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首页> 外文期刊>Thin-Walled Structures >Effect of web holes on web crippling strength of cold-formed steel channel sections under end-one-flange loading condition - Part II: Parametric study and proposed design equations
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Effect of web holes on web crippling strength of cold-formed steel channel sections under end-one-flange loading condition - Part II: Parametric study and proposed design equations

机译:端部一凸缘载荷条件下腹板孔对冷弯型钢槽钢腹板抗压强度的影响-第二部分:参数研究和拟议的设计方程

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摘要

This paper reports the second part of a study on the web crippling strength of cold-formed steel channel sections with web holes under the end-one-flange (EOF) loading condition. A parametric study is presented, using validated finite element models from the companion paper, that investigates the effect of web hole and cross-section sizes. The holes are located either centred above the bearing plates or with a horizontal clear distance to the near edge of the bearing plates. It was demonstrated that the main factors influencing the web crippling strength are the ratio of the hole depth to the depth of the web, the ratio of the length of bearing plates to the flat depth of the web and the location of the holes as defined by the distance of the hole from the edge of the bearing plate divided by the flat depth of web. In this study, design recommendations in the form of web crippling strength reduction factor equations are proposed, which are conservative when compared with the experimental and finite element results. (C) 2016 Elsevier Ltd. All rights reserved.
机译:本文报道了在端部一凸缘(EOF)载荷条件下带腹板孔的冷弯型钢槽钢腹板的抗压强度研究的第二部分。利用随附论文中经过验证的有限元模型,进行了参数研究,以研究腹板孔和横截面尺寸的影响。孔位于轴承板上方的中心,或与轴承板的近边缘之间有一个水平净距。结果表明,影响纸幅耐压强度的主要因素是孔深度与纸幅深度之比,承压板长度与纸幅平坦深度之比以及孔的位置,如孔距轴承板边缘的距离除以腹板的平坦深度。在这项研究中,提出了以腹板抗折强度减小因子方程形式提出的设计建议,与实验结果和有限元结果相比,这些建议是保守的。 (C)2016 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Thin-Walled Structures 》 |2016年第10期| 489-501| 共13页
  • 作者单位

    Queens Univ, SPACE, David Keir Bldg, Belfast BT9 5AG, Antrim, North Ireland;

    Univ Strathclyde, Dept Mech & Aerosp Engn, 75 Montrose St, Glasgow G1 1XJ, Lanark, Scotland;

    Queens Univ, SPACE, David Keir Bldg, Belfast BT9 5AG, Antrim, North Ireland|Univ Auckland, Civil & Environm Engn, 20 Symonds St, Auckland, New Zealand;

    Queens Univ, Dept Mech & Aerosp Engn, Belfast BT9 5AH, Antrim, North Ireland;

    Univ Strathclyde, Dept Mech & Aerosp Engn, 75 Montrose St, Glasgow G1 1XJ, Lanark, Scotland;

    Univ Hong Kong, Dept Civil Engn, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Cold-formed steel; Web crippling; Finite element analysis; Web hole; Channel section; Reduction factor; Design recommendations;

    机译:冷弯型钢;腹板起皱;有限元分析;腹板孔;槽形截面;减小系数;设计建议;

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