桥梁扩大基础基坑降水方案研究

Research on precipitation scheme of bridge expansion base foundation pit

通过对轮泊路一桥基础基坑开挖所采用的轻型井点降水方案的介绍,简述了轻型井点降水系统的设计计算要点、所需设备材料以及施工的一般步骤,指出其相对于明排法及钢板桩围堰施工方案,不仅降低了工程费用,而且加快了施工进度,值得推广应用。

Through the introduction to light well point dewatering scheme used by bridge base foundation pit excavation in Lunbo Road, simply discussed the design and calculation key points, equipment and materials and construction of light well point dewatering system, pointed out compared to the light dewatering and steel sheet pile cofferdam construction scheme, not only reduced the project cost, but also accelerated the con- struction schedule, worthy of popularization and application.