深水高桩承台哑铃状钢吊箱在地震作用下的响应分析
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摘要
以苏通大桥主塔#5墩钢吊箱为例,建立有限元模型,计算其频率和振型分布,并对哑铃形状钢吊箱结构进行地震作用下的响应谱分析,研究钢吊箱在地震情况下的响应特点,验证其安全可靠性。
In this paper,in order to analyze the response of dumbbell-shape steel suspending cofferdam under seismic action,a steel suspending cofferdam of the largest frusta in Su-tong great bridge is taken as an example.A finite element mode is founded and the frequencies and modes are solved and a spectrum analysis is done.On the base of the solution,the response property of dumbbellshape steel suspending cofferdam under seismic action is researched and the safety is validated.
引文
[1]徐明祥,杨春生.钢吊箱围堰的施工技术.山西建筑,2004;5
    [2]周炳成,文桂录.深水桥承台钢吊箱设计与加固技术.铁道建筑技术,2002;5
    [3]杜志强,刘利君,景改萍.单壁钢吊箱围堰施工技术.2002;4
    [4]黄龙华,刘杰文,任旭初.潮汐河段特大型深水钻孔桩基础施工技术.桥梁建设,2003;5
    [5]中华人民共和国国家标准GB50011-2001.建筑抗震设计规范.北京:中国建筑工业出版社,2001

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