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Restraint Intensity of Weld Joints in Structural Elements

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Abstract

Weld cracking is one of the most important problems which influence the qualities of welds in steel constructions. To evaluate the possibility of weld cracking, actual restraint intensity in weld joints must be known. In welding steel constructions, the intersection of butt weld joints and fillet weld joints is often experienced and is quite susceptible of weld cracking. At the intersection, it is usual practice to defer a certain length of fillet welds for preventing weld cracking. This paper presents a practical method of estimation of local restraint intensity in the intersection of butt weld joint and fillet weld joint. In the method the authors introduce a concept of the effective width which gives a width, in the plate, affected by the restraint force acting at the intersection. The effective width is decided by the dimensions of the joint and the length of weld deferment. The accuracy of the proposed method is verified for actual measurements of the restraint intensity in a butt weld joint of a deck longitudinal stiffener of an actual ship and the results obtained from the proposed method are very much close.

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Details

  • CRID
    1571980077209144704
  • NII Article ID
    110006484441
  • NII Book ID
    AA00867058
  • ISSN
    03874508
  • Text Lang
    en
  • Data Source
    • CiNii Articles

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