天心山隧道帷幕注浆及地表深孔注浆施工技术

Construction technique of curtain grouting and deep-hole grouting from ground surface used for Tianxinshan tunnel

针对天心山隧道斜井工区内涌水及地表塌陷的不良地质情况,重点介绍了洞内帷幕注浆及地表深孔注浆相结合的综合整治技术方案、注浆设计、注浆工艺及止水效果。