By analyzing outcome of the surround well pumping water test after the darn was disposed , the pervasion coefficient can meet preventing pervasion purpose ; at the same time , preventing pervasion capability test of the grouting concretion body has been done in the room , with a conclusion gained after analyzing the test outcome , which is there are different effects in preventing pervasion capability of the grouting concretion body on different additive , and this has been applied into preventing pervasion of the engineering 并对处理后的坝体进行现场围井抽水试验，得出防渗墙的渗透系数满足防渗效果；同时在室内浆液固结体进行了抗渗性能试验，分析试验结果得出不同添加刘对固结体抗渗性能不同影响，将其应用于该工程的防渗。
