盖挖逆作地下结构工程施工缝防水处理方法

Construction joints waterproof processing methods of covered top-down excavation for underground structure engineering

针对盖挖逆作地下结构工程施工缝防水施工的重要性进行了简要分析,详细介绍了钢边止水带、遇水膨胀止水胶及可维护注浆管等常见做法的材质性能、适用范围、安装方法,并总结了相应的施工控制要点,为今后同类工程施工提供了指导。

This paper made brief analysing according to the importance of construction joints waterproof construction of covered top-down excavation for underground structure engineering,introduced in detail the material properties,application scope,installation methods of steel-edged waterstop,water swelling rubber and maintenance grouting pipes and other common practices,and summarized corresponding construction control points,provided guidance for future similar construction.