陕西扶风县城地下水源地开采方案设计

针对严重缺水的陕西省扶风县城供水问题,本文在分析该区水文地质条件和开采现状的基础上,建立了水文地质概念模型,选择了承压水二维非稳定流数学模型进行描述,采用解析法无越流的无界承压含水层干扰井群法求解该数学模型,设计了两套地下水开采方案,计算评价水源地可开采资源量,并对两套方案的计算结果进行了讨论分析,建议选取第二套方案,布井19眼,设计开采量19500m3/d,为拟建城区水源地供水工程新增1.5万m3/d～1.9万m3/d可开采水量提供了依据.

Design of Exploiting Project of Groundwater Source Place in Fufeng County of Shaanxi Province

In view of the water supply problem in Fufeng county where is serious short of water, based on the analysis of the hydrogeological condition and exploiting status, this paper establishes the hydrogeological concept model, selects mathematic model of two dimensional unstable flow of confined water, and adopts the analytic method and non over flow unbounded confined aquifer interference well group method to resolve the mathematic model, two exploiting plans are designed to calculate and evaluate the quantity of the exploitable water resources from the water source place. The calculated results of the two plans are discussed and analyzed, and the second plan is suggested to select, set 19 wells, the designed exploiting volume is 19500 m3/d. This provides the accordance for the new additional water supply project which exploitable volume is 15000m3/d - 19000m3/d in the water source place of urban area.