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结合弁山隧道冒顶塌落注浆进行加固的工程实例,重点讨论针对塌洞内松散土体进行注浆加固时所采取的几个关键性的技术措施及其工艺流程。强调了注浆加固施工中技术控制要点及工艺流程的合理性对注浆加固效果的重要性。
Combined with the engineering example of roof caving grouting in Dangshan Tunnel, several key technical measures and process flow for grouting and reinforcement of loose soil in collapse tunnel are discussed. It emphasizes the importance of the technical control points and the rationality of the technological process in the grouting reinforcement construction to the grouting reinforcement effect.