路基工程Issue(6)：169-173,188,6.DOI:10.13379/j.issn.1003-8825.2017.06.35
某水电站碎裂松动岩体形成机制及稳定性分析
Analysis on Formation Mechanism and Stability of Cataclastic Loose Rock Mass in a Hydropower Station
苟晓峰 1邓辉 1邹俊1
作者信息
- 1. 成都理工大学地质灾害防治与地质灾害保护国家重点实验室,成都610059
- 折叠
摘要
Abstract
The cataclastic loose rock mass is defined as having a cataclastic structure and each structure surfaces are open,the cataclastic and loose features of which have great effects on the long-term stability of engineering construction.Through the detailed field geological survey,the hosting geological conditions and signs of deformation and failure of the cataclastic loose rock mass are studied,and the formation mechanism is analyzed in three aspects:unloading,freeze-thaw cycle and earthquake.By simulating the stability of the cataclastic loose rock mass under various operating conditions by universal distinct element code,it is found that the seismic action has an greater influence on the stability of the cataclastic loose rock mass than heavy rain,and in heavy rain conditions,the damage of rock mass is from down to top,while in the condition of earthquake,rock mass collapse first,then integral slide occurs.关键词
碎裂松动岩体/变形过程/成因机制/离散元UDECKey words
cataclastic loose rock mass/deformation process/formation mechanism/UDEC分类
建筑与水利引用本文复制引用
苟晓峰,邓辉,邹俊..某水电站碎裂松动岩体形成机制及稳定性分析[J].路基工程,2017,(6):169-173,188,6.
