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首页> 外文会议>Structural Stability Research Council Annual Stability Conference; 20070418-21; New Orleans,LA(US) >INELASTIC CYCLIC ANALYSIS AND STABILITY EVALUATION OF STEEL BRACES OF BOX SECTION
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INELASTIC CYCLIC ANALYSIS AND STABILITY EVALUATION OF STEEL BRACES OF BOX SECTION

机译：箱形截面钢支架的弹性循环分析与稳定性评估

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摘要

This paper deals with the inelastic cyclic analysis and stability (strength and ductility) evaluation of steel braces subjected to axial tension and compression. The inelastic cyclic performance of cold-formed steel braces of rectangular hollow box sections is examined through finite element analysis using the commercial computer program ABAQUS. First, some of the most important parameters considered in the practical design and ductility evaluation for steel braces of box sections are presented, and then the details of finite element modeling and numerical analysis are described. Later, the accuracy of the analytical model employed in the analysis is substantiated by comparing the analytical results with the available test data in the literature. Finally, the effects of some important structural and material parameters on cyclic inelastic behavior of steel braces are discussed and evaluated.
机译：本文涉及承受轴向拉力和压缩力的钢支架的非弹性循环分析和稳定性（强度和延性）评估。使用商用计算机程序ABAQUS通过有限元分析来检查矩形空心箱形截面的冷弯型钢支撑的非弹性循环性能。首先，介绍了箱形截面钢支撑的实际设计和延性评估中考虑的一些最重要的参数，然后详细描述了有限元建模和数值分析。后来，通过将分析结果与文献中的可用测试数据进行比较，证实了分析中使用的分析模型的准确性。最后，讨论并评估了一些重要的结构和材料参数对钢支架循环非弹性行为的影响。

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