矩形腹板开口工字钢的分析:试验与有限元研究

S. Morkhade, L. Gupta
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引用次数: 21

摘要

【摘要】六七十年来,有规则间隔的六角形、圆形和矩形腹板开口的工字钢梁一直在使用。因此,本文的目的是通过进行实验和参数研究来检查具有矩形腹板开口的钢工字梁的性能。利用商用有限元软件ANSYS v.12进行了基于有限元分析的参数化研究,包括圆角半径、矩形开口长径比、开口周围加强筋位置以及开口位置对矩形腹板开口钢梁承载能力的影响。对这种类型的梁进行了全面研究,结果表明,圆角半径为腹板厚度2倍或25mm(以最小值为准)的矩形开口,长径比为1.6,腹板开口周围的水平或垂直加强筋形式的加强筋被发现是非常有效的。圆角半径和刚度…
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis of steel I-beams with rectangular web openings: experimental and finite element investigation
AbstractSteel I-shaped beams with web openings of shapes like hexagonal, circular and rectangular at regular intervals have been used since last 60–70 years. Therefore aim of this paper is to examine the behaviour of steel I-beams with rectangular web openings by performinganexperimental and parametric study. A parametric study based on finite element analysis consists of effect of fillet radius, aspect ratio of rectangular openings, stiffeners position around the openings and effect of positions of openings on load carrying capacities of steel beam with rectangular web openings was carried out by using a commercial finite element software ANSYS v.12. An overall study of such type of beam was carried out and results shows that rectangular openings having fillet radius either 2 times thickness of web or 25 mm (whichever is minimum), aspect ratio of 1.6 and reinforcement either in the form of horizontal or vertical stiffeners around the web openings found to be very effective. The fillet radius and stiffene...
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