Surface-block identification and seismic response analysis of underground structures under complicated geological conditions

被引：0

作者：

Zhong, Denghua ^{[1
]}

Lu, Wenyan ^{[1
]}

Liu, Jie ^{[2
]}

Tong, Dawei ^{[1
]}

机构：

[1] State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University

[2] Water Transport Planning and Design Company Limited

来源：

Tianjin Daxue Xuebao (Ziran Kexue yu Gongcheng Jishu Ban)/Journal of Tianjin University Science and Technology | 2014年 / 47卷 / 06期

关键词：

Complicated geological condition; Earthquake; Surface-block; Underground structures;

D O I：

10.11784/tdxbz201206006

中图分类号：

学科分类号：

摘要：

In recent years, lots of large underground structures were built and many underground structures suffered from earthquake. Therefore, the issues of the dynamic response of underground structures and engineering safety have attracted more and more attentions. Local block stability is a key issue in controlling the stability of underground structures, and the study on the seismic response of block is of vital significance. According to the fact that there are many complex geological surfaces around underground structures, the identification theorems and seismic response analysis theory of surface-block are presented in this paper. Random fissure surface generation based on 3D geological model and its dynamic check technology are also studied. A modified Newmark method-Hilber-Hughes-Tayor algorithm is used to analyze the seismic response of surface-block under complicated geological conditions. The whole theory method is applied to a hydropower project in southwest China.

引用

页码：471 / 478

页数：7

共 16 条

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