By using of water table reduction technology at basic well points at construction site water table is reduced,specific difficult is solved in deep foundation ekcavation in coastal areas,In this article, construction and de-sign of basic well water table reduction technology are briefly introduced combining with geological properties hydrogeological conditions in coastal areas.
沿海地区应用基础井点降水技术，较好地疏于施工场区内地下水、降低地下水位，解决了高层建筑深基础开挖和基础施工中的具体困难。