Evaluation of dynamic stability and analysis of reinforcement measures of a landslide under seismic action: a case study on the Yanyangcun landslide
文献类型：期刊论文
| 作者 | Fu, Xiaodong2,3,4; Sheng, Qian3,4; Du, Wenjie3,4; Mei, Hongru2,4; Chen, He1,4; Du, Yuxiang3,4 |
| 刊名 | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT
 |
| 出版日期 | 2020-02-28 |
| 页码 | 16 |
| 关键词 | Landslide Earthquake Dynamic stability Progressive failure process Locking effect Reinforcement measures |
| ISSN号 | 1435-9529 |
| DOI | 10.1007/s10064-020-01745-7 |
| 英文摘要 | Earthquakes are a major landslide trigger, and evaluation of the dynamic stability of landslides under seismic action is very important. The Yanyangcun landslide, which is located at route marker K92 of the Xianggelila to Lijiang expressway in Yunnan Province, China, was chosen as a case study. Using the three-dimensional finite difference method and the unbalanced thrust method, three mechanical indices of the sliding zone, including the volume ratio of the elastic or plastic elements, the permanent displacement, and the residual thrusts of the slices, were calculated to evaluate the progressive failure and dynamic stability of the landslide when exposed to different intensities of seismicity. The safety factor of the landslide with reinforcement measures was also assessed. The critical peak seismic acceleration was about 2.29 m/s(2), between earthquake intensity of VIII degree and IX degree. The landslide experienced progressive failure by means of shear at the leading edge, tension at the trailing edge, and immobilization of the middle part. The middle part of the sliding zone underwent a "locking effect," which could effectively resist the immobilization of the plastic zones of the leading edge and the trailing edge. With reinforcement measures, the dynamic stability of the landslide under VIII degree and IX degree events satisfied the allowable safety factor of the local specifications. The results provide guidance for disaster prevention and aseismic design for the Yanyangcun landslide, and can also be used as reference information for dynamic stability evaluation of other landslides threatened by earthquakes. |
| 资助项目 | National Natural Science Foundation of China[51779250] ; International Partnership Program of the Chinese Academy of Sciences[131551KYSB20180042] ; Traffic Science, Technology and Education Project of Yunnan Province (2017)[33] |
| WOS研究方向 | Engineering ; Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000517019800001 |
| 出版者 | SPRINGER HEIDELBERG |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/23608]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Fu, Xiaodong |
| 作者单位 | 1.Broadvis Engn Consultants, Natl Engn Lab Surface Transportat Weather Impact, Kunming 650041, Yunnan, Peoples R China 2.Hubei Univ Technol, Sch Civil Engn Architecture & Environm, Wuhan 430071, Peoples R China 3.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 4.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China |
| 推荐引用方式 GB/T 7714 | Fu, Xiaodong,Sheng, Qian,Du, Wenjie,et al. Evaluation of dynamic stability and analysis of reinforcement measures of a landslide under seismic action: a case study on the Yanyangcun landslide[J]. BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,2020:16. |
| APA | Fu, Xiaodong,Sheng, Qian,Du, Wenjie,Mei, Hongru,Chen, He,&Du, Yuxiang.(2020).Evaluation of dynamic stability and analysis of reinforcement measures of a landslide under seismic action: a case study on the Yanyangcun landslide.BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,16. |
| MLA | Fu, Xiaodong,et al."Evaluation of dynamic stability and analysis of reinforcement measures of a landslide under seismic action: a case study on the Yanyangcun landslide".BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT (2020):16. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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