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首先应确定海区的最大波高H_(max),按经验累积频率H_(max)=H_0.2％～H_0.5％或者采用H_(max)=(1.61～1.76)H_1/3。根据斜坡堤护面块体的吸波系数K_a确定斜坡堤的设计波高H_D=H_1/10=K_aH_(max)。根据浅水区波高易于破碎,可以按波高周期的联合分布求出波能量的最优比值E_r,进行摸拟试验或数值计算作斜坡堤设计的依据。
First of all, the maximum wave height H_max of the sea area should be determined. According to the empirical cumulative frequency H_max = H_0.2% ~ H_0.5% or H_max = 1.61 ~ 1.76 H_1 / 3. The design wave height H_D = H_1 / 10 = K_aH_max of the slope bank is determined according to the wave absorption coefficient K_a of the retaining block of slope bank. According to the wave height of shallow water area is easy to be broken, the optimal ratio of wave energy E_r can be obtained by the joint distribution of wave height period, and the simulation test or numerical calculation is used as the basis for slope bank design.