盾构井开挖施工的涌水问题及防治措施研究  

Research on Water Gushing Problems and Prevention and Control Measures in Shield Well Excavation Construction

作　　者：陈文杰 唐珮珊 Chen Wenjie;Tang Peishan(Guangdong Hydropower Planning&Design Institute Co.,Ltd.,Guangzhou 510635,Guangdong;Chongqing University,Chongqing 400045,China)

机构地区：[1]广东省水利电力勘测设计研究院有限公司,广东广州510635 [2]重庆大学,重庆400045

出　　处：《陕西水利》2025年第4期130-133,共4页Shaanxi Water Resources

摘　　要：富水区复杂地质条件下盾构井开挖施工涌水风险大,采用有效的防渗措施对深基坑开挖至关重要。以珠三角水资源配置工程的LG09-1#盾构井为例,基于该盾构井在开挖过程中的涌水及周边地面沉降情况,对其地质条件、施工技术和监测数据进行分析,探究井内涌水问题产生的主要原因,提出防治措施建议,加大帷幕止水范围,并分层止水,及时封堵渗漏部位,加强监测,保证施工质量,可为类似工程施工提供借鉴。Under the complex geological conditions in water-rich areas,there is a high risk of water gushing during the excavation of shield wells.The adoption of effective anti-seepage measures is crucial for the excavation of deep foundation pits.Taking the LG09-1#shield well of the Pearl River Delta Water Resources Allocation Project as an example,based on the water gushing situation during the excavation of this shield well and the surrounding ground settlement,its geological conditions,construction techniques and monitoring data are analyzed to explore the main causes of the water gushing problem in the well.Suggestions for prevention and control measures are put forward,such as expanding the range of curtain waterstoppage,implementing layered water-stoppage,timely plugging the leakage parts,strengthening monitoring,and ensuring the construction quality.This can provide a reference for the construction of similar projects.

关 键 词：水利工程 深基坑 盾构井 涌水 地面沉降 防治措施 

分 类 号：TV52[水利工程—水利水电工程]