某水电站大坝扬压力统计回归分析

影响坝基扬压力大小的因素众多,如上、下游水位、排水系统、降雨及渗透作用等。综合某流域的水电站工程概况及气候特征和地形条件,采用逐步回归的方法建立统计模型来分析水位分量、温度分量和时效分量对扬压力的影响,得到各测点扬压力的极值、年变化率、年变幅和回归值、时效因子等图表。通过计算分析,运用该模型分析实测资料,其分析结果与实...

A analysis of the uplift pressure statistic regression of a dam

there are many factors affect the foundation uplift pressure,such as the water table of upstream and downstream,drainage system,rainfall and infiltration,etc.It comprehensively overviews a hydropower project in a basin and climate characteristics and terrain conditions,with stepwise regression method,and establishes a statistical model to analyze water quantity,temperature,and time components of the impact of the uplift pressure,and gets the extreme uplift pressure measuring point,the annual change rate,the annual amplitude and return value,time factor and other charts.Through computational analysis,using the model analyses the measured data,the results fit well with the measured values,it indicates that the foundation has a good anti-leakage effect.