多支承激励下自锚式悬索桥空间地震反应分析
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摘要
基于随机振动理论,考虑了地震动空间效应,对一座主跨240米自锚式混凝土悬索桥在多支承激励下进行了地震反应分析,以及在地震波的三向正交分量独立作用和联合作用下的地震反应进行了数值计算,探讨了行波效应和部分相干效应对自锚式悬索桥地震反应的影响.
Based on random vibration theory, by taking into account the seismic action with spatial variation, the earthquake response of a self-anchored suspension bridge with center span of 240m to multiple-support excitations is investigated, and numerical calculation is presented for seismic response subjected to independent effect or combination effect of three orthogonal components of seismic wave. The seismic response of self-anchored suspension bridge by considering traveling effect and correlated effect is discussed in detail.
引文
[1]ABDEL-GHAFFERAM,NAZMYAS.3-DNolinearseismicbehaviorofcable-stayedbridges.[J]JournalofstructuralEngineering,1988,117(11):3456-3476.
    [2]ABDEL-GHAFFERAM,RUBINLI.Suspensionbridgeresponsetomultiple-supportexcitations[J].JournaloftheEngineeringMechanicsDivision,ASCE,1982,108(EM2):419-435.
    [3]ABDEL-GHAFFERAM,RUBINLI.Lateralearthquakeresponseofsuspensionbridges[J].JournalofStructuralEngineering,1983,109(3):664-675.
    [4]项海帆.斜张桥在行波作用下的地震反应分析.[J]同济大学学报,1983,11(2):1-8.
    [5]范立础,王君杰,陈 玮.非一致地震激励下大跨度斜拉桥的响应特征[J].计算力学学报,2001,18(3):358-363.
    [6]林家浩,张亚辉,赵 岩.大跨度结构抗震分析方法及近期进展[J].力学进展,2001,31(3):350-360.
    [7]李国豪.工程结构抗震动力学[M].上海:上海科学技术出版社,1980.
    [8]刘春城,张 哲,石 磊.压弯耦和效应下自锚式悬索桥自由振动研究[J].哈尔滨工业大学学报,2004,36(1):109-111.
    [9]屈铁军,王前信.多点输入地震反应分析研究的进展[J].世界地震工程,1993,11(1):30-36.

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