建筑防水技术在地下工程中发挥功能保障作用,直接关系到建筑物的使用功能。广州市地铁车站多为地下负二或负三层结构,以结构自防水为重点,附加防水卷材为辅,并采取一系列措施保证混凝土的整体性、密实度和对薄弱环节(施工缝、变形缝等)进行特殊加强处理,取得了较好的施工效果。 Building waterproofing technology in the underground works to play a role in the protection of the function is directly related to the use of the building functions. Guangzhou Metro Station mostly underground negative two or negative three-tier structure, focusing on the structure from the waterproof, supplemented by waterproofing membrane supplemented, and take a series of measures to ensure the integrity of the concrete, the density and the weak links (construction joints, Deformation joints, etc.) for special strengthening treatment, and achieved good construction results.