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滨海公路辽河特大桥斜拉桥动力特性试验研究 被引量:3

Experimental Research on Dynamic Characteristics of Cable-stayed Bridge of Liaohe River Grand Bridge of Coastal Highway
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摘要 以辽宁省滨海公路辽河特大桥斜拉桥部分为例,介绍了利用ansys有限元软件进行双塔双索面钢箱梁斜拉桥动力特性理论分析的方法,研究了大型桥梁现场模态测试(脉动试验)、跑车、跳车、刹车等动态试验的技术要点,通过对理论计算值与现场测试的结果进行分析比较,表明该桥具有良好的结构动力特性,抗风稳定性较好,在常规车辆荷载的作用下,不易出现受迫共振现象,具有良好的使用性能。 Taking the part of cable - stayed bridge of Liaohe River Grand Bridge of coastal highway of Liaoning province as an example, the method of utilizing ansys finite element software to make theoretical analysis on dynamic characteristics of cable - stayed bridge with double tower and double cable steel box girder is introduced, and technical points of dynamic test like field modal test ( pulsation test) of large bridge, slide down, vehicle jump, brake and so on are researched. Through the analysis and comparison of theoretical calculation value and field test result, it shows that the bridge has good dynamic behavior of structure and better wind - resistant stability. Under the effect of general vehicle load, the bridge has good character of service without stress and resonance phenomenon.
作者 邓昌宁
出处 《北方交通》 2012年第12期61-64,共4页 Northern Communications
关键词 斜拉桥 动力特性 试验研究 Cable -stayed bridge Dynamic characteristics Experimental research
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