高分子聚合物355A3在龙羊峡水电站大坝廊道漏水问题的应用  

Application of High-molecular Polymer 355A3 in the Leakage Treatment of the Dam Gallery of Longyangxia Hydropower Station

作　　者：张晓峰 苏晓军 孙玉军 李贵信 ZHANG Xiaofeng;SU Xiaojun;SUN Yujun;LI Guixin(Qinghai Yellow River Hydropower Development Co.,Ltd.,Xining 810001,Qinghai,China)

机构地区：[1]青海黄河水电开发有限公司,青海西宁810001

出　　处：《水力发电》2020年第12期75-78,共4页Water Power

摘　　要：针对龙羊峡水电站坝后及廊道渗水问题,在探究渗水现象、分析渗漏原因基础上,介绍了传统聚氨酯化学灌浆和新型高分子化学材料355A3注浆的处理工艺及防渗堵漏效果。试验结果表明,高分子化学材料355A3作为一种新型注浆材料,其注浆技术具有注浆工艺简单、施工工期短、堵水效果好的特点,同时可减少工人的劳动强度。Aiming at the problem of water seepage behind the dam and in the gallery of Longyangxia Hydropower Station,the water seepage phenomenon and leakage causes are explored,and on this basis,the treatment technologies and anti-seepage effects of traditional polyurethane chemical grouting and new high-molecular polymer material 355 A3 grouting are introduced and compared.The tests show that,as a new grouting technology,the high-molecular polymer 355 A3 has the characteristics of simple grouting process,short construction period and good water plugging effect,and at the same time,can reduce the labor intensity of workers.

关 键 词：廊道漏水 注浆 聚氨酯 高分子聚合物355A3 龙羊峡水电站 

分 类 号：TV543.2[水利工程—水利水电工程]