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首页> 外文会议>International Conference on Vibration Problems >Axial Resistance of Short Built-up Cold-Formed Steel Columns: Effect of Lacing Slenderness
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Axial Resistance of Short Built-up Cold-Formed Steel Columns: Effect of Lacing Slenderness

机译：短组合冷弯型钢柱的轴向阻力：拉筋长细比的影响

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摘要

Cold-formed steel (CFS) construction has become popular in the recent decades mainly due to their favorable features like higher yield strength, easy fabrication/handling, faster cost-effective construction, etc. Built-up members are often used as columns in structures with demands to resist large axial forces. Past studies have mainly stressed on evaluating the performance of battened CFS columns. Therefore, there is a need to examine the behavior of built-up laced CFS columns under the axial loading conditions. This study stresses on the numerical investigation of the influence of lacing element slenderness on the compression capacity of built-up CFS columns. Cold-formed steel columns consisting of four angle sections were connected by single lacing configuration. Test results from literature were used to calibrate the nonlinear finite element model developed. The design strengths predicted by North American Standards (AISI S-100) are calculated and compared with the test results.
机译：近几十年来，冷弯型钢（CFS）结构已成为一种流行的结构形式，主要是由于其良好的特性，如更高的屈服强度、易于制造/搬运、更快的成本效益施工等。组合构件通常用作需要抵抗大轴力的结构中的柱。过去的研究主要侧重于评估板条碳纤维混凝土柱的性能。因此，有必要研究轴向荷载条件下组合带肋碳纤维混凝土柱的性能。本研究着重于拉筋构件长细比对组合碳纤维混凝土柱抗压承载力影响的数值研究。冷弯型钢柱由四个角形截面组成，通过单拉筋结构连接。使用文献中的测试结果来校准所开发的非线性有限元模型。计算了北美标准（AISI S-100）预测的设计强度，并与试验结果进行了比较。

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