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作者:

Chen, X. W. (Chen, X. W..) | Yuan, H. X. (Yuan, H. X..) | Du, X. X. (Du, X. X..) | Zhao, Y. (Zhao, Y..) (学者:赵艳) | Ye, J. (Ye, J..) | Yang, L. (Yang, L..) (学者:杨璐)

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摘要:

The shear buckling behaviour of welded stainless steel plate girders with transverse stiffeners has been experimentally and numerically investigated in this paper. A total of seven plate girders with rigid/non-rigid end posts were fabricated from hot-rolled stainless steel plates, and each of the plate girders was subjected to a concentrated load at mid-span. The shear buckling characteristics and postbuckling behaviour were observed. Prior to testing, the initial local geometric imperfections and the material properties were accurately measured. The critical shear buckling strengths of the web plates were determined from the recorded surface strains and out-of-plane deflections, which were further compared with theoretically predicted values from elastic and inelastic assumptions. By using the general finite element (FE) software package ABAQUS, elaborated FE models were developed and validated against the obtained test results and other available existing test data. Upon validation of the FE models, parametric studies were subsequently carried out to explore the influences of initial local geometric imperfections, web aspect ratios, end post conditions, and material properties over a wide range of web slendernesses. The obtained test/FE results, together with other existing test data, were summarised to evaluate the current codified provisions in GB 50017, EN 1993-1-5, EN 1993-1-4, EN 1993-1-4 + A1 and the design proposals from Estrada et al. Based on the test and numerical results, an alternative design approach that could account for the material non-linearity and rigid and non-rigid end posts has been proposed, which provides accurate and reasonable strength predictions for stainless steel plate girder with transverse stiffeners.

关键词:

Shear buckling Design method Stainless steel Transverse stiffeners FE modelling Plate girders

作者机构:

  • [ 1 ] [Chen, X. W.]Wuhan Univ, Sch Civil Engn, Wuhan 430072, Hubei, Peoples R China
  • [ 2 ] [Yuan, H. X.]Wuhan Univ, Sch Civil Engn, Wuhan 430072, Hubei, Peoples R China
  • [ 3 ] [Du, X. X.]Wuhan Univ, Sch Civil Engn, Wuhan 430072, Hubei, Peoples R China
  • [ 4 ] [Zhao, Y.]Wuhan Univ, Sch Civil Engn, Wuhan 430072, Hubei, Peoples R China
  • [ 5 ] [Ye, J.]Univ Bath, Dept Architecture & Civil Engn, Bath BA2 7AY, Avon, England
  • [ 6 ] [Yang, L.]Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • [Yuan, H. X.]Wuhan Univ, Sch Civil Engn, Wuhan 430072, Hubei, Peoples R China

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来源 :

THIN-WALLED STRUCTURES

ISSN: 0263-8231

年份: 2018

卷: 122

页码: 529-544

6 . 4 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:156

JCR分区:1

被引次数:

WoS核心集被引频次: 35

SCOPUS被引频次: 37

ESI高被引论文在榜: 0 展开所有

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