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在导出作用于管式透空直立式防波堤波浪反射系数之后，本文对由于透空存在而使波浪透入港内的机制进行了分析，考察了影响透射波高的各种因素，确定了堤厚的作用，并依据物理表现寻求具有待定系数的函数表达式，由水动力模型试验数据拟合了函数表达式中的待定系数。本文所得表达式不仅反映了波动的物理机制，而且在数值上达到了令人满意的结果。
After deriving the wave reflection coefficient of tubular see-through vertical breakwaters, this paper analyzes the mechanism that the waves penetrate into the harbor due to the existence of the open air, examines various factors that affect the transmission wave height, and determines the effect of the bank thickness , And find the function expression with undetermined coefficient according to the physical performance. The undetermined coefficients in the function expression are fitted by hydrodynamic model test data. The expression obtained in this paper not only reflects the physical mechanism of fluctuation, but also achieves satisfactory results numerically.