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首页> 外文期刊>Steel & Composite Structures: An International Journal >Predicting the axial load capacity of high-strength concrete filled steel tubular columns
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Predicting the axial load capacity of high-strength concrete filled steel tubular columns

机译：预测高强度钢管混凝土柱的轴向承载能力

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摘要

The aim of this paper is to investigate the appropriateness of current codes of practice for predicting the axial load capacity of high-strength Concrete Filled Steel Tubular Columns (CFSTCs). Australian/New Zealand standards and other international codes of practice for composite bridges and buildings are currently being revised and will allow for the use of high-strength CFSTCs. It is therefore important to assess and modify the suitability of the section and ultimate buckling capacities models. For this purpose, available experimental results on high-strength composite columns have been assessed. The collected experimental results are compared with eight current codes of practice for rectangular CFSTCs and seven current codes of practice for circular CFSTCs. Furthermore, based on the statistical studies carried out, simplified relationships are developed to predict the section and ultimate buckling capacities of normal and high-strength short and slender rectangular and circular CFSTCs subjected to concentric loading.
机译：本文的目的是研究现行操作规范在预测高强度钢管混凝土柱（CFSTC）轴向承载能力方面的适用性。目前正在修订澳大利亚/新西兰标准以及复合桥梁和建筑物的其他国际惯例，以允许使用高强度的CFSTC。因此，重要的是评估和修改截面和最终屈曲能力模型的适用性。为此，已经评估了在高强度复合柱上可获得的实验结果。将收集到的实验结果与矩形CFSTC的八个现行操作规范和圆形CFSTC的七个现行操作规范进行比较。此外，基于进行的统计研究，开发了简化的关系以预测承受同心载荷的正常和高强度短而细长的矩形和圆形CFSTC的截面和最终屈曲能力。

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