明挖现浇综合管廊防水设计与施工技术探讨

Waterproofing Design and Construction of Open-cut and Cast-in-place Utility Tunnel

作为全国第二批综合管廊重点试点城市,保山市管廊的廊体设计与防水施工承担着国内管廊技术更替进步的重要责任。本文重点阐述了一级防水等级要求的保山市明挖现浇综合管廊工程中防水材料的选择和防水设计方案,并对变形缝、侧墙和底板交界处等节点部位的防水做法作了详细介绍,为其他城市地下综合管廊防水设计与施工提供了参考。

Baoshan City, as one of the second batch of pilot cities of utility tunnel in China, its design and waterproofing construction assume major responsibility for the development of utility tunnel technology nationwide. The article focuses on the waterproofing materials selection and waterproofing design of the open-cut and cast-in-place utility tunnel in Baoshan City, which requires grade one waterproofing. It also gives details of the waterproofing practices for deformation joint, junction of side wall and floor et cetera. This information can be reference for the waterproofing design and construction of utility tunnel in other cities.