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水性喷涂持粘高分子防水涂料在明挖隧道结构中的应用
作者：李云刚，张涛，胡传鹏，韦家昕
（中交公路规划设计院有限公司，北京 100088）
摘要：针对城市隧道卷材式外包防水存在的搭接缝防水薄弱、容易空鼓、窜水等问题，介绍了具有自愈合、拉伸力强、耐老化等性能优势的水性喷涂持粘高分子防水涂料。并结合工程实例，对关键节点的防水设计及施工工艺进行总结。
关键词：水性喷涂持粘高分子；防水涂料；明挖隧道
中图分类号：TU472.5 文献标识码：A 文章编号：1001-702X（2021）01-0155-04
Application of water-based spray sticky polymer waterproof coating in open-cut tunnel structure
LI Yungang，ZHANG Tao，HU Chuanpeng，WEI Jiaxin
（CCCC Highway Consultants Co. Ltd.，Beijing 100088，China）
Abstract：Aiming at the problems exist in waterproof coating for urban tunnel project，such as weak seam waterproofing，easy empty drum，water running water and so on，water-based spray sticky polymer waterproof coating with self-healing，strong stretching strength and anti-aging advantage sifts. Combined with the engineering examples，the specific waterproof design and construction process are expounded.
Key words：water-based spray sticky polymer，waterproof coating，open-cut tunnel