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为解决小南海水库库区集中渗漏问题，对库区漏水地段进行了石膏矿巷道空间分布及沟通库水和深层径流带的综合水文地质进行了调查；采取混凝土门塞截堵主要渗漏巷道，地面塌坑回填防渗材料相结合的工程措施；使用冲砂锥清除巷道内的淤积物和水下浇混凝土门塞的施工方法。堵漏的成功挽救了面临报废的水库、取得了明显的经济效益和社会效益，为难度较大的岩溶发育区堵漏课题提出了一个实例
In order to solve the problem of concentrated seepage in the Xiaonanhai reservoir area, the spatial distribution of the gypsum mine roadway and the integrated hydrogeology of reservoir water and deep runoff zone were investigated in the leaking area of the reservoir area. Taking the concrete gate plug to block the main seepage roadway , Ground collapse backfill impermeable impervious materials engineering measures; the use of flushing cone removal of sediment within the tunnel and underwater concrete pouring gate construction methods. The success of plugging rescues the reservoirs that are facing the problem of discarding reservoirs and has achieved obvious economic and social benefits. An example is given to solve the problem of plugging in karst development zones that are more difficult