桂东南某河段堤坝塌坑抢险施工

A southeastern Guangxi river levees collapsed pit rescue construction

塌坑是指在高水位作用下,堤坝体身或坡脚附近发生的局部凹陷现象。跌窝也称陷坑、塌坑。这种险情既破坏了堤坝的稳定性,有时还会伴随漏洞、渗水同时发生,严重时可能会导致堤坝突然失事的危险。

The collapse pit refers to the effect of the high water level of the dam body itself or the foot of the slope near the local depression phenomenon.Down nest,also known as the crater collapsed pit.This danger both undermine the stability of the dam,sometimes accompanied by vulnerability seepage occur at the same time,may cause serious danger of the dam suddenly crashed.