摘要 |
PROBLEM TO BE SOLVED: To prevent a beam main reinforcement-bar from coming off.SOLUTION: X-direction beam main reinforcement-bars 22A and 22C, Y-direction beam main reinforcement-bars 22B and 22D, and Z-direction column main reinforcement-bars 12L and 12U are connected together so that deformation of each beam main reinforcement-bar 22 can be restrained. Thus, each beam main reinforcement-bar 22 is prevented from coming off. |