HDPE预铺反粘防水卷材外防内贴法在地下侧墙防水中的应用  

Application of HDPE Pre-laid Reverse Adhering Waterproofing Membrane in the Waterproofing of Underground Side Walls

作　　者：王超群 程伟家 Wang Chaoqun;Cheng Weijia(Beijing Oriental Yuhong Waterproof Technology Co.,Ltd.,Beijing101111,China)

机构地区：[1]北京东方雨虹防水技术股份有限公司市场中心,北京101111 [2]北京东方雨虹防水技术股份有限公司,北京101111

出　　处：《中国建筑防水》2022年第12期45-47,共3页China Building Waterproofing

摘　　要：天津某地下工程具有结构埋置较深、基坑垂直开挖、紧邻河边地下常水位高等特点,侧墙基坑垂直开挖段通过采用HDPE高分子自粘胶膜防水卷材预铺反粘外防内贴工艺,满足项目防水需求。本文介绍了该项目的防水设计,并对HDPE高分子自粘胶膜防水卷材的铺设固定、接茬做法及关键节点处理作了阐述。An underground project in Tianjin is featured with deep structure embedment,vertical excavation of foundation pit,adjoining river bank,and high normal groundwater level etc.HDPE polymer film reinforced self-adhesive waterproofing membrane is applied with pre-laid reverse adhering technology for the vertical excavation section of sidewall foundation pit,which meets the waterproofing requirements of the project.This paper introduces the waterproofing design of the project,and expounds the laying and fixing of HDPE polymer film reinforced self-adhesive waterproofing membrane,and treatment methods for details,such as joint reserving and connecting.

关 键 词：地下侧墙 深基坑 垂直开挖 HDPE高分子自粘胶膜防水卷材 预铺反粘 外防内贴 

分 类 号：TU924[建筑科学—建筑设计及理论] TU761.11