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除了常用的迎水面防水技术之外 ,背水面防水则更为困难、在某些条件下甚至无其他方法可代替。为增进人们的认识和推广应用新技术 ,介绍了三种背水面防水材料 ,及材料的形成发展过程、施工工艺、实用范围和在实践中存在的问题 ,特别是水泥基渗透结晶型防水材料 ,具有防水堵漏并能使混凝土致密的特殊效果。工程实例证明 ,背水面防水涂层优于迎水面防水涂层
In addition to the commonly used water-in-water technology, waterproofing is more difficult on the back and under other conditions there is no alternative. In order to promote people’s understanding and popularization and application of new technologies, three kinds of backwater waterproofing materials, as well as the formation and development process, construction technology, practical range and problems in practice are introduced, especially cementitious capillary crystalline waterproofing materials, With waterproof plugging and concrete can make the special effects. Engineering examples show that the water-repellent coating on the back is better than the water-repellent coating on the water surface