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内压与局部轴压共同作用下钢筒仓屈曲性能研究(Ⅱ):屈曲应力计算方法
Authors
朱绪林
杜瑞红
王培军
Publication date
1 January 2017
Publisher
Editorial Department of Progress in Steel Building Structures, Tongji University
Doi
Cite
Abstract
采用有限元方法研究了考虑内压影响的局部轴压作用下钢筒仓屈曲应力。考察了内压、局部轴压分布角及径厚比等因素对钢筒仓屈曲应力的影响。将内压与局部轴压作用下钢筒仓屈曲应力的分析结果与现有规范中关于内压与均匀轴压作用下钢筒仓屈曲应力的计算结果相比较,发现现有规范公式不能准确计算内压与局部轴压作用下钢筒仓的屈曲应力。在参数分析的基础上,提出了相应的考虑内压影响的局部轴压作用下钢筒仓屈曲承载力计算公式。经验证,该公式与有限元分析结果吻合较好
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Last time updated on 28/12/2024