隧道软弱围岩施工方法探讨

Construction Method of Weak Surrounding Rock of Tunnel

随着隧道施工中软弱围岩所占的比例逐步提高,软弱围岩施工所面临的沉降、收敛等变形问题越来越常见。因此对软弱围岩隧道采取正确的施工方法是隧道施工的重点环节。以马垭口隧道工程实例为背景,对软弱围岩隧道病害特点及施工方法进行探讨。通过采取有效措施前后的监测数据对比,验证了治理措施的有效性,可为今后隧道的施工提供一定的参考。

Along with the. increase of weak surrounding rock in tunnel construction, settlement, constringency and other deformation problems are more and more common. Therefore, the correct construction method of weak surrounding rock is the key of tunnel construction. Taking Mayakou Tunnel as an example, the disease properties and construction method of weak surrounding rock tunnel are discussed. By comparing the monitoring data obtained before and after effective measures are adopted, the validity of treatment measures is validated, which can provide some reference for tunnel construction in future.