• Journal of Korean Society of Steel Construction
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• v.18 no.5
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• pp.665-675
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• 2006

With building structures becoming higher and longer-spanned, the need for high-strength and reliable steel is increasing. For this reason, the SM570TMC steel plate was developed. Despite its excellent mechanical properties, however, its welding properties, which are well-known to be superior to those of other equivalent steel plates, have not been verified yet. In this study, welding specimens fabricated via SA and FCA welding, with two domestic welding materials and one Japanese welding material in site welding conditions, were evaluated.