PROBLEM TO BE SOLVED: To provide a joint structure for enabling sufficient transmission of the stress of a beam flange into a column while avoiding the impairment of concrete filling performance.;SOLUTION: The joint structure as a column-beam joint structure that a steel beam is joined to a steel column of a steel reinforced concrete column, includes the steel column having a plurality of column webs extending in different directions, and column flanges perpendicular to the front ends of the column webs, respectively, and a vertical stiffener provided thereon having a first plate part to be joined to one of the adjacent column flanges of the steel column and a second plate part not parallel to the first plate part, to be joined to the other of the adjacent column flanges. The vertical stiffener is mounted at a position including at least part of the height position of the steel beam to be joined to the steel column, where the beam flange is connected.;COPYRIGHT: (C)2014,JPO&INPIT
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