富水地层区域地铁车站深基坑方案的设计与应用  

Design and Application of Deep Foundation Pit for Subway Stations in Rich Water Strata Areas

作　　者：王国喜 WANG Guoxi(Guangzhou Metro Design&Research Institute Co.,Ltd.,Guangzhou 510030)

机构地区：[1]广州地铁设计研究院股份有限公司,广东广州510030

出　　处：《福建建筑》2025年第1期51-55,共5页Fujian Architecture & Construction

摘　　要：富水地层区域由于富含地下水,涌水量比较大,具有较高的施工风险和环境风险,基坑设计方案应结合项目实际进行设计。为此,首先分析拟建车站的地层情况、地下水位情况和周边环境情况,针对开挖过程存在地下水位高的特点,提出基坑围护结构的设计方案。为了解决基坑承压水的问题,提出三种不同承压水处理方案。在对比不同方案优缺点的基础上,引入有限元分析软件对施工过程对环境的影响进行分析,最终确定深层水平封底方案作为最终项目实施方案。The rich water formation area,due to its abundant groundwater and relatively large water inflow,has high construction and environmental risks.The foundation pit design scheme should be combined with the actual project design.Firstly,the geological conditions,groundwater level,and surrounding environment of the proposed station were introduced.In response to the high groundwater level during excavation,a design scheme for the foundation pit enclosure structure was proposed.In order to solve the problem of confined water in foundation pits,three different confined water treatment schemes are proposed.Based on the comparison of the advantages and disadvantages of different schemes,finite element analysis software is introduced to analyze the impact of the construction process on the environment.The final implementation plan for the project will be the deep horizontal bottom sealing scheme.

关 键 词：基坑方案 承压水 富水地区 有限元 

分 类 号：TU4[建筑科学—土工工程]