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  2. 地质与地球物理研究所
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  4. 中国科学院页岩气与地质工程重点实验室
Dynamic response characteristics and instability criteria of a slope with a middle locked segment

文献类型：期刊论文

作者Dong, Jinyu4; Wang, Chuang4; Huang, Zhiquan1; Yang, Jihong4; Xue, Lei2,3
刊名SOIL DYNAMICS AND EARTHQUAKE ENGINEERING
出版日期2021-11-01
卷号150页码:13
关键词Middle locked segment slope Large-scale shaking table Excitation parameters Acceleration amplification factor Failure mode Instability criterion
ISSN号0267-7261
DOI10.1016/j.soildyn.2021.106899
英文摘要Stability prediction of rock slopes under seismic loads is important for landslide hazard assessment. For this work we designed and built a model of a slope with a middle locked segment. To investigate its dynamic response characteristics and instability criteria under the influence of an earthquake, comparative experiments on a largescale shaking table were performed. The results show that the acceleration amplification factor within the model slope is clearly amplified by elevation and surface proximity. There are large differences in the acceleration response for a slope experiencing different types of input wave. The acceleration amplification factor first increases then decreases with the increase of input wave frequency, reaching a maximum value when the frequency is 20 Hz. A similar trend is observed with increasing input wave amplitude; the acceleration amplification factor of the slope generally increases then decreases as the amplitude increases. During the experiments, several cracks form and propagate in the locked segment between the prefabricated crack at the top and the weak interlayer at the bottom. These cracks develop continuously, coalescence into X-shapes, and finally form three sliding surfaces inside the slope. Under continuous vibration, the slope will slide along the three sliding surfaces. Based on cusp catastrophe theory and the experimental data, the relevant instability criteria are established. The critical acceleration amplitude of the dynamic instability of the slope is quantitatively determined to be 0.5 g.
WOS关键词CUSP CATASTROPHE MODEL ; BEDDING ROCK SLOPE ; SHAKING TABLE TEST ; SEISMIC RESPONSE ; FAILURE MODE ; NEAR-FAULT ; EARTHQUAKE ; STABILITY ; MECHANISM ; SOUTHWEST
资助项目National Key Research and Development Project of China[2019YFC1509704] ; National Natural Science Foundation of China[U1704243] ; National Natural Science Foundation of China[41741019] ; National Natural Science Foundation of China[41977249] ; National Natural Science Foundation of China[42090052] ; Henan Province Science and technology research project[192102310006] ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences[KLSG201709] ; Central Plains Science and Technology Innovation Leader Project[214200510030]
WOS研究方向Engineering ; Geology
语种英语
WOS记录号WOS:000701854800002
出版者ELSEVIER SCI LTD
资助机构National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Henan Province Science and technology research project ; Henan Province Science and technology research project ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Central Plains Science and Technology Innovation Leader Project ; Central Plains Science and Technology Innovation Leader Project ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Henan Province Science and technology research project ; Henan Province Science and technology research project ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Central Plains Science and Technology Innovation Leader Project ; Central Plains Science and Technology Innovation Leader Project ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Henan Province Science and technology research project ; Henan Province Science and technology research project ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Central Plains Science and Technology Innovation Leader Project ; Central Plains Science and Technology Innovation Leader Project ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Henan Province Science and technology research project ; Henan Province Science and technology research project ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Central Plains Science and Technology Innovation Leader Project ; Central Plains Science and Technology Innovation Leader Project
源URL[http://ir.iggcas.ac.cn/handle/132A11/102720]  
专题地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
通讯作者Wang, Chuang
作者单位1.Luoyang Inst Sci & Technol, Luoyang 471023, Peoples R China
2.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
4.North China Univ Water Resources & Elect Power, Res Inst Geotech Engn & Hydraul Struct, Zhengzhou 450046, Peoples R China
推荐引用方式
GB/T 7714		 Dong, Jinyu,Wang, Chuang,Huang, Zhiquan,et al. Dynamic response characteristics and instability criteria of a slope with a middle locked segment[J]. SOIL DYNAMICS AND EARTHQUAKE ENGINEERING,2021,150:13.
APA Dong, Jinyu,Wang, Chuang,Huang, Zhiquan,Yang, Jihong,&Xue, Lei.(2021).Dynamic response characteristics and instability criteria of a slope with a middle locked segment.SOIL DYNAMICS AND EARTHQUAKE ENGINEERING,150,13.
MLA Dong, Jinyu,et al."Dynamic response characteristics and instability criteria of a slope with a middle locked segment".SOIL DYNAMICS AND EARTHQUAKE ENGINEERING 150(2021):13.

入库方式： OAI收割

来源：地质与地球物理研究所

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