The paper takes the drainageoffoundationpit in Liangke drainage gate of Tailai county as the example, introduces the layout of well point, the selection of equipment and the implement process.
本文以泰来县两棵排水闸站厂房基坑排水为例，叙述了轻型井点降水布置、设备的选择及实施过程。
2
By dewatering offoundationpit, the points above the drainage layer all have a considerable influence and the shorter distance with the subgrade surface the more influence.
但随着基坑降水的进行，排水层以上各点均受较大影响，并且距离路基表面越近影响越大。
3
Drainageof the foundationpit formed the landing funnel of underground water which induce rocky surface collapse;