【摘要】 本文以天津市大港区某取水项目为例,介绍开采地下水的地面沉降影响评价方法和结果,并分析项目区域的可用水源条件,从地面沉降角度出发,建议该项目优先选用外部地表水源,不宜开采地下水。更多还原

【Abstract】 Urban secure and construction have been threatened by land-subsidence,which mostly caused by over-exploitation of groundwater.Therefore,taking land-subsidence into account before the beginning of some water-pumping project in urban has been important and necessary.In this paper, a land-subsidence assessment of water-pumping project in Dagang,Tianjin City may be introduced, that the groundwater exploitation project may lead to land-subsidence.It suggests that Using Surface water is the best choice.更多还原