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夹层板轴向受压时屈曲后性能的有限元分析 被引量:1

THE FINITE ELEMENT ANALYSIS OF THE POSTBUCKLING BEHAVIOUR OF SANDWICH PANELS SUBJECTED TO AXIAL PRESSURE
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摘要 以Narayan Pokharel,Mahen Mahendran试验[1]模型为研究依据,用有限元法对受单向轴向压力作用的夹层板进行了屈曲以及屈曲后性能分析。根据Winter公式计算出了板件的有效宽度,并与有限元计算结果以及试验结果进行比较,发现当夹层板宽厚比较大时,Winter公式过高地估计了板件的有效宽度,结果是偏于不安全的。最后,提出了有效宽度的建议公式。 The buckling and postbuckling behaviour of sandwich panels subjected to axial pressure was analyzed by using finite element method.The results revealed the inadequacy of formula of conventional effective width for sandwich panels with slender plates.The suggested formula of effective width is proposed in the end.
出处 《工业建筑》 CSCD 北大核心 2006年第z1期542-545,共4页 Industrial Construction
关键词 夹层板 有效宽度 屈曲 屈曲后性能 sandwich panels effective width buckling postbuckling behavior
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参考文献5

  • 1[1]Narayan Pokharel,Mahen Mahendran.Experimental Investigation and Design of Sandwich Panels Subjected to Local Buckling Effects.Journal of Constructional Steel Research,2003,59:1 533-1 552
  • 2[2]Davies JM,Hakmi MR.Local Buckling of Profiled Sandwich Plates//Mixed Structures Including New Materials.Proceedings of IABSE Symposium.Brussels:1990:533-538
  • 3[3]Mahendran M,Jeevaharan M.Local Buckling Behaviour of Steel Plate Elements Supported by a Plastic Foam Material.Structural Engineering and Mechanics,1999,7(5):45-433
  • 4[4]International Council for Building Research,Studies and Documentation(CIB).European Recommendations for Sandwich Panels,Part 1:Design,CIB Publication,2000:147
  • 5[5]Winter G.Strength of Thin Steel Compression Flanges.Trans,ASCE,1947,47:193-210

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