CAJ | 학술논문

基于提出的抖振力模型和建立的风车桥耦合振动模型，发展了一种可以考虑抖振力空间相关性的风车桥耦合振动分析方法，并编制了相应的计算程序。以江顺长江大桥为工程背景，测试了桥梁抖振力的空间相关性和考虑车桥耦合作用的车桥气动参数，分析研究了桥梁抖振力空间相关性对侧风作用下桥梁和车辆耦合动力响应的影响。研究结果表明：桥梁抖振力空间相关性对桥梁动力响应有显著影响，对车辆的动力响应也有一定的影响。
기우제출적두진력모형화건립적풍차교우합진동모형，발전료일충가이고필두진력공간상관성적풍차교우합진동분석방법，병편제료상응적계산정서。이강순장강대교위공정배경，측시료교량두진력적공간상관성화고필차교우합작용적차교기동삼수，분석연구료교량두진력공간상관성대측풍작용하교량화차량우합동력향응적영향。연구결과표명：교량두진력공간상관성대교량동력향응유현저영향，대차량적동력향응야유일정적영향。
Based on the buffeting force model and the model for the wind-vehicle-bridge system presen-ted in the paper,an approach to study the coupling vibration of wind-vehicle-bridge system considering the coherence of buffeting forces was developed and the corresponding calculating program was built.The ap-plication of the proposed methodology on the Jiangshun Bridge in China was presented as a numerical ex-ample.The coherence of the buffeting forces of the bridge and the aerodynamic parameters of the bridge and the vehicle considering the aerodynamic interference between the bridge and the vehicle were measured in wind tunnel.The effect of the coherence of buffeting forces of the bridge on the dynamic performance of both the bridge and the vehicles under cross winds were discussed.It is found that the coherence of the buffeting forces of the bridge has significant effect on the dynamic responses of the bridge,and some im-pact on the dynamic responses of the vehicle.