蛤蟆神水库坝下压覆泉眼补给途径分析及防渗处理  

Recharge Pathway Analysis and Anti-seepage Treatment for the Spring Eyes Under the Hamashen Reservoir Dam

作　　者：侯建强 万伟锋 HOU Jian-qiang;WAN Wei-feng

机构地区：[1]黄河古贤水利枢纽有限公司,河南郑州450018 [2]黄河勘测规划设计研究院有限公司,河南郑州450003

出　　处：《山西水利科技》2024年第4期1-6,共6页Shanxi Hydrotechnics

摘　　要：水库渗漏不仅会导致水资源的浪费,还可能引发坝体结构安全隐患,造成水灾等次生灾害。文章综合运用物探解译及氢、氧稳定同位素特征研究,分析了库域范围渗漏通道水体来源,通过混合比例模型,识别了渗漏点位的补给来源,并计算了补给来源的转化比例。基于对坝下压覆泉眼渗漏通道的识别,防渗处理采用60 cm厚混凝土防渗墙对坝基、右坝肩进行防渗处理,完工后监测结果显示工程措施截断了渗漏通道,为水库高效运行发挥了重要作用。Reservoir leakage not only leads to the waste of water resources,but also poses potential risks to the structural safety of dams,potentially triggering secondary disasters such as floods.Comprehensively applying geophysical interpretation and the characteristics of hydrogen and oxygen stable isotopes,the study analyzed the sources of water in the seepage channels within the reservoir area.Through a mixing ratio model,the study identified the recharge sources of the seepage points and calculated the transformation ratios of the recharge sources.Based on the identification of the seepage pathways of the overlaid spring eyes under the dam,an anti-seepage treatment was carried out using a 60cm thick concrete anti-seepage wall for the dam foundation and the right dam shoulder.After completion,the monitoring results showed that the engineering measures cut off the seepage pathways,playing an important role in the efficient operation of the reservoir.

关 键 词：水库渗漏 防渗 同位素 物探解译 水资源 蛤蟆神水库 

分 类 号：TV62[水利工程—水利水电工程]