As a kind of underground lineament building, the tunnel inevitably will pass through different hydrology geology in construction process and thus form a catchment corridor which usually occurs in most of tunnels. Pour water is a common geological disaster and the main disease in the tunnel construction. At the same time, it is also one main inducement cause of other geological disasters. Owing to the percolating water, emerge flooding, inrush putty, the frost heave to brave the putty, the cave-in...