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Journal articles on the topic 'Liquefaction potential map'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 July 2025

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1

Chung. "Preparation of Probabilistic Liquefaction Hazard Map Using Liquefaction Potential Index." Journal of the Korean Society of Civil Engineers 34, no. 6 (2014): 1831. http://dx.doi.org/10.12652/ksce.2014.34.6.1831.

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KUSANO, Kaoru, Hiroshi ABE, Yoshimi OGAWA, and Toshio NAKAYAMA. "Liquefaction potential map in Tokyo lowland." Doboku Gakkai Ronbunshu, no. 418 (1990): 95–104. http://dx.doi.org/10.2208/jscej.1990.418_95.

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Zar, Lee Tint, Myint Kyaw Nyan, and Kyaw Kyaw. "Soil Liquefaction Potential Maps for Earthquake Events in Yangon, Myanmar." International Journal of Trend in Scientific Research and Development 2, no. 3 (2018): 2401–9. https://doi.org/10.31142/ijtsrd12747.

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The soil liquefaction is one of the main topics of geotechnical engineering associated with the strong earthquakes. The study area has been selected in Yangon City because it is most populated density area and located near the active faults and the rivers. The main objective of study is the development of liquefaction potential maps as a prominent feature for site planners and decision makers to reduce loss of lives. The borehole data including ground water table, Standard Penetration Test SPT , blow counts, wet density and fine content etc. have been collected from the 530 representative site

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Chou, Jui-Ching, Pao-Shan Hsieh, Po-Shen Lin, Yin-Tung Yen, and Yu-Hsi Lin. "Introduction and Application of a Simple Probabilistic Liquefaction Hazard Analysis Program: HAZ45PL Module." Shock and Vibration 2021 (January 27, 2021): 1–9. http://dx.doi.org/10.1155/2021/6687631.

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The 2016 Meinong Earthquake hit southern Taiwan and many shallow foundation structures were damaged due to soil liquefaction. In response, the government initiated an investigation project to construct liquefaction potential maps for metropolitans in Taiwan. These maps were used for the preliminary safety assessment of infrastructures or buildings. However, the constructed liquefaction potential map used the pseudo-probabilistic approach, which has inconsistent return period. To solve the inconsistency, the probabilistic liquefaction hazard analysis (PLHA) was introduced. However, due to its c

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Elton, David J., and Tarik Hadj‐Hamou. "Liquefaction Potential Map for Charleston, South Carolina." Journal of Geotechnical Engineering 116, no. 2 (1990): 244–65. http://dx.doi.org/10.1061/(asce)0733-9410(1990)116:2(244).

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Rachmadi, Ari, Muhammad Rizqy Septyandy, and Muhammad Amin Syam. "Determination of Liquefaction Hazard in Samarinda Using Fuzzy-GIS Method." EL-JUGHRAFIYAH 4, no. 2 (2024): 273. https://doi.org/10.24014/jej.v4i2.33050.

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The phenomenon of liquefaction is the transformation of coarse-grained soil from a solid to a liquid state, resulting in a reduction in the bearing capacity of the soil due to an increase in hydrostatic pressure due to a sudden high cyclic load. Liquefaction usually occurs during an earthquake, where earthquake-triggering factors, ground acceleration, water table depth, overburden pressure, soil density, and soil type are used as input data. A fuzzy-GIS approach is used to combine these factors to map liquefaction potential. This method produced a preliminary map of liquefaction potential in S

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Pokhrel, Rama Mohan, and Takashi Kiyota. "GIS based study on liquefaction-induced soil subsidence, a case from Urayasu area, Chiba, Japan." Journal of Nepal Geological Society 51 (December 31, 2016): 55–58. http://dx.doi.org/10.3126/jngs.v51i0.24092.

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Urayasu City in Chiba prefecture, Japan, which is composed of young reclaimed land. Following the 2011 off the Pacific Coast of Tohoku Earthquake (M=9), severe liquefaction-induced ground subsidence was extensively observed in this young filled land. The major problems associated with liquefaction and ground subsidence like tilting of houses, buckling of roads and lifelines cut off were commonly observed. Therefore, a detailed study on possibility and amount of ground subsidence is essential to carry out in such area. In this paper, a variation of ground subsidence is studied after severe liqu

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Naik, Sambit Prasanajit, Ohsang Gwon, Kiwoong Park, and Young-Seog Kim. "Land Damage Mapping and Liquefaction Potential Analysis of Soils from the Epicentral Region of 2017 Pohang Mw 5.4 Earthquake, South Korea." Sustainability 12, no. 3 (2020): 1234. http://dx.doi.org/10.3390/su12031234.

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Studies on earthquake-induced liquefaction and identification of source unit for causing liquefaction have been a major concern in sustainable land use development especially in low to moderate seismic areas. During the 2017 Mw 5.4 Pohang earthquake, widespread liquefaction was reported around the Heunghae basin, which was the first ever reported case of liquefaction in the modern seismic history of Korea. The epicentral area is one of the major industrial hubs along the SE Korean Peninsula with no detailed liquefaction hazard map. The purpose of this study was to determine the land damage cla

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Barani, Simone, Gabriele Ferretti, and Davide Scafidi. "Evaluation of liquefaction triggering potential in Italy: a seismic-hazard-based approach." Natural Hazards and Earth System Sciences 23, no. 5 (2023): 1685–98. http://dx.doi.org/10.5194/nhess-23-1685-2023.

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Abstract. In the present study, we analyze ground-motion hazard maps and hazard disaggregation in order to define areas in Italy where liquefaction triggering due to seismic activity can not be excluded. To this end, we refer to the triggering criteria (not to be confused with liquefaction susceptibility criteria, which essentially take into account soil type and depth to groundwater) proposed by the Italian Guidelines for Seismic Microzonation, which are described in the main body of the paper. However, the study can be replicated in other countries that adopt different criteria. The final go

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Matsuoka, Masashi, Kazue Wakamatsu, Mitsufumi Hashimoto, Shigeki Senna, and Saburoh Midorikawa. "Evaluation of Liquefaction Potential for Large Areas Based on Geomorphologic Classification." Earthquake Spectra 31, no. 4 (2015): 2375–95. http://dx.doi.org/10.1193/072313eqs211m.

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Ground motion maps and observation records of liquefaction sites from ten historical earthquakes are used to develop predictive equations for the regional occurrence of liquefaction. Liquefaction occurrence ratio is determined for different geomorphological conditions and intervals of causative shaking intensity obtained from the observation data. Probability regression analysis of these data, based on a cumulative normal distribution, is then used to develop equations for estimating probability of liquefaction for different geomorphological conditions given shaking intensity. Utility of the m

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Kennedy, Shaymaa, and Raid Mahmood. "Liquefaction Potential Assessment for Basrah Soil Based on Standard Penetration Test Values." Iraqi Geological Journal 56, no. 2A (2023): 283–93. http://dx.doi.org/10.46717/igj.56.2a.22ms-2023-7-31.

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Most of the crustal depth shocks are situated within the geographic border of the earthquake risk map for Iraq. The number of earthquakes rises, and apattern emerges, with their magnitudes ranging from 2.7 to 7.2. Recently, many parts of Iraq have been affected by earthquakes. Under such loads, soil can be liquefied, which might destroy the ground and buildings. Therefore, bore log data, grain size distribution, N-values of the standard penetration test, and an earthquake risk map are used to assess the liquefaction potential. The liquefaction parameters are calculated using Idriss and Boulang

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Maulana, Arif, Rifa’i Ahmad, and Faris Fikri. "Liquefaction potential analysis on runway construction based on soil engineering properties." E3S Web of Conferences 156 (2020): 02003. http://dx.doi.org/10.1051/e3sconf/202015602003.

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The term of liquefaction refers to a liquefied soil phenomenon during an earthquake causing the loss of soil bearing capacity. In general, liquefaction occurs in loose sandy soil with saturated condition triggered by an earthquake with Peak Ground Acceleration greater than 0.25 g. This research aim to analyze the liquefaction potential of runway construction which located on loose sandy soil area. The analysis of liquefaction potential is based on borelog data, grain size distribution, soil physical properties, and earthquake risk map. The liquefaction potential was obtained by calculating the

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Ahsan, R., M. A. Ansari, S. Aziz, and S. Zahan. "Evaluation of Liquefaction Potential Index and Severity Mapping for Rangpur City Corporation." Journal of Science and Technology Research 4, no. 1 (2023): 49–58. http://dx.doi.org/10.3329/jscitr.v4i1.67368.

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This paper aims to investigate the Liquefaction Potential Index (LPI) of different Wards and prepare a liquefaction severity map of Rangpur City Corporation. A Liquefaction severity map of a city helps the legislators and policymakers with informed land use planning as well as the development of the town. Disturbed soils from 10 Wards among 33 Wards of Rangpur were collected for different depths in a single borehole. The locations for the borehole were selected based on the seismic soil profile and engineering geology reports available for Rangpur City Corporation in CDMP-II. Standard Penetrat

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Kevin, Paulus, and Muhrozi Muhrozi. "The Preliminary Study of Liquefaction Susceptibility Map in the Yogyakarta-Bawen Toll Road Sections I and II, Indonesia." Civil Engineering Dimension 25, no. 1 (2023): 29–36. http://dx.doi.org/10.9744/ced.25.1.29-36.

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The parts of Yogyakarta-Bawen Toll Road Indonesia, based on the geological agency’s liquefaction susceptibility map are located on moderately susceptible to liquefaction soil. This map can be a preliminary indication of liquefaction as it can roughly indicate liquefaction potential. However, it cannot illustrate the actual condition in detail as its inputs are macro parameters (geological and seismicity factors). The existence of silty sand and sand, earthquake sources, and shallow groundwater increase the liquefaction possibility to occur in this important national project. Therefore, the Liq

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Farni, Indra. "AN EVALUATION OF LIQUEFACTION POTENTIAL IN THE REGION OF PADANG CITY." JURNAL REKAYASA 11, no. 1 (2022): 67–77. http://dx.doi.org/10.37037/jrftsp.v11i1.81.

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Padang City is a city located on the Coastline of West Sumatra Coast that is vulnerable to earthquakes and tsunamis. This vulnerability allows the liquefaction phenomenon when an earthquake occurs. Factors affecting liquefaction are soil type, grain grading, ground water level, relative density and vibration. This study aims to analyze the liquefaction potential based on the value of safety factors obtained by using the Seed et al (1985) method and the Liquefaction Potential Index (LPI) method which aims to map the liquefaction based on the level of liquefaction potential at the location being

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Mulrony, Brian Priadana, Sito Ismanti, and Ahmad Rifa’i. "Liquefaction potential analysis using simplified procedure (Case study: Stadium construction project in North Sumatra, Indonesia)." IOP Conference Series: Earth and Environmental Science 1416, no. 1 (2024): 012015. https://doi.org/10.1088/1755-1315/1416/1/012015.

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Abstract Indonesia’s Seismic Design Standards determine that soils in high-seismicity areas with layers of loose sandy soil and a shallow groundwater level require the calculation of liquefaction potential. According to the Indonesian Liquefaction Vulnerability Zone, North Sumatra is categorized as a liquefaction area. Based on these requirements, this research investigates the liquefaction potential of the Stadium Construction Project in North Sumatra. The study area consists mostly of sand with shallow groundwater levels and high seismic zones associated with the Renun-A fault. Soil investig

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Hossain, Md Belal, Md Roknuzzaman, and Md Mahabub Rahman. "Liquefaction Potential Evaluation by Deterministic and Probabilistic Approaches." Civil Engineering Journal 8, no. 7 (2022): 1459–81. http://dx.doi.org/10.28991/cej-2022-08-07-010.

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Bangladesh is one of the world's most disaster-prone areas. The northwest region of Bangladesh is the most seismically active region. Dinajpur is the district closest to the Himalayan frontal thrust, making it the most vulnerable to earthquake-related liquefaction. Therefore, the in-situ parameters are used to assess the liquefaction susceptibility of the subsurface geology for the Dinajpur district in terms of soil liquefaction safety factor (FS), the liquefaction potential index (LPI), and the liquefaction probability (PL). This study used deterministic and probabilistic techniques to estima

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Acharya, Prabin, Keshab Sharma, and Indra Prasad Acharya. "Seismic Liquefaction Risk Assessment of Critical Facilities in Kathmandu Valley, Nepal." GeoHazards 2, no. 3 (2021): 153–71. http://dx.doi.org/10.3390/geohazards2030009.

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Kathmandu Valley lies in an active tectonic zone, meaning that earthquakes are common in the region. The most recent was the Gorkha Nepal earthquake, measuring 7.8 Mw. Past earthquakes caused soil liquefaction in the valley with severe damages and destruction of existing critical infrastructures. As for such infrastructures, the road network, health facilities, schools and airports are considered. This paper presents a liquefaction susceptibility map. This map was obtained by computing the liquefaction potential index (LPI) for several boreholes with SPT measurements and clustering the areas w

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KAJIHARA, Kazuhiro, Rama Mohan POKHREL, Takashi KIYOTA, and Kazuo KONAGAI. "CREATION OF A NEW LIQUEFACTION HAZARD MAP REFLECTING RELATIONSHIP BETWEEN LIQUEFACTION POTENTIAL AND LIQUEFACTION-INDUCED ROAD SUBSIDENCE." Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE)) 72, no. 4 (2016): I_234—I_240. http://dx.doi.org/10.2208/jscejseee.72.i_234.

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Bawankule, Manish, and Shantanu N. Pawar. "Evaluation of Liquefaction Potential of Nagpur Region Using SPT Data: Field Assessment." IOP Conference Series: Earth and Environmental Science 1086, no. 1 (2022): 012021. http://dx.doi.org/10.1088/1755-1315/1086/1/012021.

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Abstract Liquefaction is a complex, controversial but important topic in the Geotechnical engineering especially in earthquake sensitive regions. This secondary effect of earthquake causes severe damage to infrastructure. Nagpur is third largest and fastest growing and developing city in Maharashtra. The main aim of this study is to map the Nagpur city in the view of liquefaction potential occurrence and to make readily available data for further use and research. SPT-N based method is used for liquefaction assessment of soil encountered in the Nagpur region during investigation. The liquefact

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Widyanata, I. Made, Sito Ismanti, and Angga Fajar Setiawan. "Liquefaction potential evaluation on reconstruction project of irrigation canal in the Jono Oge and Lolu Village." E3S Web of Conferences 429 (2023): 04012. http://dx.doi.org/10.1051/e3sconf/202342904012.

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In Indonesia's liquefaction history, the province of Central Sulawesi was severely affected in several locations when a 7.5 Mw earthquake occurred in September 2018. This study aims to evaluate the liquefaction potential and generate the liquefaction hazard map in the reconstruction project of the Gumbasa Irrigation Canals passed through Jono Oge Village and Lolu Village, closely related to the liquefaction event in the Sigi Regency area. Using the simplified procedure method by Idriss and Boulanger, the Liquefaction Factor of Safety (FOS) was calculated for each layer of soil from thirteen (1

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Dinastiyanto, T., H. C. Hardiyatmo, and E. P. A. Pratiwi. "Liquefaction Potential Analysis of Irrigation Canals at Sidera Area-Sigi Regency." IOP Conference Series: Earth and Environmental Science 1373, no. 1 (2024): 012003. http://dx.doi.org/10.1088/1755-1315/1373/1/012003.

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Abstract An earthquake measuring 7.5 on the Richter scale that occurred in Palu on 28 September 2018 resulted in liquefaction where the soil lost its bearing capacity due to increased pore water pressure. The liquefaction disaster caused great damage to the Gumbasa Irrigation channel, a large part of which is in the alluvial fan area. This study aims to analyze the potential of liquefaction in irrigation canals in the Sidera village area, Sigi Regency. Using SPT (Standard Penetration Test) data from 2 boreholes with a depth of ± 20 m, MASW data, and Earthquake Risk Map. Researchers analyzed wi

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Tosun, H., E. Seyrek, A. Orhan, H. Savaş, and M. Türköz. "Soil liquefaction potential in Eskişehir, NW Turkey." Natural Hazards and Earth System Sciences 11, no. 4 (2011): 1071–82. http://dx.doi.org/10.5194/nhess-11-1071-2011.

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Abstract. Liquefaction is one of the critical problems in geotechnical engineering. High ground water levels and alluvial soils have a high potential risk for damage due to liquefaction, especially in seismically active regions. Eskişehir urban area, studied in this article, is situated within the second degree earthquake region on the seismic hazard zonation map of Turkey and is surrounded by Eskişehir, North Anatolian, Kütahya and Simav Fault Zones. Geotechnical investigations are carried out in two stages: field and laboratory. In the first stage, 232 boreholes in different locations were d

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Wen, Hsiu-Chen, An-Jui Li, Chih-Wei Lu, and Chee-Nan Chen. "Application of the Coupled Markov Chain in Soil Liquefaction Potential Evaluation." Buildings 12, no. 12 (2022): 2095. http://dx.doi.org/10.3390/buildings12122095.

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The evaluation of localized soil-liquefaction potential is based primarily on the individual evaluation of the liquefaction potential in each borehole, followed by calculating the liquefaction-potential index between boreholes through Kriging interpolation, and then plotting the liquefaction-potential map. However, misjudgments in design, construction, and operation may occur due to the complexity and uncertainty of actual geologic structures. In this study, the coupled Markov chain (CMC) method was used to create and analyze stratigraphic profiles and to grid the stratum between each borehole

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Wicaksono, Aryo, Hary Christady Hardiyatmo, and Iman Satyarno. "Analysis of liquefaction potential in Opak Fault nearby area (case study: Solo-Yogyakarta-NYIA Kulon Progo Toll Road construction section I.2)." E3S Web of Conferences 429 (2023): 04008. http://dx.doi.org/10.1051/e3sconf/202342904008.

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Construction of the Solo – Yogyakarta – NYIA Kulon Progo Toll Road Section I.2 is a part of Java's toll road network system that connects Solo and Yogyakarta. The presence of this opak fault allegedly cut the toll road alignment. Based on Indonesia's Liquefaction Vulnerability Zone Map, the alignment location is in a medium liquefaction vulnerability zone. This study aims to determine the potential of liquefaction in the construction of Solo – Yogyakarta – NYIA Kulon Progo Toll Road Section I.2 (stationing 29+000 - 36+000). The maximum peak ground acceleration on the surface was calculated usi

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Li, Cheng Cheng, Yun Long Wang, and Xiao Ming Yuan. "Research on Regional Dividing Technology for Liquefaction Based on ArcGIS." Applied Mechanics and Materials 477-478 (December 2013): 1109–12. http://dx.doi.org/10.4028/www.scientific.net/amm.477-478.1109.

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To assess liquefaction degree in the south region of Tangshan city, totally 65 boreholes are collected and the establishment of drilling graphics database and attribute database are completed on ArcGIS.Then the potential of liquefaction values are given by a multi-factor regression method, seven factors and four factors for different precisions respectively. According to these drilling data, liquefaction condition for each borehole is discriminated, and the liquefaction condition of the unknown area is speculated by Kriging interpolation method, then the liquefaction zoning map of south of Tan

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Tint, Zar Lee, Nyan Myint Kyaw, and Kyaw Kyaw. "Development of Soil Distribution and Liquefaction Potential Maps for Downtown Area in Yangon, Myanmar." Civil Engineering Journal 4, no. 3 (2018): 689. http://dx.doi.org/10.28991/cej-0309108.

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The problem of soil against liquefaction during earthquakes is devastating geotechnical phenomenon. Soil against liquefaction is generally occurred in loose cohesionless saturated soil when pore water pressure increases suddenly due to earthquakes and shear strength of the soil decreases to zero. Yangon area has been chosen as the study area because it is the most populated and largest city in Myanmar and located in low to medium seismicity region. In this purpose, the liquefaction potential map have been prepared for site planners and decision makers to prevent loss of lives. Geographic Infor

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Berkat, Badr, Ahmed Akhssas, and Omar Elfilali. "Assessing Liquefaction Potential in Alluvial Plains Through Spatiotemporal Analysis Using Liquefaction Probability Index." Civil Engineering Journal 10, no. 6 (2024): 2007–18. http://dx.doi.org/10.28991/cej-2024-010-06-018.

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Liquefaction is one of the most important processes in soil dynamics. It is a loss of strength coupled with a rapid increase in pore pressure, causing soil particles to burst for a short period. Several approaches have been developed to calculate the residual or liquefied shear strength of cohesionless soils. Using the liquefaction probability index (LPI) created by Juang et al. (2003), the primary goal of this publication is to map spatiotemporal variations in the liquefaction potential of deposits in the Oued Drader and Marja Zerga alluvial plains of the mio-plio-quaternary Gharb basin. The

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Yalcin, A., C. Gokceoglu, and H. Sönmez. "Liquefaction severity map for Aksaray city center (Central Anatolia, Turkey)." Natural Hazards and Earth System Sciences 8, no. 4 (2008): 641–49. http://dx.doi.org/10.5194/nhess-8-641-2008.

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Abstract. Turkey having a long history of large earthquakes have been subjected to progressive adjacent earthquakes. Starting in 1939, the North Anatolian Fault Zone (NAFZ) produced a sequence of major earthquakes, of which the Mw 7.4 earthquake that struck western Turkey on 17 August 1999. Following the Erzincan earthquake in 1992, the soil liquefaction has been crucial important in the agenda of Turkey. Soil liquefaction was also observed widely during the Marmara and the Düzce Earthquake in 1999 (Sönmez, 2003). Aksaray city center locates in the central part of Turkey and the Tuzgolu Fault

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Alihudien, Arief, M. Rifki Alfaries, and Nanang Saiful Rizal. "Simulation of the Potential Liquification of Puger Sand Soil on a Small Scale in the Laboratory." Rekayasa Sipil 19, no. 2 (2025): 219–24. https://doi.org/10.21776/ub.rekayasasipil.2025.019.02.10.

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Puger is a nearshore area in the Jember district. On the Indonesian liquefaction zone atlas map, Puger is a high liquefaction zone. Liquefaction can occur when water-saturated soil loses its strength and behaves like a liquid due to seismic vibrations. Thus, an in-depth understanding of soil behavior and the structures above it due to liquefaction events is needed to mitigate disasters. This study aims to effectively simulate the liquefaction potential of Puger sand material on a small laboratory scale to identify soil behavior that can cause structural damage due to liquefaction phenomena. Th

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Daja, Shkelqim, Besnik Ago, and Redi Muci. "Liquefaction Potential in the Adriatic Coastal Areas in Albania." Bulletin of the Geological Society of Greece 50, no. 4 (2016): 2363–71. http://dx.doi.org/10.12681/bgsg.29605.

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The objective of this study is the evaluation of the phenomenon of liquefaction along the coastal area west of Albania. The study is based on the combination of qualitative approach which use geological criteria as the type of soil, their age, hydrogeological conditions and seismicity of the area and quantitative or deterministic approaches consisting on the evaluation of Liquefaction Potential Index (LPI). The quantitative analysis is based on the CPTU data. Three hazard levels, corresponding to different levels of safety such as 50% in 50 years (72-years Return Period), 10% in 50 years (475-

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Paudyal, Pradeep. "Assessment of liquefaction susceptibility in Quaternary deposits: A case study from Jhapa Bazar area, eastern Nepal." Journal of Nepal Geological Society 59 (July 24, 2019): 9–18. http://dx.doi.org/10.3126/jngs.v59i0.24982.

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Liquefaction is generally experienced in unconsolidated fine- grained sediments during the large earthquakes. In Nepal, the southern part of the country comprises Quaternary deposits called as Indo-Gangetic deposit. Sand and silts are dominant in this zone, where groundwater level is also relatively high. In eastern Nepal, several places have experienced ground fissures, sand boiling, and liquefaction during the large earthquakes in the past history. There are several factors including soil properties, groundwater level, grain size of sediments and ground acceleration that contribute to ground

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Pallav, Kumar, S. T. G. Raghukanth, and Konjengbam Darunkumar Singh. "Liquefaction Hazard Scenario of Imphal City for 1869 Cachar and a Hypothetical Earthquake." International Journal of Geotechnical Earthquake Engineering 3, no. 1 (2012): 34–56. http://dx.doi.org/10.4018/jgee.2012010103.

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In the present article liquefaction potential of Imphal city is reported in the form of two indices, i.e., LPI (Liquefaction Potential Index) and LSI (Liquefaction Severity Index), for 1869 Cachar earthquake (Mw 7.5) along the Kopili fault and probable future great earthquake (Mw 8.1) in the Indo-Burma subduction zone. The Factor of Safety (FS) against liquefaction has been computed by using modified procedure given by Idriss and Boulanger (2006) for all depths of 122 boreholes. The computed FS have been used as input parameters for evaluating LPI and LSI indices for Imphal City. Based on thes

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BALA, ANDREI, and DIETER HANNICH. "Liquefaction Potential Analysis in Bucharest City as a Result of the Ground Shaking during Strong Vrancea Earthquakes." Athens Journal of Τechnology & Engineering 8, no. 2 (2021): 113–38. http://dx.doi.org/10.30958/ajte.8-2-1.

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Bucharest, the capital of Romania with about 2.5 million inhabitants, is frequently struck by intense, damaging earthquakes (2–3 events per century). The Collaborative Research Center 461 (CRC-461) entitled: “Strong Earthquakes - a Challenge of Geosciences and Civil Engineering” was established in July 1996 and ended in December 2007, but some projects continued until 2010. It was funded by the German Research Foundation and involved the University of Karlsruhe which today belongs to Karslruhe Institute of Technology. The CRC aimed strategic research in the field of strong earthquakes with reg

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Ahmad, Mahmood, Xiao-Wei Tang, Jiang-Nan Qiu, and Feezan Ahmad. "Evaluating Seismic Soil Liquefaction Potential Using Bayesian Belief Network and C4.5 Decision Tree Approaches." Applied Sciences 9, no. 20 (2019): 4226. http://dx.doi.org/10.3390/app9204226.

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Liquefaction is considered a damaging phenomenon of earthquakes and a major cause of concern in civil engineering. Therefore, its predictory assessment is an essential task for geotechnical experts. This paper investigates the performance of Bayesian belief network (BBN) and C4.5 decision tree (DT) models to evaluate seismic soil liquefaction potential based on the updated and relatively large cone penetration test (CPT) dataset (which includes 251 case histories), comparing them to a simplified procedure and an evolutionary-based approach. The BBN model was developed using the K2 machine lear

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Bhutani, Manish, and Sanjeev Naval. "Assessment of Seismic Site Response and Liquefaction Potential for Some Sites using Borelog Data." Civil Engineering Journal 6, no. 11 (2020): 2103–19. http://dx.doi.org/10.28991/cej-2020-03091605.

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Assessment of Liquefaction susceptibility of soil is very important aspect of disaster risk reduction for a particular region. The present research is an investigation to find out the liquefaction capability for the sites of Jalandhar and its surrounding region, Punjab (India) using semi empirical approach of Idris and Boulanger. Initially, the response of Ground has been analyzed with the help of DEEPSOIL software for evaluating the maximum ground acceleration values (PGASUR) at surface using five earthquake motions of magnitude, M = 6.0, 6.8 and 7.3 selected from worldwide recorded database

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Zumpano, Veronica, Luca Pisano, Francesco Filice, et al. "Regional-Scale Seismic Liquefaction Susceptibility Mapping via an Empirical Approach Validated by Site-Specific Analyses." Geosciences 12, no. 5 (2022): 215. http://dx.doi.org/10.3390/geosciences12050215.

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Regional-scale analyses of susceptibility to liquefaction are seldom performed in data-scarce areas. However, in spite of data limitations, such efforts can still provide useful information in case of populated, seismically active regions. The present work focuses on susceptibility zonation for soil liquefaction that might occur due to ground shaking in the Foggia Province, a data-scarce, seismically active area of about 7000 km2 located in southern Italy. The Analytical Hierarchy Process (AHP) approach is used to obtain the susceptibility to liquefaction map of the whole area, while a geologi

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Farazi, A. H., N. Ferdous, and A. S. M. M. Kamal. "LPI Based Earthquake Induced Soil Liquefaction Susceptibility Assessment at Probashi Palli Abasan Project Area, Tongi, Gazipur, Bangladesh." Journal of Scientific Research 10, no. 2 (2018): 105–16. http://dx.doi.org/10.3329/jsr.v10i2.34225.

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This study aims at evaluation of seismic soil liquefaction hazard potential at Probashi Palli Abasan Project area of Tongi, Gazipur, exploiting standard penetration test (SPT) data of 15 boreholes, following Simplified Procedure. Liquefaction potential index (LPI) of each borehole was determined and then cumulative frequency distribution of clustered LPI values of each surface geology unit was determined assuming cumulative frequency at LPI = 5 as the threshold value for liquefaction initiation. By means of geotechnical investigation two surface geological units—Holocene flood plain deposits,

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Li, Cheng Cheng, and Xiao Ming Yuan. "Comparisons of Two Methods for Regional Dividing Technology of Liquefaction Based on ArcGIS." Advanced Materials Research 915-916 (April 2014): 1443–47. http://dx.doi.org/10.4028/www.scientific.net/amr.915-916.1443.

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Quantitative characterization of liquefaction degree in the south region of Tangshan city has been done by methods of code evaluation and multi-factor regression evaluation. By use of those criterition, liquefaction degree maps were prpared through collecting totally 65 boreholes, and compiling drilling graphics database and attribute database on ArcGIS. In this procedure, the potential of liquefaction values were given respectively. While the quality and quantity of geotechnical test data directly affact the statistical accuracy with which area can be characterized, different method affact it

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Lee, (Shannon) Hsien-Heng, Chun-Fei Hsu, Sao-Jeng Chao, and Chung-Chi Chi. "A Study on the Reasons for No Soil Liquefaction Occurring in the Lanyang Plain in a Strong Earthquake Area." Sustainability 14, no. 14 (2022): 8244. http://dx.doi.org/10.3390/su14148244.

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The Lanyang Plain is prone to earthquakes of magnitude 5 or higher. The Central Geological Survey’s soil liquefaction potential map of Yilan County shows that more than 69% of the plain area has high liquefaction potential: but why have there not been any liquefaction cases in the past 23 years? Based on the results of the groundwater pumping test, geological history, and the soil liquefaction analysis method, this study aimed to explore and analyze the causes of no liquefaction occurring in the Yilan region. To understand the permeability of the overall stratum structure of the Lanyang Plain

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Nurhaci, Dian Susri. "ANALYSIS OF LIQUEFACTION POTENT ANALYSIS OF LIQUEFACTION POTENTIAL USING THE ANALYTICAL HIERARCHY PROCESS METHOD IN BANTUL DISTRICT, YOGYAKARTA PROVINCE, INDONESIA." KURVATEK 9, no. 2 (2024): 197–206. https://doi.org/10.33579/krvtk.v9i2.5409.

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Abstract â€” The earthquake that struck the Bantul district of Yogyakarta on May 27, 2006, with a Richter scale value of 6.3, caused sandboils in various areas in Bantul Regency. These symptoms are referred to as liquefaction events, and the phenomenon is fascinating to research. These symptoms are referred to as liquefaction events, and the phenomenon is intriguing to researchers. Liquefaction in Bantul Regency is induced by the area's Young Volcanic Deposits of Merapi Volcano and shallow groundwater table, which can result in saturated soil during an earthquake. The research was conducted to

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Zakariya, A., A. Rifa’i, and S. Ismanti. "Ground Motion and Liquefaction Study at Opak River Estuary Bantul." IOP Conference Series: Earth and Environmental Science 1244, no. 1 (2023): 012032. http://dx.doi.org/10.1088/1755-1315/1244/1/012032.

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Abstract In Mei 2006, an earthquake occurred, and liquefaction was induced in Bantul Regency in the form of lateral spreading and sand boiling. Based on Indonesia’s liquefaction susceptibility zone map 2019, the Bantul coast was identified as a high liquefaction hazard zone. There is a high risk of liquefaction in that location, and if liquefaction occurs, the effective stresses of the soil will be lost. This study aimed to determine ground motion-induced liquefaction potential in Opak river estuary in Bantul. The peak ground acceleration can be predicted by probabilistic seismic hazard analys

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Silalahi, Meschac T., Darharta Dahrin, Dadi Abdurrahman, and Adrin Tohari. "Identification Of Liquefaction-Potential Zones Using The Gravity Method In Lolu Village, Central Sulawesi." Jurnal Penelitian Pendidikan IPA 9, no. 8 (2023): 6206–12. http://dx.doi.org/10.29303/jppipa.v9i8.4830.

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A seismic event of magnitude 7.5 struck the Palu region in Central Sulawesi on September 28, 2018, precipitating a subsequent calamity in the form of a tsunami measuring 4-7 meters in height. This catastrophe was further compounded by the occurrence of liquefaction, leading to extensive devastation and a significant loss of life. In order to identify areas susceptible to liquefaction, it is anticipated that the employment of the gravity method, renowned for its capacity to discern density fluctuations associated with the mass of voluminous materials over a considerable detection range, will pr

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Taftsoglou, Maria, Sotirios Valkaniotis, George Papathanassiou, Nikos Klimis, and Ioannis Dokas. "A Detailed Liquefaction Susceptibility Map of Nestos River Delta, Thrace, Greece Based on Surficial Geology and Geomorphology." Geosciences 12, no. 10 (2022): 361. http://dx.doi.org/10.3390/geosciences12100361.

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The existence of high potential onshore and offshore active faults capable to trigger large earthquakes in the broader area of Thrace, Greece in correlation with the critical infrastructures constructed on the recent and Holocene sediments of Nestos river delta plain, was the motivation for this research. The goal of this study is twofold; compilation of a new geomorphological map of the study area and the assessment of the liquefaction susceptibility of the surficial geological units. Liquefaction susceptibility at regional scale is assessed by taking into account information dealing with the

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Nurdiansyah, F., A. D. Adi, and S. Ismanti. "Settlement Analysis in Potentially Liquifiable Soil at Kretek 2 Bridge Area." IOP Conference Series: Earth and Environmental Science 1184, no. 1 (2023): 012008. http://dx.doi.org/10.1088/1755-1315/1184/1/012008.

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Abstract The Kretek 2 Bridge is one of the important infrastructures built on the southern coast road of Java. Referring to the Map of Indonesia Liquefaction Vulnerability Zone in 2019, Kretek 2 Bridge was identified as a high liquefaction susceptibility zone. The result of liquefaction potential analysis on the slab-on-pile section indicates that the soil layer has potential to liquefy if an earthquake occurs. Based on the Liquefaction Severity Index, the slab-on-pile section of the Kretek 2 Bridge has a high severity index at BH-10, moderate severity index at BH-11, and low severity index at

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Hayati, Hossein, and Ronald D. Andrus. "Liquefaction Potential Map of Charleston, South Carolina Based on the 1886 Earthquake." Journal of Geotechnical and Geoenvironmental Engineering 134, no. 6 (2008): 815–28. http://dx.doi.org/10.1061/(asce)1090-0241(2008)134:6(815).

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Nova, Septi Devita, Ferry Fatnanta, and Muhamad Yusa. "Analisis Potensi Likuifaksi Berdasarkan Data SPT Di Kulon Progo Yogyakarta." Journal of Infrastructure and Construction Technology 1, no. 2 (2024): 52–66. http://dx.doi.org/10.56208/jictech.1.2.52-66.

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Liquefaction is a process of changing soil properties when the solid state becomes liquid caused by cyclic loads as a result of an earthquake so that the pore water pressure increases, approaching and even exceeding the magnitude of the total pressure. Liquefaction occurs due to earthquakes that occur in the area. Tectonic earthquake is one type of earthquake that can trigger liquefaction. The purpose of this study was to examine the potential for liquefaction in Kulon Progo Yogyakarta as the location of the New Yogyakarta International Airport, analyze the safety score (FS), and the value of

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Mase, Lindung Zalbuin. "Liquefaction Susceptibility Zonation in Lempuing Subdistrict, Bengkulu City, Indonesia." MEDIA KOMUNIKASI TEKNIK SIPIL 25, no. 2 (2020): 123. http://dx.doi.org/10.14710/mkts.v25i2.20840.

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Zonation of liquefaction potential is the important thing in understanding the liquefaction impact on an area. The liquefaction Severity Index (LSI) method can be applied to determine the liquefaction vulnerability level. This paper presents a study of liquefaction using LSI method to compose the liquefaction vulnerability map in a coastal area of Bengkulu City i.e., Lempuing Subdistrict. This study was conducted by analyzing CPT data in Lempuing Subdistrict to obtain the Factor of Safety and the probability of liquefaction. Peak Ground Acceleration (PGA) was assumed as 0.5g, which refers to S

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Ortiz-Hernández, Eduardo, Kervin Chunga, José Luis Pastor, and Theofilos Toulkeridis. "Assessing Susceptibility to Soil Liquefaction Using the Standard Penetration Test (SPT)—A Case Study from the City of Portoviejo, Coastal Ecuador." Land 11, no. 4 (2022): 463. http://dx.doi.org/10.3390/land11040463.

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The city of Portoviejo in coastal Ecuador was severely affected during the 16 April 2016, Pedernales earthquake (Mw 7.8). Various coseismic liquefaction phenomena occurred, inducing lateral spreading, sand boils, ground subsidence, and sinkholes in soils with poor geotechnical quality in the alluvial and alluvial–colluvial sedimentary environment. Therefore, the main aim of this study was to collect data from standard penetration tests (SPT) and shear velocity and exploratory trenches and to calculate the liquefaction potential index (LPI) by considering a corresponding seismic hazard scenario

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Siska, Deassy, Ahmad Nayan, Sofyan Sofyan, M. Fauzan, and Mukhlis Mukhlis. "Analysis Of Liquifaction Potential Using The Method Microzonation in Coastal Zone at North Aceh District." Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MICoMS) 3 (December 17, 2022): 00071. http://dx.doi.org/10.29103/micoms.v3i.240.

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Liquefaction is a natural phenomenon that occurs when previously sandy soil turns into mush as a result of an earthquake and has the potential to become a natural disaster if not anticipated early. the coastal zone of Dewantara District is included in the earthquake-prone area (referring to the results of previous studies, the value of the seismic vulnerability index is between 0.41 to 18.3 Kg, with the potential for damage caused to be medium and high risk) because most of the area is an area that has alluvial plains a wide beach and located on a tectonic route so that it is estimated that th

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