摘要
北京地铁10号线角门西站明挖基坑深达30m,主体结构内有2层潜水,地质为砂卵石,透水性很好,每天涌水量达100000m3,施工降水难度很大。文章结合该工程降水施工实践,对工程地质和水文情况进行分析,提出降排水方案及配套的措施。并对方案执行情况及对实施过程中遇到的一些问题加以分析,制定解决方案,以期与同行探讨,供类似工程借鉴。
The geological and hydrological conditions of open-cut foundation pit project of Jiaomen West Station in Beijing metro Line 10 are analyzed.The dewatering and drainage scheme and its supporting measures are presented.The executive conditions for scheme as well as the problems encountered in implementation are analyzed,and the solution is set.
出处
《现代城市轨道交通》
2011年第3期58-61,118,共4页
Modern Urban Transit