论文部分内容阅读
文章介绍了凤虎岭2号隧道工程采用注浆处理隧道冒顶坍塌的实例,对坍方原因进行了详细分析,确定了处理方案,并探讨了软岩浅埋隧道预防坍塌措施,对同类隧道的施工有一定的参考价值。
This paper introduces an example of grouting treatment of roof collapse in Fenghuling No. 2 Tunneling Project. The causes of collapse are analyzed in detail and the treatment scheme is determined. The measures to prevent collapsing in soft rock shallow tunnel are discussed. For similar tunnel construction Certain reference value.