运用温度电导率等示踪方法对广东韶关电厂濛浬灰场4 号坝段漏水路径进行调查, 通过几个观测孔多方面数 据( 包括温度、电导率、地下水位、地下水流速等示踪数据) 的相互验证, 结果证实, 补给路径在上游流场从ZK4 孔到 ZK8 孔向外伸展, 呈弧形补给漏水点; 降水在库区垂直入渗, 沿初期坝与第一级子坝搭接处向上流动, 最终在71. 00 m 高程处出露形成漏水点。

Leakag e path o f No. 4 dam sect ion in Meng li ash y ard of Shao guan pow er plant was investig ated using the tracing met ho d o f temper atur e and electr ical conductiv ity . T hr ough the v er ificat ion of temper atur e, elect rical conductiv ity, g ro undw ater level, and g ro undwater flow v elocity in sever al observat ion bo reholes, the r esults sugg ested that the r echar ge path ex tends from ZK4 borehole to ZK8 bo rehole in the upstr eam flow field and fo rms t he arc supply leakag e point, and precipitation infiltr ates vert ically into the dam, flows upw ard along the co ntacting zone betw een the init ial dam and fir st sub2dam, and fo rms the leakag e po int at the elevation of 71. 00 m.

国家自然科学基金项目( 51309262) ; 重庆市教委科学技术研究项目( KJ 1401018) ; 重庆交通大学国家内河航道整治工程技术研 究中心暨水利水运工程教育部重点实验室开放基金资助项目( S LK2013B02)