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A dynamic model for rapid startup of high-speed landslides based on the mechanism of friction-induced thermal pressurization considering vaporization

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成果类型:
期刊论文
作者:
Zhao, Nenghao*;Zhang, Rongtang*;Yan, Echuan;He, Xiang;Liu, Jiesheng
通讯作者:
Zhao, Nenghao;Zhang, Rongtang
作者机构:
[He, Xiang; Liu, Jiesheng; Zhao, Nenghao; Zhang, Rongtang] Wuhan Polytech Univ, Sch Civil Engn & Architecture, Xuefu South Rd, Wuhan 430023, Peoples R China.
[Yan, Echuan] China Univ Geosci, Fac Engn, Lumo Rd, Wuhan 430074, Peoples R China.
通讯机构:
[Zhao, NH; Zhang, RT] W
Wuhan Polytech Univ, Sch Civil Engn & Architecture, Xuefu South Rd, Wuhan 430023, Peoples R China.
语种:
英文
关键词:
High-speed landslides;Dynamic model;Shear band;Thermal pressurization;Vaporization
期刊:
Landslides
ISSN:
1612-510X
年:
2020
卷:
17
期:
7
页码:
1545-1560
基金类别:
National Natural Science Foundation of ChinaNational Natural Science Foundation of China [41672313]
机构署名:
本校为第一且通讯机构
院系归属:
土木工程与建筑学院
摘要:
The friction-induced thermal pressurization mechanism in the shear band is an important reason for the transition of motion state of landslides from creeping to high-speed sliding during their initial startup phase. In this paper, a dynamic model for the startup phase of high-speed landslides with thermo-hydro-vapor-mechanical (THVM) coupling in shear band is established and applied to the Vaiont landslide for case study. The model consists of three governing equations: the equation of motion controls the motion of the overlying slide mass, the...

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