IMHE OpenIR  > 山地灾害与地表过程重点实验室
Alternative TitleShear dilatancy mechanism and process simulation of rapid sliding of saturated loose deposits
何子露1; 刘威2; 何思明2,3; 闫帅星2,4
Source Publication岩土力学
Contribution Rank2
Other AbstractThe saturated loose deposits formed by engineering waste and earthquake landslide deposits under rainfall conditions have strong mobility, their movement speeds are fast, and the damage scopes are larger than expected. Their internal mechanisms have always been a hot research issue in international academic circles. In this paper, the saturated deposit shear dilatancy model constructed by Iverson based on the limit state soil mechanics principle is integrated into the physical model of the Savage-Hutter slide motion physical model. The finite volume method is used to solve the landslide kinetic equations and achieve full simulation of the motion evolution of the saturated loose accumulation body. Finally, a back in-situ analysis of the catastrophic construction solid waste landslide that occurred in Shenzhen in December 2015 is presented and evolution process of the landslide is reproduced. The results show that the dilatancy effect is the main reason for rapid movement of the saturated loose accumulation bodies and the initial state (void ratio or volume fraction of solid phase) of the saturated loose deposit has a crucial influence on its motion-accumulation evolution process.
Keyword饱和松散堆积体 剪胀 运动 物理模型 计算模拟
Indexed ByEI ; CSCD
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author何思明
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
何子露,刘威,何思明,等. 饱和松散堆积体快速滑动的剪胀效应机制与过程模拟[J]. 岩土力学,2019,40(6):2389-2396.
APA 何子露,刘威,何思明,&闫帅星.(2019).饱和松散堆积体快速滑动的剪胀效应机制与过程模拟.岩土力学,40(6),2389-2396.
MLA 何子露,et al."饱和松散堆积体快速滑动的剪胀效应机制与过程模拟".岩土力学 40.6(2019):2389-2396.
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