溶接欠陥を有するH形断面梁の塑性変形能力（その１）：開先形状が変形能力および亀裂進展に及ぼす影響

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  • DEFORMATION CAPACITY OF H－SECTION BEAM WITH WELD DEFECT (PART １): EFFECT OF GROOVE TYPE ON DEFORMATION CAPACITY AND CRACK PROPAGATION

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<p>When end tabs made of conventional ceramic are used for full penetration weld of beam-to-column connections, weld defects are ready to occur at the start point in the weld first pass. The defects are located at the inner surface of beam flanges for shop-welding types. On the other hand, at the outer surface of lower beam flanges for field-welding types. Therefore, weld defects of lower flanges for field-welding types result in poor plastic deformation capacity of the beam. In this paper, test results and finite element analysis results focused on groove types and height of weld defects are reported.</p>

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