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Experimental Study on Multi-element Tracing for the Seepage of Dam Foundation in Yuecheng Reservoir
Pages: 30-34
Year: Issue:  10
Journal: Geotechnical Investigation & Surveying

Keyword:  坝基渗漏 岳城水库 多元示踪 实例研究;
Abstract: 选定NaNO2、KI、NaCl作为示踪剂,对岳城水库坝基渗漏进行示踪试验,揭示坝基地下水的渗流特征与渗漏途径。示踪试验表明,各接收孔地下水中NO2-、I-、Cl-含量明显增高,示踪信息清晰可辨。综合分析认为水库右岸坝基主渗透段水流速度约3.89m/h。根据工程勘察和多源示踪结果计算,右岸坝基约有1.32m3/s的水以潜流形式经坝基流向下游。示踪试验为水库防渗加固治理提供依据。
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