The virtual element method strength reduction technique for the stability analysis of stony soil slopes

doi:10.1016/j.compgeo.2019.103349

	The virtual element method strength reduction technique for the stability analysis of stony soil slopes
	Sun, Guanhua 4; Lin, Shan 3; Zheng, Hong 3; Tan, Yunzhi 2; Sui, Tan 1
刊名	COMPUTERS AND GEOTECHNICS
	2020-03-01
卷号	119 页码:9
关键词	Slope Virtual element method Finite element method Strength reduction
ISSN号	0266-352X
DOI	10.1016/j.compgeo.2019.103349
英文摘要	Based on the incremental method of elastic-plastic mechanics and bilinear projection operators, by combining the strength reduction method with the phi - nu inequality, this paper proposes a virtual element method strength reduction technique for slope stability analysis. The deformations of a homogeneous slope and heterogeneous slope are solved under different strength reduction factors, and the mesh dependency problem of the method is discussed. Numerical examples verify the correctness and effectiveness of the proposed method. The results demonstrate that due to the differences in the physical and mechanical properties of soil and rocks, stress becomes concentrated in the contact zone between soil and rocks, and thus, the plastic zone surrounds the rocks. Therefore, it is difficult to form regular connections in a plastic zone, such as a soil slope. This method can be used to analyse the stability of a stony soil slope and to study the effects of particle size, rock content, rock density, and rock spatial distribution on the mechanical behaviour of stony soil slopes.
资助项目	Natural Science Foundation of China[11972043] ; National Key R&D Program of China[2018YFE0100100]
WOS研究方向	Computer Science ; Engineering ; Geology
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000517663100008
内容类型	期刊论文
源URL	[http://119.78.100.198/handle/2S6PX9GI/23654]
专题	中科院武汉岩土力学所
通讯作者	Lin, Shan
作者单位	1.Univ Surrey, Dept Mech Engn Sci, Guildford GU2 7XH, Surrey, England 2.China Three Gorges Univ, Coll Civil Engn & Architecture, Yichang 443002, Peoples R China 3.Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, 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	Sun, Guanhua,Lin, Shan,Zheng, Hong,et al. The virtual element method strength reduction technique for the stability analysis of stony soil slopes[J]. COMPUTERS AND GEOTECHNICS,2020,119:9.
APA	Sun, Guanhua,Lin, Shan,Zheng, Hong,Tan, Yunzhi,&Sui, Tan.(2020).The virtual element method strength reduction technique for the stability analysis of stony soil slopes.COMPUTERS AND GEOTECHNICS,119,9.
MLA	Sun, Guanhua,et al."The virtual element method strength reduction technique for the stability analysis of stony soil slopes".COMPUTERS AND GEOTECHNICS 119(2020):9.