Monitoring of the uplift pressure in the dam foundation is an important approach to ensure the safe operation of concrete gravity dams,and the permeability coefficient of the dam foundation is a significant indicator to evaluate the stability of the dams.Among the eleven uplift pressure measurement holes arranged in the dam foundation of Hua'an Hy-dropower Station,the measured uplift water level in UP8 is abnormally high.Through on-site tests,data analysis and statistical model analysis,possible reasons for the anomaly are discussed and the impact on the dam stability is evalua-ted.The results provide useful reference for the analysis of abnormal uplift pressure in similar dam foundations.
关键词
大坝监测/坝基扬压力/渗压系数/异常/统计模型
Key words
dam monitoring/uplift pressure in dam foundation/permeability coefficient/anomaly/statistical model
维普
万方数据