Seismic Response Analysis Method for Lining Structure in Underground Cavern of Hydropower Station

被引：8
|
作者：
Zhou, Hao [1 ]
Xiao, Ming [2 ]
Yang, Yang [1 ]
Liu, Guoqing [2 ]
机构：
[1] Changjiang Inst Survey Planning Design & Res, Wuhan 430010, Hubei, Peoples R China
[2] Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan 430072, Hubei, Peoples R China
来源：
KSCE JOURNAL OF CIVIL ENGINEERING | 2019年 / 23卷 / 03期
基金：
中国国家自然科学基金;
关键词：
underground powerhouse; lining structure; shear strength model; numerical simulation method; characteristics of seismic damage; damping design of lining structure; ROCK JOINTS; SHEAR-STRENGTH; FRICTION; BEHAVIOR;
D O I：
10.1007/s12205-019-0479-2
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Based on the analysis of joint shear test, the complex shear strength model of the interface between surrounding rock and lining structure, considering the interfacial bonding characteristics, shear failure mechanism and seismic dynamic deterioration effect, is established. And based on the dynamic contact force method, the dynamic calculation method of contact surface is presented, which is suitable for the dynamic analysis of the contact system between surrounding rock and lining of underground powerhouse. Then the dynamic numerical simulation method for the lining structure of underground powerhouse is formed by coupling the complex shear strength model with the dynamic calculation method of the contact surface. By using this method and based on the independently developed dynamic calculation platform of underground powerhouse, the evolution process and characteristics of seismic damage of lining structure of Yingxiuwan underground powerhouse are studied. At the same time, the numerical simulation analysis is carried out on the vibration damping measures of the lining structure. The results shows that the dynamic numerical simulation method for lining structure is effective and reasonable. In addition, the idea on the aseismic design of lining structure of underground powerhouse is put forward.
引用
收藏
页码：1236 / 1247
页数：12
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