小湾水电站地下厂房洞室群围岩稳定分析

Surrounding Rock Stability Analysis of Xiaowan Hydropower Project Underground Powerhouse Chambers

本文重点介绍了小湾水电站地下厂房洞室群不同开挖程序围岩的稳定。爆破震动对围岩的动力影响 ,不同支护方案洞室稳定情况及围岩支护的建议 ,可供小湾水电站及类同地下厂房设计。

This paper focuses on the presentation of the stability study of the surrounding rocks of a group of the Xiaowan hydropower project underground powerhouse chambers under different excavation processes, the dynamic effects on the surrounding rocks of blasting vibration, the stability condition of the chambers w ith different supporting systems, and the recommendations for providing support of the surrounding rocks.