大坝基础灌浆常见问题及处理  

Problems on Dam Foundation Grouting and Its Treatment

作　　者：曹蓓蓓 洪金领 

机构地区：[1]中国水电建设集团国际工程有限公司,北京100048

出　　处：《水力发电》2013年第7期61-63,67,共4页Water Power

摘　　要：根据众多大坝工程基础灌浆实践经验和教训,就大坝基础灌浆时钻孔时卡钻、钻孔偏斜太大、地表冒浆、串浆、绕塞返浆、设备故障造成灌浆中断、管路阻塞或破裂、基岩抬动、压力表失灵、在有承压地下水区域灌浆、吃浆不正常等常见问题及其处理方法进行了归纳、总结,供设计及施工人员参考。Learning lessons from the foundation grouting of many dam projects, the problems commonly occurred in dam foundation grouting and its treatment methods are summarized herein to provide a reference to designers and construction technicians, including jamming of drilling machine, too large hole inclination, surface grout oozing out, grout leaking, grout backing around plug, grouting equipment failure, pipe blockage or rupture, bedrock lifting, pressure gauge failure, grouting in area with pressurized groundwater and abnormal grout requirements.

关 键 词：大坝 基础灌浆 问题 处理 

分 类 号：TV543.1[水利工程—水利水电工程]