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Application of water-soluble polyurethane to crack anti-seepage repair in Danjiangkou Dam

Deng Shu-fei and Wang Fan-rong   

  • Published:2002-02-28

水溶性聚氨酯在丹江口大坝裂缝防渗修补中的应用

邓树飞,王繁荣   

  1. 江苏省海洋工程总公司,江苏靖江 214500

Abstract: It is difficult to treat crack seepage underwater. In Danjiangkou project, water-soluble polyurethane has been adopted to repair the crack on concrete dam under-deep-water, This paper briefly introduces the property of polyurethane, treatment processing of chemical grouting and change of seepage amount before and after repair.?

摘要: 水工混凝土水下裂缝渗漏处理很困难,丹江口混凝土坝深水裂缝防渗修补,采用了水溶性聚氨酯,防渗效果显著。本文简单介绍了聚氨酯性能、化灌处理过程和防渗处理前后渗漏量的变化等情况。