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钢框架带悬臂梁段拼接节点的承载特性分析
Authors
夏军武
常鸿飞
靳大勇
Publication date
1 January 2008
Publisher
Editorial Department of Progress in Steel Building Structures, Tongji University
Abstract
通过有限元计算研究钢框架带悬臂梁段等强拼接节点与可滑移拼接节点的承载特性,得到两者的弯矩-转角曲线和变形、破坏形态,分析不同拼接强度对节点承载性能的影响。经过分析发现虽然可滑移拼接节点的梁翼缘腹板拼接均有所削弱,但其极限承载力并未降低,且转动能力比等强拼接节点提高34.8%;进一步对可滑移拼接节点的变形进行分析,发现滑移能显著提高节点的塑性转角,并给出滑移对转角贡献的公式,与有限元计算结果吻合较好。在对比分析的基础上,给出钢框架带悬臂梁段拼接节点的"强焊弱栓"设计建议,供设计参考
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Last time updated on 28/12/2024