中低水头宽尾墩联合消能工的应用与认识

通过几个工程实例,证明宽尾墩联合消能工应用于中低水头能够得到与高坝相同的消能防冲效果。这些实例包括了消能工的常规形式,因而具有一定的代表性。分析比较表明,从选择闸墩收缩比ε入手,借助经验公式Fr=6.56ε2-3.71ε+2.98初选收缩起始断面位置的方法有助于宽尾墩的设计与应用。

Application and understanding of flaring gate pier joint energy dissipater with low-middle water head

Through several engineering examples,it is proved that a flaring gate pier joint energy dissipater can have the same energy dissipation and erosion control effect as a high dam when used in middle-to-low water head. Including the conventional forms of energy dissipaters,these examples are representative.Analysis and comparison show that,starting with the selection of the pier contraction ratio ε,the method of initial contracted section primary selection by the empirical formula Fr=6.56ε2-3.71ε+2.98 is helpful to the design and application of flaring gate piers.