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首页> 外文期刊>International journal of steel structures >Nominal Moment Capacity of Hybrid Composite Sections using HSB600 High-Performance Steel
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Nominal Moment Capacity of Hybrid Composite Sections using HSB600 High-Performance Steel

机译:使用HSB600高性能钢的混合复合型材的标称弯矩能力

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This paper contains a parametric study to develop provisions for predicting the nominal moment capacity of hybrid composite girders using HSB600 high-performance steel in the positive bending region. The ultimate moment capacity and the ductility of a wide range of hybrid composite sections are calculated using moment-curvature analysis, and the plastic moment of each section is obtained using simple plastic theory. The obtained moment capacity and the ductility of hybrid composite sections are compared to the previous research work and the current AASHTO LRFD's design equations. The comparison results show that there are considerable differences in moment capacity distribution between the hybrid composite sections and the conventional composite sections. It was also observed that the hybrid composite sections have sufficient rotation capacity similar to the conventional composite sections. Based on the results of the parametric study, new design equations are proposed for predicting the nominal moment capacity of hybrid composite sections. It is expected that the new design equations can be applied to simple supported or continuous hybrid composite beams in plastic design.
机译:本文包含一项参数研究,以开发预测在正弯曲区域使用HSB600高性能钢的混合复合梁的名义弯矩能力的规定。使用弯矩-曲率分析计算了各种混合复合材料截面的极限弯矩承载力和延性,并使用简单塑性理论获得了每个截面的塑性弯矩。将获得的混合复合材料截面的弯矩承载力和延性与之前的研究工作和当前的AASHTO LRFD的设计方程进行了比较。比较结果表明,在混合复合材料段和常规复合材料段之间,力矩承载力分布存在很大差异。还观察到,混合复合材料部分具有与常规复合材料部分相似的足够的旋转能力。根据参数研究的结果,提出了新的设计方程式,用于预测混合复合材料截面的名义弯矩承载力。可以期望将新的设计方程式应用于塑料设计中的简单支撑或连续混合组合梁。

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