| Issue |
E3S Web Conf.
Volume 464, 2023
The 2nd International Conference on Disaster Mitigation and Management (2nd ICDMM 2023)
|
|
|---|---|---|
| Article Number | 01015 | |
| Number of page(s) | 5 | |
| Section | Disaster Monitoring and Mitigation | |
| DOI | https://doi.org/10.1051/e3sconf/202346401015 | |
| Published online | 18 December 2023 | |
The effect of geological characteristics and earthquakes on natural slope stability analysis in landslide modeling using static and pseudostatic methods in Cianjur Area, West Bandung, Indonesia
1 Research Center for Geological Disaster, ORKM – National Research and Innovation Agency, Indonesia
2 Research Center for Electronics, OREI – National Research and Innovation Agency, Indonesia
3 Research Center for Mining Technology, ORNM – National Research and Innovation Agency, Indonesia
4 Faculty of Geological Engineering, Universitas Padjadjaran, Indonesia
* Corresponding author: khorisugianti@gmail.com
The earthquake in Cianjur occurred on Monday, November 21, 2022. The epicenter was in Cugenang Subdistrict, Cianjur District, West Java Province. Cianjur is an area that is susceptible to landslides, which can be triggered by high rainfall and earthquake shocks. The Cianjur earthquake caused collateral hazard landslides that occurred in several locations. Based on the static and pseudo-static analysis, the pseudo-static analysis will provide information on how much the slope safety number decreases when earthquake loads are applied. This study aims (1) to calculate the safety factor value (SF) of slopes under static and pseudo-static conditions to assess the stability of the natural slope and (2) to determine the influence of geological characteristics and the Cianjur earthquake on slope stability analysis in landslides in Cianjur and its surroundings. Slope stability analysis was carried out using static and pseudo-static methods. This research result shows that the condition of the slopes of the study area before the earthquake occurred was in safe condition. The condition of the slopes in the study area experienced a decrease in the safety value of the slope from natural conditions to increased loads or earthquake shaking.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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