Kou kouzou rombunshuu
Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
DEVELOPMENT STUDY OF PATCH PLATE REPAIR METHOD WITH SPOT WELDING
Masayuki TAIHidehiko SEKIYATakuyou KONISHIKaoru YOKOYAMAChitoshi MIKI
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2017 Volume 24 Issue 95 Pages 95_59-95_67

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Abstract

Patch plate repair method with spot welding for corroded members in steel structures has been investigated. The proposed welding condition can apply to the assemblage of thin and thick steel plates, and its tensile shear load of one spot welding was 11kN. When the patch plate repair method with spot welding was applied to assemblage base plate of 9mm and patch plate of 1.6mm, at least 2 columns were necessary to prevent the rupture at welded joints. Based on analysis results, first and second column spot welds from the patch plate edge transfer about 80% and 20% of total carrying load in the patch plate. Fatigue test results of spot welded joints showed JSSC D class.

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© 2017 Japanese Society of Steel Construction
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