码头建筑物对水位影响的模型试验及计算方法

 河岸码头建筑物势必导致其上游水位壅高及对码头附近水流流态产生影响。以汉江沙洋河段为对象,通过定床概化物理模型试验研究了码头建筑物对河道水位与流速场的影响。并基于能量平衡原理,采用河道恒定非均匀流水面曲线基本方程,结合物理模型试验资料,计算了码头建筑物附近的水位变化值,并提出了码头建筑物产生的水位壅高值的计算方法。

Research of experiment and calculation method on influence of dock construction to water level

A dock construction built on a river bank causes naturally the water level upstr eam to rise and influ-ences the local flow pattern.Through an illustration of ge neralized fixed bed model simulating Shayang river stretch on the Hanjiang River ,the influences of dock construction on water levels and velocity field have bee n investigated in the model test.On the basis of the principle of energy conserv ation,and using the basic equation of steady non-uniform flow water surface pro file and combining with the test data,the calculation method for water level cau sed by dock construction is proposed,and the variation values of water levels ne ar the Shayang dock construction are calculated.