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Cumulative Liquefaction Susceptibility Index to Estimate Integrated Liquefaction at Bengkulu City, Indonesia
Teluk Segara and Sungai Serut in Bengkulu City are significantly developed districts. This paper presents a liquefaction vulnerability map for the housing areas. The geophysical and geotechnical data for the study area are collected. A semi-empirical analysis is performed to estimate the liquefaction potential. The liquefaction potential index is estimated. The maps describing geophysical characteristics, liquefaction, and seismic vulnerabilities are discussed. The results showed that the study area could undergo moderate to strong motion during the most significant earthquake in Bengkulu City. It can trigger liquefaction in areas near the river dominated by sandy soils. The integrated weighted factor method, called the cumulative liquefaction susceptibility (CLSI), is proposed to estimate the level of liquefaction susceptibility. The factor considered several parameters such as liquefaction potential index, peak ground acceleration, seismic vulnerability, and site classification. The result shows that the study area is characterised as moderate liquefaction susceptibility. The integrated method can be implemented to understand liquefaction quantification in engineering practice better.
Cumulative Liquefaction Susceptibility Index to Estimate Integrated Liquefaction at Bengkulu City, Indonesia
Teluk Segara and Sungai Serut in Bengkulu City are significantly developed districts. This paper presents a liquefaction vulnerability map for the housing areas. The geophysical and geotechnical data for the study area are collected. A semi-empirical analysis is performed to estimate the liquefaction potential. The liquefaction potential index is estimated. The maps describing geophysical characteristics, liquefaction, and seismic vulnerabilities are discussed. The results showed that the study area could undergo moderate to strong motion during the most significant earthquake in Bengkulu City. It can trigger liquefaction in areas near the river dominated by sandy soils. The integrated weighted factor method, called the cumulative liquefaction susceptibility (CLSI), is proposed to estimate the level of liquefaction susceptibility. The factor considered several parameters such as liquefaction potential index, peak ground acceleration, seismic vulnerability, and site classification. The result shows that the study area is characterised as moderate liquefaction susceptibility. The integrated method can be implemented to understand liquefaction quantification in engineering practice better.
Cumulative Liquefaction Susceptibility Index to Estimate Integrated Liquefaction at Bengkulu City, Indonesia
Transp. Infrastruct. Geotech.
Mase, Lindung Zalbuin (author)
Transportation Infrastructure Geotechnology ; 11 ; 3496-3529
2024-10-01
34 pages
Article (Journal)
Electronic Resource
English
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