【摘要】 本文从阶梯形砼楔形块的一般水流流特性推演出台阶式溢洪道的水流参数计算公式，然后对水流阻力系数ＣＤ，水流阻力ＦＤ进行了分析，并与有关的学者的成果进行了对照，其结果具有惊人的一致性。这从另一个角度说明了推导中使用的理论和假设是正确的。更多还原

【Abstract】 On the basis of characteristics of the flow of wedge-shaped blocks,this paper induces a equation for calculating the flow parameters of tile stepped spillways,then analysesthe drag force FD and drag force coefficient CD,and compares these results with that in otherpapers, .The results show no differnence between them,there-by proving indirectly that thetheories and hypothesis used by the writer are correct.更多还原