Treatment Technology of Underground Runoff Hidden Culvert Interception and Water Logging Damage in Baozitan Village, Liuquan Township, Hongsibao District, Ningxia
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摘要: 为了治理红寺堡区柳泉乡豹子滩村地下水位上升、房屋地基下沉、倒塌的问题，采用水资源利用调查、水文地质勘查，探明村庄地下水来源及其上升原因，提出减少地下径流的节水灌溉方案和管井截渗、沟道截渗、暗涵截渗拦截地下径流控制方案。通过技术经济比较与地下水运动数值模拟分析，确定暗涵截渗排水方案。结果表明：暗涵截渗拦截地下径流治理方案的实施，豹子滩村庄地下水位大幅度降低，典型农户地下水埋深由治理前的0.3 m～0.8 m降低到2.5m以下，村庄渍害治理取得显著效果。说明地下径流暗涵截渗渍害治理技术在此类地区地下水的治理过程中是切实可行的。Abstract: In order to address the issues of rising groundwater level, sinking of building foundations, and collapse in Leopard Beach Village, Liuquan Township, Hongsibao District, water resource utilization surveys and hydrogeological surveys were conducted to explore the sources and reasons for the rise of groundwater in the village. Both water saving irrigation schemes and control schemes for reducing groundwater runoff were proposed, including well interception, ditch interception, and hidden culvert interception. Through technical and economic comparison and numerical simulation analysis of groundwater movement, the scheme for intercepting seepage and drainage of underground culverts has been determined. The implementation of the hidden culvert seepage interception and underground runoff control plan has significantly reduced the groundwater level in Baozitan Village, and the groundwater depth of typical farmers has decreased from 0.3 m～0.8 m before the control to below 2.5 m. The village′s waterlogging control has achieved significant results. The technology of underground runoff hidden culvert seepage control can provide reference for the treatment of groundwater in similar areas.
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