Damage Criterion Modified CEGB Approach for Welded T -joints

DOI
  • Wang Bo
    Associate Prof ., Ph.D, Tsinghua University, China JSPS Research fellow, Kumamoto University
  • KUROBANE Yoshiaki
    professor, Doctor of Eng., Dept, of Architecture and Civil Eng., Kumamoto University, Japan
  • MAKINO Yuji
    professor, Doctor of Eng., Dept, of Architecture and Civil Eng., Kumamoto University, Japan

Bibliographic Information

Other Title
  • 溶接T継手の損傷基準と修正CEGB法

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Description

A damage criterion is proposed to govern the macrocrack initiation for welded structures. Non-linear FE analyses on welded T-joints are performed by using ABAQUS. Numerical results show that the damage criterion gives good prediction for the macrocrack initiation in welded T-joints. Fracture toughness tests on SS400 are carried out to obtain Jic in terms of the JSME Standard. According to the modified CEGB assessment procedure, the ultimate Collapse load and the crack driving force of cracked T-joints are investigated by FE analyses. Cracked T-joints are tested under the combined loads of tension and bending. Numerical and experimental results are compared with the criterion curve. The results indicate that the modified CEGB approach is suitable for the safety assessment of defected welded T-joints.

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Details 詳細情報について

  • CRID
    1390282680292102144
  • NII Article ID
    130004301424
  • DOI
    10.11273/jssc1994.4.1
  • ISSN
    18840329
    18809928
  • Data Source
    • JaLC
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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