单挡板桩基透空堤的透浪系数物理模型试验  

Physical model test of wave transmission coefficient of permeable dike with single-baffle pile foundation

作　　者：张万威 陈国平 严士常[1,2] 马洪蛟 谭慧明[1,2] 郭寅晖 ZHANG Wan-wei;CHEN Guo-ping;YAN Shi-chang;MA Hong-jiao;TAN Hui-ming;GUO Yin-hui(Key Laboratory of Coastal Disaster and Protection of Ministry of Education,Hohai University,Nanjing 210098,China;College of Harbor,Coastal and Offshore Engineering,Hohai University,Nanjing 210098,China;Shanghai Engineering Research Center of Coastal Zones,Shanghai 200061,China)

机构地区：[1]海岸灾害及防护教育部重点实验室(河海大学),江苏南京210098 [2]河海大学港口海岸与近海工程学院,江苏南京210098 [3]上海滩涂海岸工程技术研究中心,上海200061

出　　处：《水运工程》2022年第6期9-16,28,共9页Port & Waterway Engineering

基　　金：国家自然科学基金面上项目(51579091)。

摘　　要：依托实际工程,对桩基挡板式透空堤的消浪特性开展物理模型试验研究,优化堤型结构,并将前人的研究成果进行应用。结果表明,对于受越浪影响较大的防波堤,堤后透射系数与堤顶越浪和堤底透浪有关,有必要在计算时考虑堤顶越浪这个因素;对桩基挡板式透空堤进行设计优化时,可以通过增加挡浪板的入水深度或增加堤顶高程或两者同时调整等方式增强其消浪特性;推荐使用Wiegel公式进行单挡板桩基透空堤透浪系数的估算;各家公式有各自的适用条件且针对的结构形式较简单,运用到实际工程中存在误差,需要分析不同工程所处的环境特点及结构设计特点,合理选择公式进行计算。Relying on the actual project,we carry out the physical model test on the wave-eliminating characteristics of the permeable dike with baffle pile foundation,optimize the dike structure,and apply the previous research results.The results show that for breakwaters that are greatly affected by waves,the transmission coefficient behind the dike is related to the waves over the top of the dike and the seepage of the waves at the bottom of the dike,and it is necessary to consider the factor of waves over the top of the dike in the calculation.When optimizing the design of empty dikes,the wave-eliminating characteristics can be enhanced by increasing the water penetration depth of the wave breaker or increase the elevation of the top of the dike or adjusting both at the same time.It is recommended to use Wiegel formula to estimate the wave transmission coefficient of permeable dike with single-baffle pile foundation.Each formula has its own applicable conditions and the targeted structure is relatively simple,there are errors when it is applied to actual projects,and it is necessary to analyze the environmental characteristics and structural design characteristics of different projects,and reasonably select formulas for calculation.

关 键 词：挡板式桩基透空堤 透浪系数 波浪物理模型试验 

分 类 号：TU473[建筑科学—结构工程] U656.2[建筑科学—土工工程]