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Test-supported numerical analysis for evaluation of the load capacity of thin-walled corrugated profiles

机译:测试支持的数值分析,用于评估薄壁波纹型材的负载能力

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The paper concentrates on a quantitative evaluation of the load capacity of thin-walled, curved steel profiles used as arched roofs in building structures. Corrugation of a profile surface formed by cold rolling changes its load capacity as compared to thin-walled profiles. The paper presents a comparative evaluation of the influence of a sample profile corrugation on its ability to transfer internal forces. The results of the study are presented as limit curves describing load capacity at simultaneous bending and compression. The analysis was conducted using a numerical computational method supported by a study of elements in natural scale. The paper presents a methodology of test-supported calculations and guidelines for practical use by designers.
机译:本文致力于定量评估建筑结构中用作拱形屋顶的薄壁曲线型钢的承载能力。与薄壁型材相比,冷轧型材表面的波纹改变了其承载能力。本文对样品剖面波纹对其传递内力能力的影响进行了对比评估。研究结果以极限曲线的形式呈现,描述了同时弯曲和压缩时的承载能力。分析采用了一种数值计算方法进行,该方法得到了自然尺度元素研究的支持。本文介绍了一种测试支持的计算方法,以及供设计者实际使用的指南。

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