Jianzhu Gangjiegou Jinzhan, 2013 火力发电厂作为生命线工程,地震时要求其使用功能不可中断或需尽快恢复,从而为抗震救灾和灾后重建提供有力的支持和保障。因此,火力发电厂结构的抗震性能及经济性一直备受关注。在传统钢结构电力主厂房中引入防屈曲支撑以提高抗震性能,同时采用高强钢以减少钢材用量。采用SAP2000有限元分析软件对某钢结构火力发电厂置换防屈曲支撑及高强钢柱前后进行多遇地震下弹性分析及罕遇地震作用下弹塑性动力时程分析,从结构自振周期、底部剪力、用钢量、层间位移角、塑性铰分布等角度,探讨防屈曲支撑及高强钢在钢结构火力发电厂中应用的优势。
陈素文 +6 more
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Jianzhu Gangjiegou Jinzhan, 2019 外包混凝土组合钢板剪力墙抗剪承载力高、抗侧刚度大、耗能能力强,是一种有效的高层结构抗侧力构件。该构件利用钢筋混凝土板对钢板提供的侧向约束,使得钢墙板屈曲晚于剪切屈服。延性设计要求钢板进入剪切屈服后要有一定的变形耗能能力,混凝土板需达到一定的厚度才能保证钢板发生弹塑性屈曲。因此混凝土板厚需求是组合钢板剪力墙设计中的一个关键问题,但前人对于这方面的研究并不是很多。考虑栓钉间距、混凝土板厚度、钢板厚度、混凝土强度等级、墙板高宽比的变化对单面外包混凝土组合钢板剪力墙进行了弹塑性分析。基于有限元计算结果 ...
朱万俊, 顾强
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