbed soils were collected at different shallow depths (1m, 2m and 3m) from the study area and laboratory test was conducted. The laboratory test conducted includes natural moisture content, atterberg limits (liquid limit and plastic limit), particle size distribution, specific gravity, unit weight and hydrometer. The results of the test were gotten: natural moisture content as 23.5%, 24.5% and 25.3% , liquid

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Peni, I. T. "Characterization and Classification of Geotechnical Index Properties of Shallow Soil Deposits at Oworoshoki Area, Kosofe Local Government, Lagos, Nigeria." INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND ANALYSIS 04, no. 01 (2021). http://dx.doi.org/10.47191/ijmra/v4-i1-05.

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The study of geotechnical index properties of soils in Oworoshoki, Kosofe, Lagos State was conducted to characterize and classify the index properties of soil samples. Disturbed and undisturbed soils were collected at different shallow depths (1m, 2m and 3m) from the study area and laboratory test was conducted. The laboratory test conducted includes natural moisture content, atterberg limits (liquid limit and plastic limit), particle size distribution, specific gravity, unit weight and hydrometer. The results of the test were gotten: natural moisture content as 23.5%, 24.5% and 25.3% , liquid

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Salman, A. M. "Potential Use of Groundnut Shell Ash as Soils Strength Enhancer." LAUTECH Journal of Civil and Environmental Studies 6, no. 1 (2021). http://dx.doi.org/10.36108/laujoces/1202.60.0190.

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This research investigates the potential use of groundnut shell ash (GSA) as soils strength enhancer. The GSA was used as admixture on selected soil samples from four different locations and samples were named T1, T2, T3 & T4. The tests carried out on the samples include Atterberg limit, sieve size analysis, soil hydrometer, compaction and California bearing ratio (CBR), X-ray fluorescence (XRF). Sieve size analysis, soil hydrometer test, Atterberg limit test were used to classify soil samples’ properties and classification was done as per AASHTO soil classification system. Sample T1 was c

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"Geoengineering Assessment of Subgrade Highway Structural Material along Ijebu Owo – Ipele Pavement, Southwestern Nigeria." Journal of Applied and Emerging Sciences, June 25, 2020, 57–69. http://dx.doi.org/10.36785/buitems.jaes.374.

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Geochemical, geotechnical, and geophysical investigations were carried out along Migmatite gneiss underlain Iyere – Ipele pavement (under construction) in order to assess the suitability of the imported subgrade soil. Also static water level (SWL) was obtained from five open wells along the highway. The geotechnical tests include specific gravity, grain size analysis, consistency limits, consolidation, compaction, and California Bearing Ratio (CBR), and shear strength; while geochemical tests were analyzed using X-ray fluorescence and Atomic Absorption Spectrophotometer (AAS). The results show

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D., Hamisu, Kundiri A.M., and Umar S.Y. "SUITABILITY OF RICE HUSK ASH TREATED BLACK COTTON SOIL FOR WASTE CONTAINMENT APPLICATION." Malaysian Journal of Civil Engineering 30, no. 3 (2018). http://dx.doi.org/10.11113/mjce.v30n3.513.

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This paper presents an experimental study aimed at assessing the suitability of rice husk ash (RHA) treated black cotton soil as a barrier in Municipal Solid Waste (MSW) containment facility. Laboratory tests were conducted on black cotton soil treated with 5, 10 and 15% RHA at moulding water contents of 2 and 4% on both wet and dry sides of optimum moisture content (OMC) using British Standard Heavy (BSH) compactive effort. Index properties, hydraulic conductivity (k), volumetric shrinkage strain (VSS), and unconfined compressive strength (UCS) tests were conducted on all the samples. The res

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B. D., Oluyemi-Ayibiowu, and Fadugba O. G. "Stabilization of Lateritic Soil Using Coir Fiber as Natural Reinforcement." International Journal of Science and Engineering Invention 5, no. 02 (2019). http://dx.doi.org/10.23958/ijsei/vol05-i02/140.

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Stabilization of soil using fibers is one of the effective techniques to improve the strength of soils for engineering se. This paper aims to evaluate the effect of coir fiber as natural reinforcement in the stabilization of lateritic soil, which is classified as clayey silt. The performance of Coir fibers is separately analyzed for its impact on the strength of the soil. Tests were conducted on various fiber-soil ratios in six percentage levels such as 0, 0.2, 0.4, 0.6, 0.8 and 1.0 to determine the optimum fiber content. The index properties tests carried out on the natural soil samples (A an

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Ogundare, S. O., and O. A. Oni. "A Comparative Study of the Basic Strength and Hydraulic Properties of Lateritic Soils Stabilized with Rice Husk Ash and Bagasse Ash." Journal of Engineering Research and Reports, October 16, 2019, 1–11. http://dx.doi.org/10.9734/jerr/2019/v7i316973.

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The strength and hydraulic properties of lateritic soils stabilized with bagasse ash (BA) and rice husk ash (RHA) were examined in this study. The three lateritic soil samples used in the study were obtained from a borrow pit near the main waste dumpsite in Ado Ekiti, Nigeria. The BA and RHA were obtained locally from the burning of fibrous residue of sugar cane and rice husk respectively. Classification of the soils using AASTHO indicates Soil 1 to be Group A-6 soil, Soil 2 to be Group A-2-6 soil and Soil 3 to be Group A-2-7 soil. In general, the optimum moisture content of the stabilized soi

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"AASHTO classification to evaluate soils for road construction in Jamaica, West Indies. Technical note." International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts 30, no. 6 (1993): 359. http://dx.doi.org/10.1016/0148-9062(93)91439-p.

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OLUREMI, Johnson Rotimi, Solomon Idowu Adedokun, Paul Yohanna, David A. Fadiran, and Idris O. Azeez. "Evaluation of Compacted Laterite Soil Admixed with Cement and Hair Fibres as Road Construction Material." Journal of Engineering Research 8, no. 1 (2020). http://dx.doi.org/10.36909/jer.v8i1.4966.

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A natural lateritic soil classified as A-5 (4) based on American Association of State Highway and Transportation Officials (AASHTO) soil classification system and ML-CL according to Unified Soil Classification System (USCS), was admixed with ordinary Portland cement and synthetic hair fibres (SHF) was evaluated as road construction material. Soil test specimens were made by admixing lateritic soil with up to 4% cement in 1 % step concentration and up to 12% SHF in step concentration of 2 % by dry weight of the soil and were subjected to British Standard Light (BSL) or Standard Proctor method o

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Salahudeen, Anigilaje B., Adrian O. Eberemu, and Kolawole J. Osinubi. "Microanalysis and Compactive Efforts Study of Black Cotton Soil Treated With Cement Kiln Dust." FUOYE Journal of Engineering and Technology 4, no. 1 (2019). http://dx.doi.org/10.46792/fuoyejet.v4i1.227.

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An expansive clay, also known as Black cotton soil (BCS) was treated with up to 10 % cement kiln dust (CKD) using three different compactive efforts; British Standard light (BSL), West African Standard (WAS) and British Standard heavy (BSH) energies. Laboratory tests were performed on the natural soil and CKD treated soil samples in accordance with BS 1377 (1990) and BS 1924 (1990) respectively with the aim of improving the deficient soil to meet engineering requirements. Preliminary evaluations on the natural black cotton soil showed that it fell under A-7-6 (16) using AASHTO classification a

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Ishola, K. "Compaction Characteristics of the Lateritic Soil-Mango Leaf Ash Admixed with Cement." UNIOSUN Journal of Engineering and Environmental Sciences 1, no. 1 (2019). http://dx.doi.org/10.36108/ujees/9102.10.0111.

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This study investigated the compaction effect of unmodified and modified lateritic soil using cement-mango leaf waste ash (C- MLWA). The lateritic soil used was classified as A-7-6 (9) and CL using AASHTO soil classification and USCS respectively. The soil was treated with a blended cement of 1%, 2 % and 6 % mango leaf waste ash by dry weight of the soil sample. Effect of cement- mango leaf ash on the modified soil was studied with respect to compaction characteristics, plasticity characteristics, particle size distribution, California bearing ratio, and unconfined compressive strength. Compac

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Manaf, Feizal. "Penentuan Jenis dan Karakteristik Tanah Sebagai Tanah Dasar Badan Jalan." Sainstech: Jurnal Penelitian dan Pengkajian Sains dan Teknologi 25, no. 1 (2018). http://dx.doi.org/10.37277/stch.v25i1.142.

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Abstrak---Kekuatan dan ketahanan konstruksi jalan raya sangat tergantung dari stabilitas tanah dasar jalanraya itu sendiri. Sedangkan kondisi tanah dasar dilapangan sifatnya beraneka ragam. Untuk kondisi tanah yangkurang baik sebagai tanah dasar jalan, maka perlu diadakan perbaikan stabilitas tanah sebagai pendukungkonstruksi jalan tersebut. Untuk itu maka perlulah diketahui dahulu jenis dan karakteristik dari tanah dasartersebut, apakah tanah tersebut sudah baik atau perlu dilakukan stabilisasi dahulu tanah dasar tersebut agardapat mendukung konstruksi jalan diatasnya. Oleh karenanya sebelum

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Nnochiri, Emeka Segun, Olumide Moses Ogundipe, and Helen Oluyemisi Emeka. "EFFECTS OF SNAIL SHELL ASH ON LIME STABILIZED LATERITIC SOIL." Malaysian Journal of Civil Engineering 30, no. 2 (2018). http://dx.doi.org/10.11113/mjce.v30n2.477.

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As a result of increase in population and socioeconomic activities, the rate of production of wastes over the years has been on the rise. A major approach towards managing these wastes is to consider the possibility of waste recycle and minimization. This study assesses the effects of Snail Shell Ash (SSA), a product of snail shell-which itself is a waste product, on lime stabilized lateritic soil. Preliminary tests such as; specific gravity, Atterberg limits and particle size distribution tests were carried out on natural soil sample, for the purposes of identification and classification. The

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