With the increasing of national economy and the accelerating of cityward course, the project of construction makes a rapid progress,then companied with the increasing of inferior geological condition.

随着国民经济的增强、城市化进程的加速，建设工程得到了迅速发展，随之而来的是不良地质条件的迅速增多。

In the geological condition of shallow buried, soft rock, and carst, et al. the mother rock of these kinds of tunnel must be paid attention in the whole construction stage.

在浅埋、围岩软弱、岩溶等复杂地质条件下，这类隧道在不同施工阶段围岩的稳定性问题备受关注。