摘要
介绍了鹤峰县母山泄洪隧洞出口洞段发生塌方冒顶,进口洞段岩体软弱破碎且顶部围岩较薄,开挖时掉块严重等情况及采取的相应处理措施。结果表明:所采取的工程处理措施是有效的。
This paper described Mushan flood discharge tunnel in Hefeng County: in the outlet section of the tunnel occurred rock slide and roof caving,and there was serious rockfall during the excavation owing to the soft broken rockmass and the thin top rock layer in the inlet section.Some corresponding treatment measures were taken.The results indicated that the applied treatment measures were available.
出处
《水电与新能源》
2011年第3期25-26,共2页
Hydropower and New Energy
关键词
隧洞
施工
处理措施
tunnel
construction
treatment measures