铁路长大隧道建设中地下水防治有关问题研究进展

Research on the Progress of Underground Water Control for Construction of Large Railway Tunnel

研究目的:针对目前隧道施工过程中频发的突泥涌水地质灾害事故,提出了地下水防治的科学理念及其监测方法,旨在保证隧道施工安全和施工质量。研究结论:以铁路长大隧道工程建设为技术研究背景,着重论述了地下水活动和平衡规律、地质灾害与地下水、渗漏水对隧道建设的影响及其防治的重要性,地下水防治技术标准和措施等。工程实践表明,尽管精确分析和预测隧道的地下水影响情况是困难的,但在隧道施工期间及以后加强对围岩内流入隧道的地下水情况进行监测是重要的,地下水防治最直接有效的方法是岩体注浆。

Research purposes： Aiming at the problem that the geological disasters of inrush water and inrush mud often happen in the course of construction of tunnel, this paper offers the scientific concepts and monitoring methods for control of underground water for the purpose ensuring tunnel construction safety and quality. Research conclusions： Taking construction of large railway tunnel as an example, this paper mainly studies the activities and balance laws of underground water, the influence of geological disasters caused by underground water and water leakage on tunnel construction, the importance of underground water control, and the technical standards and measures for underground water control. The results show that it is very important to monitor underground water that flows from tunnel surrounding rock into tunnel in the course of tunnel construction and later, although it is difficult to analyze and predict the influence of underground water. Grouting the rock mass is the most effective way to control the underground water.