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神木县刘家湾水源地不同取水方式对比分析 预览

Contrast analysis of different water ways in Liujiawan water source of Shenmu county
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摘要 在对研究区的水文地质条件进行分析后,设计了3种常用开采方案:廊道、辐射井和渗流井。通过引入等效渗透系数的概念构建3种取水建筑物的"渗流-管流"耦合模型,从而进行开采量的计算。计算出研究区在廊道、辐射井、渗流井的作用下允许开采量分别1.49、1.9、2.87万m3/d。计算结果表明:渗流井与相同技术条件下的廊道及辐射井相比,取水结构的出水量大,供水保证率高,并且在建议开采量下含水层的水位降深在允许范围内。最终以取水效率高为目标,确定神木县刘家湾水源地采用渗流井方式开采地下水,对研究区合理开发利用地下水具有重要意义。 Based on a brief introduction of hydrogeological conditions, three well exploiting plans were primarily selected such as gallery, radial well and seepage well. In order to calculate the reasonable ex- ploiting yield, the concept of equivalent permeability coefficient was used to construct the model of cou- pled seepage and pipe flow. The reasonable exploiting yield of gallery, radial well and seepage well are 149000,19000 and 287000 cubic meter per day. The simulation results suggested that the water supply of seepage well is higher than that of gallery or radial well and has high guarantee rate in the same technolo- gy condition. Seepage wall is chosen as the best exploiting plan to get a high water efficiency, which has very importment significant for the reasonable exploitation of groundwater in this region.
作者 徐嘉璐 陈枭萌 郭倩 牟海斌 王玮 XU Jialu, CHEN Xiaomeng, GUO Qian, MOU Haibin, WANG Wei ( School of Environmental Science and Engineering, Chang'an University, Xi'an 710054, China)
出处 《水资源与水工程学报》 2013年第3期14-17,共4页 Journal of water resources and water engineering
基金 国家自然科学基金项目(40972154)
关键词 允许开采量 “渗流-管流”耦合模型 廊道 辐射井 渗流井 allowable yield coupled model of seepage and pipe flow gallery radial well seepage well
作者简介 徐嘉璐(1988-),女,黑龙江牡丹江市人,硕士生,研究方向:水文学及水资源。 通讯作者:王玮(1970-),男,江西乐平人,硕士生导师,副教授,从事水资源与环境的教学与科研工作。
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