高地应力地下厂房洞室群围岩稳定分析  

Stability Analysis of Surrounding Rocks of Underground Powerhouse Complex under High In-situ Stress

作　　者：张罗彬[1] 李治国[1] 刘畅[1] 

机构地区：[1]中国水电顾问集团成都勘测设计研究院,四川成都610072

出　　处：《四川水力发电》2012年第2期113-116,280,共4页Sichuan Hydropower

摘　　要：通过对某水电站地下厂房洞室群围岩稳定数值计算及模型试验成果分析,初步探讨了高地应力条件下深埋地下洞室脆性围岩的破坏特性、洞室稳定性分析方法及支护设计要点。Based on the stability analysis of numerical calculation and model test results of surrounding rocks of underground powerhouse complex at Shuangjiangkou hydropower station on Dadu river,the failure characteristics of brittle surrounding rocks of deep underground cavern under high in-situ stress,cavern stability analysis methods and support designs are presented.

关 键 词：高地应力 地下洞室群 稳定分析 能量释放率 模型试验 

分 类 号：TV554[水利工程—水利水电工程] P315.72[天文地球—地震学]