継手塑性ヒンジによる鋼梁の高剛性化に関する実験的研究

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  • Experiment study on push up sti_ness for steel beam by means of Joint-Plastic-Hinge

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In practice, plastic-hinge is evaluated by perfect elastoplasticity type shown in Figure l （c）. But in fact, the stress increases while bearing gentle slope after expressing full plastic endurance. And if we use FA rank members which satisfy limitation of width-thickness-ratio, local backling will occur by accumulating plastic deformation. Under the circumstances, we propose Beam-Joint-Plastic-Hinge and aim for improving the evaluation precision of plastic-hinge. In this study, we focus on keeping base materials elastic when we introduce Beam-Joint-Plastic-Hinge and explain the possibility loosens limitation of width-thickness-ratio. We design the FC rank test specimen which is introduced Beam- Joint-Plastic-Hinge is introduced. Next, we compare FA rank test specimen and FC rank test specimen.

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