摘要
岩溶与砂土组合地层是广州地铁九号线的典型地层,给地铁九号线的建设及运营带来了较大的安全隐患,本文针对此类型地层的特殊构造,采用有限元计算软件分析底部溶洞存在时对既有隧道结构产生的影响,分析地下水变化时对隧道结构产生的影响,经过总结相关规律,可为岩溶区轨道交通的建设和保护提供依据。
Karst combined with sand formation is a typical formation of guangzhou metro line 9, bring the construction of metro line 9 and operations for greater security hidden danger. This article in view of the special structure of this type of formation, using the finite element calculation software to analyze the influence of the tunnel structure of karst cave, analysis of the impact of groundwater changes on tunnel structure, after a summary of relevant laws, to provides the reference for the construction and protection of rail transit in karst area.
出处
《建筑监督检测与造价》
2017年第2期26-32,共7页
Supervision Test and Cost of Construction
关键词
不稳定溶洞
隧道
安全
岩溶
unstable cavity
the tunnel
security
karst
