摘要
沙坪水电站地下引水隧洞围岩主要为砂泥岩，本文主要介绍了施工过程中存在的主要安全隐患及处理措施，并为砂泥岩地区地下洞室设计提供相关经验。
The surrounding rocks of conduit tunnels are mainly silt -mudstone; this paper describes the main safety latent dangers and treatment measures of underground cavities of Shaping Hydropower Station during the construction period, offers related experience for underground cavity design in silt- mudstone area.
关键词
引水隧洞
砂泥岩
施工期安全
处理措施
conduit tunnel
silt -mudstone
safety during construction period
treatment measure
