Microtremor survey and stability analysis of a soil-rock mixture landslide: a case study in Baidian town, China

doi:10.1007/s10346-018-1009-x

CORC > 地质与地球物理研究所 > 中国科学院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

	Microtremor survey and stability analysis of a soil-rock mixture landslide: a case study in Baidian town, China
	Gao, Wen-wei 1,2,3; Gao, Wei 1,2,3; Hu, Rui-lin 1,2,3; Xu, Pei-fen 1,2,3; Xia, Jia-guo 4
刊名	LANDSLIDES
	2018-10-01
卷号	15 期号:10 页码:1951-1961
关键词	Soil-rock mixtures Microtremor survey method Numerical method Factor of safety
ISSN号	1612-510X
DOI	10.1007/s10346-018-1009-x
英文摘要	Soil-rock mixtures (S-RM) are widely distributed in mountainous regions, and there are different genetic types and scales of S-RM slopes. The stability of these slopes is very important for slope safety during the construction and operation of engineering projects. Since the mechanical properties of an S-RM are mainly dominated by its random component, accurately investigating the structure of an S-RM slope is the fundamental basis for evaluating the mechanism of a landslide. In this paper, in situ direct shear tests are used to obtain the "soil" strength parameters of the S-RM, the microtremor survey method (MSM) is introduced to detect the S-RM slope and the numerical method of FEM is utilised to simulate the failure characteristics and stability of the S-RM slope. Based on the MSM, the strata structure and proportions of solitary rock blocks in the S-RM slope are investigated, and three possible models of the S-RM slope are established. By using the strength reduction method in numerical simulations, the potential failure surface and stability of a slope of homogeneous soil and that with solitary rock blocks are discussed. The study results show that the MSM is an effective method to estimate the proportion of rock blocks in the S-RM slope. The presence of solitary rock blocks makes the slope potential slide surface complicated. The factor of safety of the S-RM slope is higher than that of the homogeneous soil slope, the rock blocks at the toe of the slope are favourable for slope stability and the rock blocks near the surface of the slope squeeze the lower soil and improve the safety factor of the slope.
资助项目	National Natural Science Foundation of China[41330643]
WOS关键词	SURFACE-WAVE METHOD ; SLOPE ; STRENGTH ; TESTS ; DEPOSITS ; STATE ; AREA
WOS研究方向	Engineering ; Geology
语种	英语
出版者	SPRINGER HEIDELBERG
WOS记录号	WOS:000444120100005
资助机构	National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/88554]
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	Gao, Wei
作者单位	1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.China Nucl Power Engn Co LTD, Beijing 100840, Peoples R China
推荐引用方式 GB/T 7714	Gao, Wen-wei,Gao, Wei,Hu, Rui-lin,et al. Microtremor survey and stability analysis of a soil-rock mixture landslide: a case study in Baidian town, China[J]. LANDSLIDES,2018,15(10):1951-1961.
APA	Gao, Wen-wei,Gao, Wei,Hu, Rui-lin,Xu, Pei-fen,&Xia, Jia-guo.(2018).Microtremor survey and stability analysis of a soil-rock mixture landslide: a case study in Baidian town, China.LANDSLIDES,15(10),1951-1961.
MLA	Gao, Wen-wei,et al."Microtremor survey and stability analysis of a soil-rock mixture landslide: a case study in Baidian town, China".LANDSLIDES 15.10(2018):1951-1961.