| 摘要 |
PROBLEM TO BE SOLVED: To make operations efficient by eliminating the marking-off operations during the assembly of an upper frame material, etc., and a vertical frame material, the operations for drilling a through hole for a joint bolt, and the like in the jointing of a wall frame of a steel house. SOLUTION: The joint structure 1 of the wall frame is characterized as follows: a cut 14, capable of being formed so as to be bent up, is made in a web part 2a of channel steel 2 constituting the upper or lower frame material; and the vertical frame material 4 is joined to a bent-up surface 3 formed by bending up the web part 2a inside the cut 14.
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