Probabilistic stability analysis of a layered slope considering multi-factors in spatially variable soils
文献类型：期刊论文
| 作者 | Zhang, Wengang1; Ran, Bo1; Gu, Xin1; Sun, Guanhua3; Zou, Yulin2 |
| 刊名 | NATURAL HAZARDS
 |
| 出版日期 | 2024-05-09 |
| 页码 | 30 |
| 关键词 | Reliability analysis Spatial variability Layered slope Multiple influential factors Failure probability |
| ISSN号 | 0921-030X |
| DOI | 10.1007/s11069-024-06640-y |
| 英文摘要 | Landslide is a disastrous geological hazard in the Three Gorges Reservoir (TGR) area of China. In this study, random limit equilibrium analysis is conducted to assess a layered slope stability influenced by multi-factors in spatially variable soils, where the effects of earthquake, reservoir water level drawdown and rainfall are investigated, and possible failure modes and failure paths are identified. Furthermore, some sensitive analysis is performed to investigate the effects of the spatial variability of soil properties, water level drawdown velocity, rainfall intensity and pattern. Results show that the layered slope under complex working conditions exhibits the shallow failure modes, and the sliding surfaces are mainly located at the interface between soil layers. Meanwhile, the shear strength parameters in the shallow depth plays a crucial role in the layered slope failure probability. The earthquake has a prominent effect on slope stability, followed by reservoir water level drawdown and rainfall infiltration. The probability of failure under the combined effects of earthquake and other factors (e.g., 23.5%, 31.4% and 44.6%) is significantly higher than under the combined effects of rainfall and water level drawdown (e.g., 15.9%). Moreover, it can be found that the spatial variability of soil properties, water level drawdown velocity, rainfall intensity and pattern have essential impacts on the slope failure probability. |
| 资助项目 | Science and Technology Research Program of Chongqing Municipal Education Commission ; Graduate Research and Innovation Foundation of Chongqing, China[CYS22054] ; Sichuan Yanjiang Panning Expressway Co., Ltd[2018-ZL-01] ; National Natural Science Foundation of China[U2268213] ; [HZ2021001] |
| WOS研究方向 | Geology ; Meteorology & Atmospheric Sciences ; Water Resources |
| 语种 | 英语 |
| WOS记录号 | WOS:001220729900008 |
| 出版者 | SPRINGER |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/41370]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Gu, Xin |
| 作者单位 | 1.Chongqing Univ, Sch Civil Engn, Chongqing 400045, Peoples R China 2.Sichuan Yanjiang Panzhihua Ningnan Expressway Co L, Panzhihua 617112, Sichuan, Peoples R China 3.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Wengang,Ran, Bo,Gu, Xin,et al. Probabilistic stability analysis of a layered slope considering multi-factors in spatially variable soils[J]. NATURAL HAZARDS,2024:30. |
| APA | Zhang, Wengang,Ran, Bo,Gu, Xin,Sun, Guanhua,&Zou, Yulin.(2024).Probabilistic stability analysis of a layered slope considering multi-factors in spatially variable soils.NATURAL HAZARDS,30. |
| MLA | Zhang, Wengang,et al."Probabilistic stability analysis of a layered slope considering multi-factors in spatially variable soils".NATURAL HAZARDS (2024):30. |
入库方式： OAI收割
来源：武汉岩土力学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。