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钢框架结构典型震害的计算机模拟研究

, PP. 84-89

Keywords: 钢框架,震害,计算机模拟,节点域

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Abstract:

为模拟钢框架结构的典型震害,本文基于ANSYS软件建立了钢框架结构简化模型。该模型可以考虑楼板对钢框架结构整体性能的影响,并且进一步考虑了楼板与钢梁之间的滑移、节点域变形,以及梁柱节点焊缝的断裂等因素。应用本文建立的钢框架结构模型对北岭地震中BlueCross大厦的震害进行了模拟,与实际震害对比的结果表明,该模型能够比较精确地模拟地震作用下钢框架结构的响应。钢框架结构模型对节点焊缝断裂的钢框架结构震害研究有着重要的意义。

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