随着时间的推移,已建成的水工建筑物因混凝土老化,防渗材料变质,裂缝扩展贯穿等时效变异,渗漏现象相当普遍。为了延长工程寿命,发挥工程效益,越来越多的新型止漏材料被应用于工程实践。根据水工建筑物渗漏的特点,堵漏材料一般须满足亲水性,承压性,抗渗性等各项要求,有的部 With the passage of time, the hydraulic structures have been built due to aging of concrete, impermeable material deterioration, crack propagation through the aging changes, leakage is quite common. In order to extend the life of the project and bring the engineering benefits into play, more and more new type of stop-leak materials are used in engineering practice. According to the characteristics of leakage of hydraulic structures, plugging materials generally have to meet the hydrophilic, pressure, impermeability and other requirements, and some ministries