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工程力学  2012 

十字形钢管混凝土芯柱在不同约束条件下侧向冲击作用的动力响应分析

DOI: 10.6052/j.issn.1000-4750.2012.04.S061, PP. 201-204

Keywords: 结构工程,动力响应,数值模拟,侧向冲击,钢管混凝土,约束条件

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Abstract:

研究十字形钢管混凝土芯柱在侧向冲击作用下的动力响应与约束条件的关系。利用有限元分析软件ABAQUS对4根十字形钢管混凝土芯柱构件在侧向冲击作用下的动力响应进行了模拟和分析比较。通过构件的位移时程曲线可知,除悬臂构件的最大侧向位移出现在自由端外,其余构件最大侧向位移都出现在冲击部位。比较分析不同约束条件下构件的位移时程曲线可以总结出,随着约束的减弱,构件侧向位移随之增大。

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