Impact of rock excavation on the slope stability of permanent shiplock of Three Gorges Project on Yangtze River, China

被引：0
|
作者：
Wang, SJ [1 ]
Zhang, JM [1 ]
Huang, ZQ [1 ]
Han, BC [1 ]
机构：
[1] Chinese Acad Sci, Inst Geol, Beijing, Peoples R China
来源：
EIGHTH INTERNATIONAL CONGRESS INTERNATIONAL ASSOCIATION FOR ENGINEERING GEOLOGY AND THE ENVIRONMENT, PROCEEDINGS, VOL 6 | 2000年
关键词：
D O I：
暂无
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
This paper deals with the study for evaluating the impact of rock excavation on the slope stability of permanent shiplock of Three Gorges Project on Yangtze River, China. The thickness of loosening zone is relatively small (5-6m) and rock quality is slightly reduced and belonging to category II (62%)+III(38%) in a scheme of 5 classes in Chinese National Rock standard. The maximal horizontal displacement measured for excavation in depth of 90m reached only 20-30mm, which proves that the stability of slope is relatively high and its safety can be ensured in the construction.
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页码：4091 / 4096
页数：4
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