预制装配式地下综合管廊组合结构防水技术

Research on Waterproofing Technology of Prefabricated Assembly Pipe Gallery

预制装配式地下综合管廊组件自重轻、运输方便,然而连接接头偏多,不仅会增加施工拼装难度,而且各个装配构件变形缝和施工缝容易出现漏水,对管廊防水质量产生不良影响。以雄安新区容西片区综合管廊工程为背景,介绍变形缝、施工缝多道防水构造技术、可拆卸式构造防水工艺、横截面接口防水技术。实践证明该系列防水技术取得了良好的防水效果,对类似工程有一定的借鉴。

The prefabricated underground comprehensive pipe gallery components are lightweight and convenient to transport,but there are too many connecting joints,which not only increase the difficulty of construction assembly,but also make it easy to leak,which has a negative impact on the waterproof quality of the pipe gallery.The paper takes the comprehensive pipe gallery project in the Rongxi area of Xiong'an New Area as the background,introducing the multi layer waterproof construction technology for deformation joints and construction joints,detachable waterproof construction technology,and cross-sectional interface waterproof technology.Practice has proven that the waterproof technology has achieved good waterproof effects,which has certain reference for similar projects.