The application of repairing soft rock-tunnel by pregrouting is introduced. 介绍了注浆技术在软岩巷道修复施工中的应用。
Treatment of very soft rock in Shapotou Water Control Project is a grave subject to be dealt with in project construction. 沙坡头水利枢纽的极软岩地基处理就是工程建设必须解决的重大课题。