It is unavoidable to encounter with geological disasters, such as water gushing, collapse or rock burst during tunnel construction.
隧道在施工中不可避免地会遇到诸如涌水、塌方、岩爆等地质灾害问题。
Curtain grouting method and corresponding measures are introduced to deal with gushing water and gushing mud during construction of Geleshan Tunnel.
介绍歌乐山隧道施工过程中出现的涌水、涌泥情况，帷幕注浆堵水的施工方法及相应措施。
Prediction of surrounding rock permeability in tunnel is the base of estimating the water gushing yield for deep lying tunnel.
围岩渗透性预测是深埋隧道涌水量评估的重要基础。
Water gushing is common disaster in tunnel construction, and may be induced by many causes.
涌水是隧道施工中常见的灾害现象，它的形成原因是多方面的。
On basis of the analysis result of the water burst mode and water burst mechanism of karst caves tunnel, the prevention and control principles for water gushing and mud gushing are put forward.
根据对岩溶隧道突水、突水机理的分析结果，提出了岩溶隧道突水突泥的防治原则。
To emphasize expatiating on how the method of grey systems analysis works in the estimation of water-gushing amount of the tunnel, then compare the result with two common methods.
论述了隧道涌水预测的基本原理与方法，并重点结合岩溶地区特殊的地质条件对有关方法进行了阐述。
To emphasize expatiating on how the method of grey systems analysis works in the estimation of water-gushing amount of the tunnel, then compare the result with two common methods.
论述了隧道涌水预测的基本原理与方法，并重点结合岩溶地区特殊的地质条件对有关方法进行了阐述。
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