LOCAL BUCKLING OF WELDED STEEL OUTSTANDS

The dissertation contains details of a theoretical analysis for predicting the load-deflection characteristics of slender simply-supported plain flat outstands (beam or column flanges, plain flat stiffeners in stiffened plating) in compression, including the effect of welding residual stresses and initial imperfections. A study of hinged plain flat outstands in compression is also described, and the results enable a design curve of strength against slenderness to be drawn. The agreement between experimental and predicted strengths is quite good. For bulb flats, high rolling residual stresses and a considerable variation in the yield stress across the section have been found. Compression tests have been conducted on bulb-flat cruciform columns to investigate the effect of different imperfection shapes on strength. The results indicate that a relaxation in the merrison fabrication tolerance could be made. Finally, a design method is presented for outstand failure in stiffened steel compression panels. /TRRL/

  • Corporate Authors:

    Cambridge University, England

    Trumpington Street
    Cambridge CB2 1PZ,   England 
  • Authors:
    • Rogers, N A
  • Publication Date: 1975-2

Media Info

  • Features: Figures; Photos; References; Tables;
  • Pagination: 290 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00133837
  • Record Type: Publication
  • Source Agency: Transport and Road Research Laboratory (TRRL)
  • Report/Paper Numbers: Thesis
  • Files: ITRD, TRIS
  • Created Date: Nov 9 1977 12:00AM