不规则波作用下的混凝土铰链排稳定厚度的试验研究

Experiment study on stable thickness of hinged fascine mattress under the action of the irregular wave

基于某海堤防护工程,将柔性混凝土铰链排技术结合到原刚性的护坡中,利用室内波浪水槽开展了一系列试验,确定适合滨海海域波浪作用下的铰链排的最小稳定厚度。试验结果表明:在不规则波作用下排体所需最小稳定厚度要明显大于规则波作用所需厚度,波高和波周期均是显著影响混凝土铰链排的稳定厚度的关键要素。根据试验结果,比较前人研究公式,拟合出新的不规则波作用下的混凝土铰链排最小稳定厚度的经验公式。

Based on the seawall protection engineering, modified the original rigid structure with the hinged fascine mattress technique, a series of tests were applied at the indoor wave flume to determine the minimum stable thickness of hinged fascine mattress.The results show that the minimum stable thickness of hinged fascine mattress under regular wave is much less than that under irregular wave although both the regular and the irregular wave have similar wave parameters. The wave period is as important as the wave height when determining the stable thickness.The new fitting formula about the minimum stable thickness of hinged fascine mattress was obtained based on the test results and previous formulas.