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本文首次对１：１００大比尺的水垫塘模型在多股射流入射时的底板点面脉压进行了多组次量测，对点面壁压的自相关特性，点面脉动强度关系及点面关系的频谱特性进行了分析，得到点面壁压脉动强度均化系数Ｃｐ与承压面积Ｓ和水垫塘水垫深度ｈｔ的经验公式。这些结果为工程设计提供了重要的依据。
In this paper, for the first time, multi-group measurements of floor surface pulse pressure of 1: 100 large-scale plunge pool model with multi-jet incidence are carried out. The relationship between the pressure on the wall surface and the pulsation intensity at point The spectral characteristics of the relationship between surface pressure and surface pressure were analyzed and the empirical formula of wall pressure pulsation intensity averaging coefficient Cp and pressure area S and water cushion depth ht were obtained. These results provide an important basis for engineering design.