顶山软岩隧洞施工及安全监测

软弱破碎岩体中开挖隧洞,确保施工安全是一个难点.项山特软岩地层中隧洞开挖,采用了以围岩变形监测为主的信息技术.适时根据监测信息对施工方法、一次支护参数及永久衬砌结构设计进行调整和优化,使得该工程施工既保证了安全,又节省了投资并取得了工程建设质量优良的效果.

Safety monitoring and construction of Dingshan soft rock tunnel

Such difficulty in tunnel excavation in soft and crumble rocks is to ensure the security of the construction. During the excavation in Dingshan, the strata of which are consisted of soft and crumble rock, it has taken the main information technique of monitoring the deformation in adjacent rock. According to the monitored information, it has timely adjusted and optimized the constructing means, the parameter of one time support and the permanent lining structure. Finally, it has guaranteed the construction ...