开孔锥形截面受弯曲行为影响的非线性分析

IF 1.4 Q2 ENGINEERING, MULTIDISCIPLINARY

World Journal of Engineering Pub Date : 2023-05-17 DOI:10.1108/wje-08-2022-0341

F. De’nan, N. Hashim, Mohd Yusri Mohamad Razak

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引用次数: 0

摘要

锥形型钢由于其结构效率高、外形美观等优点，在房屋建筑设计中得到了广泛的应用。由于腹板锥形规格在金属建筑行业的实际应用，分析了制造和材料费用，以实现几何和经济生产力。本研究的目的是研究利用带开口的腹板型材减轻钢梁重量的有效性。设计/方法/方法本文通过有限元分析研究了带开口锥形截面钢弯曲性能的非线性分析。然后将结果与没有开口的锥形钢截面在位移和屈服力矩方面的结果进行比较。采用有限元分析方法对锥形截面钢的抗弯承载力进行了分析。结果表明，与具有不同尺寸腹板开孔的截面相比，没有开孔的锥形截面具有更高的抗弯能力。结果还表明，减少开口数量会增加抗弯能力，而增加开口尺寸会降低抗弯能力。带开口和不带开口的锥形钢截面之间的屈服力矩差异仅为15.818%。共进行了60次非线性分析，以研究腹板开口数量和尺寸的影响，翼缘厚度和腹板厚度对弯曲行为的影响。然而，这项研究表明，与其他开口尺寸和形状相比，八边形和0.6D尺寸的腹板开口（其中D是截面深度）在屈服力矩和体积减小方面显示出最佳截面。独创性/价值还发现，锥形钢截面在较厚的法兰和腹板上具有更好的抗弯矩性能。这项研究对从事钢结构工作并需要优化带腹板开口的锥形型钢性能的工程师和设计师来说很有价值。

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The nonlinear analysis of tapered steel section with opening due to the effects of bending behavior

Purpose Tapered steel sections are widely used in house building design due to their structural efficiency and aesthetic appearance. Due to the practical usage of web tapering specifications in the metal building industry, fabrication and material expenses are analyzed to achieve geometric and economic productivity. The purpose of this study is to investigate the effectiveness of utilizing web profiles with openings in reducing the weight of steel beams. Design/methodology/approach In this paper, the nonlinear analysis of the bending behavior of a tapered steel section with an opening was studied by finite element analysis. The results were then compared with those of the tapered steel section without an opening in terms of displacement and yield moment. Findings The bending capacity of a tapered steel section was analyzed using finite element analysis. Results showed that the tapered steel section without openings had a higher bending capacity compared to the section with various sizes of web openings. The results also showed that decreasing the number of openings would increase the bending capacity, whereas increasing the size of the opening would decrease it. The difference in the yield moment between the tapered steel section with and without openings was only 15.818%. A total of 60 nonlinear analyses were conducted to investigate the effect of the number and size of web openings, flange thickness and web thickness on the bending behavior. However, this study showed that web opening with octagon shape and 0.6D size of web opening, where D is the depth of section, showed the best section in terms of yield moment and volume reduction compared to other opening size and shape. Originality/value It is also found that tapered steel section has better moment resistance in thicker flange and web. The study is valuable for engineers and designers who work with steel structures and need to optimize the performance of tapered steel sections with web openings.

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来源期刊

World Journal of Engineering ENGINEERING, MULTIDISCIPLINARY-

CiteScore

4.20

自引率

10.50%

发文量

期刊介绍： The main focus of the World Journal of Engineering (WJE) is on, but not limited to; Civil Engineering, Material and Mechanical Engineering, Electrical and Electronic Engineering, Geotechnical and Mining Engineering, Nanoengineering and Nanoscience The journal bridges the gap between materials science and materials engineering, and between nano-engineering and nano-science. A distinguished editorial board assists the Editor-in-Chief, Professor Sun. All papers undergo a double-blind peer review process. For a full list of the journal''s esteemed review board, please see below.