斜向波浪作用下接岸桥梁面板波浪力计算与模型试验  

Physical model test and calculation of wave force on shore-connectingbridge deck under oblique wave action

作　　者：孟艳秋[1] 童朝锋[1] MENG Yan-qiu;TONG Chao-feng(College of Harbor,Coastal and Offshore Engineering,Hohai University,Key Laboratory of Coastal Disaster and Defence,Ministry of Education,Hohai University,Nanjing,Jiangsu 210024,China)

机构地区：[1]河海大学港口海岸与近海工程学院,河海大学海岸灾害与防护教育部重点实验室,江苏南京210024

出　　处：《中国港湾建设》2025年第2期46-53,61,共9页China Harbour Engineering

基　　金：国家自然科学基金(U204020030)。

摘　　要：跨海大桥与护岸相连接处面板受力复杂,国内外现行的港口或桥梁工程规范只给出了波浪正向入射时离岸结构物面板的波浪力计算公式,没有考虑斜向波浪入射以及护岸对面板波浪力的影响。以厦门某跨海大桥工程为例,通过开展物理模型试验,研究斜向波浪作用下桥梁与直立护岸相接处面板所受波浪力和波浪压强分布。结果表明对于接岸桥梁面板,斜向波作用下面板所受波浪最大上托力大于正向波浪最大上托力,约为3倍。斜向波传播到直立护岸时产生反射,波高增大,桥梁接岸处面板底部波浪压强显著增大,压强由接岸处向离岸端逐渐减小。比较物模实测结果和现行规范计算结果,分析各波浪力计算公式的适用性,为工程设计提供依据和参考。The wave force on the deck at the connection between the bridge and the revetment is complicated.The current portor bridge engineering specifications at home and abroad only provide the formula for calculating the wave force on the deck ofthe offshore structure when the normal wave is incident,but do not take into account the influence of the oblique wave incidentand the impact of the revetment on the wave force of deck.Taking a cross-sea bridge project in Xiamen as an example,thephysical model test is carried out to study the wave force on deck at the connection between the bridge and the verticalrevetment under the action of oblique waves and the distribution of wave pressure.The results show that for the shore-connecting bridge deck,the maximum wave uplift force on the deck under the action of oblique waves is greater than themaximum uplift force under the action of normal waves,which is about 3 times.When the oblique wave propagates to thevertical revetment,the wave reflects by the revetment and the wave height increases,the wave pressure at the bottom of theshore-connecting bridge deck increases significantly,and the pressure gradually decreases from the connection side to theoffshore side.The applicability of each wave force formula is analyzed by comparing the measured results of physical modelwith the calculated results of calculation method,which provides basis and reference for engineering design.

关 键 词：波浪力 跨海大桥 斜向波 直立护岸 模型试验 

分 类 号：U656.113[交通运输工程—港口、海岸及近海工程] TV139.25[交通运输工程—船舶与海洋工程]