首都机场AMECO-A380机库动力特性测试与分析
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摘要
采用环境随机振动法对北京首都国际机场AMECO-A380六机位维修机库大跨空间网架结构进行了现场结构动力特性测试。利用谱分析方法对实测数据进行了参数识别和处理,并进行了振型分析,确定了机库屋架结构的自振频率和振型。并用有限元模型计算了结构自振频率和振型。对测试和计算结果进行的分析比较结果表明,结构基本周期的测试值和计算值接近,各自所对应的第1阶振型吻合较好。
The dynamic characteristic of the AMECO-A380 maintenance hangar in Beijing capital airport was field-tested excited by environmental random loads.The test data were analyzed by using the spectrum analysis and the natural frequency and the mode of structure were obtained.Based on a finite element model of the hangar structure,the parameters of structural dynamic characteristic were calculated and compared with the measured values.The analysis shows that the test result of fundamental natural frequency agrees well with the finite element calculation result as well as the first mode shape respectively.
引文
[1]沈顺高,刘先明,叶继红,等.首都机场四机位机库的动力特性测试及理论分析[J].东南大学学报:自然科学版,2003,33(1):76-78.
    [2]姚振纲,刘祖华.建筑结构试验[M].上海:同济大学出版社,1996.
    [3]张晓志,于双久.高耸塔结构动力特性的检测与分析[J].地震工程与工程振动,1999,19(3):7-15.
    [4]李国强,陈素文,李杰,等.上海金茂大厦结构动力特性测试[J].土木工程学报,2000,33(2):35-39.
    [5]陈常松,田仲初,郑万泔,等.大跨度混凝土斜拉桥模态试验技术研究[J].土木工程学报,2005,38(10):72-75.
    [6]李枝军,李爱群,缪长青.刚架拱桥病害与损伤识别的动力学研究[J].振动、测试与诊断,2008,28(4):388-389.

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