Wulongling tunnel on the Jingzhu Expressway is a dual-arch highway tunnel with a large span, shallow depth, poor geology and uneven ground pressure.
五龙岭隧道由于其特殊的地形地质情况，使该隧道具有大跨、浅埋、软弱不良地质和偏压等四大难点。
At the same time, the dividing line of shallow tunnel and depth tunnel in frozen earth is discussed initially.
同时，对冻土隧道的深浅埋分界进行了初步探讨。
The groundwater makes a very adverse effect on the tunnel with shallow-depth.
地下水对浅埋隧道围岩的稳定性产生非常不利的影响。
The groundwater makes a very adverse effect on the tunnel with shallow-depth.
地下水对浅埋隧道围岩的稳定性产生非常不利的影响。
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