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DOI	10.1007/s11069-020-04391-0
	Effects of seismic force and pore water pressure on stability of 3D unsaturated hillslopes
	Wang L.; Liu W.; Hu W.; Li W.; Sun D.
发表日期	2021
ISSN	0921030X
起始页码	2093
结束页码	2116
卷号	105 期号:2
英文摘要	Three-dimensional (3D) kinematic limit analysis of unsaturated hillslopes is presented in this paper. Different from the traditional two-dimensional (2D) mechanism based on the infinite slope model, the 3D failure mechanism is more rational for its advantage in taking the out-of-plane geometries and soil properties into consideration. The soils in engineering practice are mostly unsaturated in nature and are commonly characterized with an arbitrary distribution of the moisture content, i.e., the matric suction, and therefore the formation of the work balance equation becomes much more elaborated using traditional methods. To tackle the nonlinear features of matric suction, a semi-analytical method is presented and is validated through comparisons with the benchmark solutions. The hillslope stability under seismic and pore water pressure conditions are both numerically studied. The results are presented in forms of graphs for a practical range of parameters, indicating the significance in accounting for the influences of 3D constraints, seismic loads and pore water pressures in hillslope stability assessments. © 2020, Springer Nature B.V.
关键词	Hillslope Limit analysis Pore water pressure Seismic force Unsaturated soil
英文关键词	hillslope; limit analysis; pore pressure; porewater; seismicity; slope stability; stability analysis; unsaturated medium
语种	英语
来源期刊	Natural Hazards
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/206645
作者单位	School of Environment and Civil Engineering, Jiangnan University, Wuxi, 214122, China; State Key Laboratory of Geohazard Prevention and Geoenvironmental Protection, Chengdu University of Technology, 1 Erxianqiao Dongsan Road, Chengdu, 610059, China; Department of Civil Engineering, Shanghai University, Shanghai, 200444, China
推荐引用方式 GB/T 7714	Wang L.,Liu W.,Hu W.,et al. Effects of seismic force and pore water pressure on stability of 3D unsaturated hillslopes[J],2021,105(2).
APA	Wang L.,Liu W.,Hu W.,Li W.,&Sun D..(2021).Effects of seismic force and pore water pressure on stability of 3D unsaturated hillslopes.Natural Hazards,105(2).
MLA	Wang L.,et al."Effects of seismic force and pore water pressure on stability of 3D unsaturated hillslopes".Natural Hazards 105.2(2021).