Jianzhu Gangjiegou Jinzhan基于双肢短剪切型耗能段的耗能机制、形状记忆合金（shape memory alloy， SMA）棒材的超弹性特性和碟形弹簧的恢复力特性，提出了一种自复位双肢剪切型耗能段（self-centering coupled shear link， SC-CSL），该耗能段可有效提高中心支撑钢框架结构的抗震性能和震后恢复能力。采用校正的有限元法对SC-CSL的力学性能进行分析，研究其滞回性能和破坏模式；随后对考虑了SMA棒材直径和碟形弹簧刚度的10个模型进行了参数分析。结果表明：SC ...
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Bamboo, as a naturally fast-growing renewable resource, is abundant in China and supported by a wellestablished industrial foundation, making it a crucial material for promoting green building development.
SHI, DA
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, 2011 本文提出了一个模拟组合梁栓钉受力性能的有限元模型,该模型采用8节点实体单元来模拟混凝土楼板、钢梁与栓钉,压型钢板则采用8节点双曲度壳单元来模拟。该模型充分考虑了荷载及边界约束情况,并假设压型钢板与混凝土楼板之间无相对滑移。本文应用该模型对一系列栓钉推出试验进行了模拟分析,结果表明该有限元模型能精确地模拟组合梁中栓钉的受力性能。此外,本文还研究了无侧向支撑试件在推出试验中的非成熟破坏问题,解释了破坏机理 ...
王隽
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