摘要
通过包西通道桑树湾隧道水平岩层的施工,总结了施工方法及施工经验,探讨了有关水平岩层隧道塌方的预防措施,指出要保证水平岩层隧道的施工安全,关键在于:控制开挖进尺,加强初期支护,坚持超前地质预报,监控量测。
According to the construction of the horizontal stratum in Sangshuwan tunnel along Bao-Xi passageway,the paper sums up the construction method and experience,explores the preventive measures to the relative tunnel collapse in horizontal stratum,and points out the ways to ensure the construction safety of horizontal stratum tunnels,and the key are the control of the excavation process,improvement of primary support,the forecast report of geology and the supervision survey.
出处
《山西建筑》
2010年第4期301-302,共2页
Shanxi Architecture
关键词
隧道围岩
塌方
格栅拱架
喷锚支护
tunnel surrounding rock
collapse
grillage supporting arch
lock bolt support
