沪通长江大桥铁路桥面防水施工技术  

Waterproofing Construction Technology for Railway Deck of Shanghai-Nantong Yangtze River Bridge

作　　者：李冬凤 李岩 Li Dongfeng;Li Yan(Sichuan Shuyang Waterproof Engineering Co.,Ltd.,Chengdu,Sichuan610091,China;Sichuan Building Waterproof Association,Chengdu,Sichuan610091,China)

机构地区：[1]四川省蜀羊防水工程有限公司,四川成都610091 [2]四川省建筑防水协会,四川成都610091

出　　处：《中国建筑防水》2021年第4期57-59,共3页China Building Waterproofing

摘　　要：沪通长江大桥铁路桥面防水系统由防水层+保护层组成,其防水层采用1.5 mm厚水泥基粘结剂+1.8 mm厚氯化聚乙烯防水卷材,防水层上设置58 mm厚C40细石聚丙烯腈纤维高性能混凝土保护层;卷材搭接采用热熔焊接,细部采用高强聚氨酯封边处理。The waterproofing system of Shanghai-Nantong Yangtze River Bridge Railway deck is composed of waterproofing layer and protective layer.The waterproofing layer adopts 1.5 mm thick cement-based binder and 1.8 mm thick chlorinated polyethylene waterproofing membrane.On top of the waterproofing layer,a protective layer of 58 mm thick C40 fine aggregate polyacrylonitrile fiber high-performance concrete is installed.Hot melt welding is adopted for the overlap joints of the membrane,and high strength polyurethane is used for the sealing of details.

关 键 词：沪通长江大桥 铁路桥面 氯化聚乙烯防水卷材 水泥基粘结剂 防水施工 节点 

分 类 号：U443.31[建筑科学—桥梁与隧道工程] TU761.11[交通运输工程—道路与铁道工程]