Slope stability analysis of landslide in Wayang Windu Geothermal Field, Pangalengan, West Java']Java Province, Indonesia

被引：0
|
作者：
Yuhendar, A. H. [1 ]
Wusqa, U. [1 ]
Kartiko, R. D. [1 ]
Raya, N. R. [1 ]
Misbahudin [2 ]
机构：
[1] Siaga Bencana Untuk Masyarakat Indonesia Si BUMI, Komplek Bumi Sariwangi 1 M-14, Bandung 40559, Indonesia
[2] Inst Teknol Bandung, Fac Earth Sci & Technol, Engn Geol Lab, Bandung 40132, Indonesia
来源：
5TH INTERNATIONAL SYMPOSIUM ON EARTHHAZARD AND DISASTER MITIGATION | 2016年 / 1730卷
关键词：
D O I：
10.1063/1.4947412
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Large-scale landslide occurred in Margamukti village, Pangalengan, Bandung Regency, West Java Province, Indonesia. The landslide damaged geothermal gas pipeline along 300 m in Wayang Windu Geothermal Field. Based on field observation, landslide occured in rotational sliding movement. Laboratory analysis were conducted to obtain the characteristics of the soil. Based on the condition of the landslide in this area, the Factor of Safety can be simulated by the soil mechanics approach. Factor of safety analysis based on soil cohesion and internal friction angle was conducted using manual sensitivity analysis for back analysis. The analysis resulted soil cohesion in critical condition (FS<1) is 6.01 kPa. This value is smaller than cohesion of undisturbed slope soil sample. Water from rainfall is the most important instability factors in research area. Because it decreases cohesion in soils and increases weight and pore water pressure in granular media.
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页数：7
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