基于漳泽水库渗流观测资料的大坝运行状况评价

Evaluation of Dam Operation Status based on Seepage Observation Data of Zhangze Reservoir

大坝渗流观测成果分析是判定水库安全运行的重要依据。文章利用漳泽水库四年来渗流观测数据,绘制渗流过程线、位势过程线和相关线,并采用最小二乘法,计算了渗流压力与库水位的相关系数以及位势趋势线的关系。结果表明:多数渗流测点与库水位相关性明显;渗流压力从上游到下游逐渐减小;测点位势随时间进展呈下降趋势。通过数据分析和巡视检查,漳泽水库大坝渗流性态基本稳定。该项分析过程和结果对监控大坝安全运行有重要作用。

Analysis on dam seepage observation results is an important basis to judge the safe operation of reservoirs.The seepage process line,potential process line and correlation line are drawn based on the seepage observation data of Zhangze Reservoir in the past four years in the paper.The correlation coefficient between seepage pressure and reservoir water level as well potential trend line is calculated by using the least square method.The results show that the correlation between most seepage measurement points and the reservoir water level is obvious.The seepage pressure is decreased gradually from upstream area to downstream area.The potential of the measuring points shows a decreasing trend with time.The seepage behavior of Zhangze Reservoir Dam is basically stable through data analysis and inspection.The analysis process and results play an important role in monitoring the safe operation of the dam.