Regional seismic slope assessment improvements considering slope aspect and vertical ground motion
文献类型：期刊论文
| 作者 | Qin Yuqiao; Tang Hua; Deng Qin; Yin Xiaotao; Wang Dongying |
| 刊名 | ENGINEERING GEOLOGY
 |
| 出版日期 | 2019 |
| 卷号 | 259页码:- |
| 关键词 | Regional assessment Earthquake Landslide hazard Permanent displacement method |
| ISSN号 | 0013-7952 |
| DOI | 10.1016/j.enggeo.2019.105148 |
| 英文摘要 | Seismic slope stability assessments in active fault zones are very important prior to designing and constructing large engineering structures. However, in most previous regional-scale analyses, ground motion records are either used directly or replaced by empirical regression equations. In this paper, we present an improved regional seismic slope stability assessment method considering the vertical slope aspect and ground motion. Based on limit equilibrium models and finite element models, best fit equations are obtained to calculate the sliding angle and factor of safety (FOS). Then, a two-stage integration process is applied to obtain the permanent displacement. The new model has been tested in the Chenghai active fault zone, China, under a seismic precautionary intensity of 9, and the results of the new model are compared with those of traditional infinite slope models. The results show that ignoring the vertical ground motion and slope aspect leads to underestimation of co-seismic landslide hazards on regional scales, and the new model provides a more accurate index to evaluate co-seismic slope behaviours in large areas. |
| WOS研究方向 | Engineering ; Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000487567400003 |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/14887]  |
| 专题 | 岩土力学所知识全产出_期刊论文 国家重点实验室知识产出_期刊论文 |
| 作者单位 | 1.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China; 2.Univ Chinese Acad Sci, Beijing 100000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Qin Yuqiao,Tang Hua,Deng Qin,et al. Regional seismic slope assessment improvements considering slope aspect and vertical ground motion[J]. ENGINEERING GEOLOGY,2019,259:-. |
| APA | Qin Yuqiao,Tang Hua,Deng Qin,Yin Xiaotao,&Wang Dongying.(2019).Regional seismic slope assessment improvements considering slope aspect and vertical ground motion.ENGINEERING GEOLOGY,259,-. |
| MLA | Qin Yuqiao,et al."Regional seismic slope assessment improvements considering slope aspect and vertical ground motion".ENGINEERING GEOLOGY 259(2019):-. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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