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한국해양공학회 한국해양공학회지 한국해양공학회지 제9권 제2호
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    초록·키워드

    When structures are constructed by welding, structural elements are always accompanied by welding residual stress and deformation. Therefore, when the rigidity and strength of the welded structures is considered, it is very important to have sufficient information about the effect of initial deflection and welding residual stress on them.
    In this paper, the square plates with welding residual stress under compression are dealt with; First, heat conduction and thermal elastic-plastic problems are analyzed by finite element method using 4-node isoparametric elements for assessment on the ultimate strength of welding joint. Later, the ultimate strength of welding joint is assessed by examining the effect of changed type of loading.
    The specimens are 500×500㎜(a/b=1) and 750×500㎜(a/b=1.5) rectangular plates of whichthicknesses is 9.0㎜ and simply supported plates getting axiul load in each direction.

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      UCI(KEPA) : I410-ECN-0101-2009-559-015521087