800MPa급 고강도강재에 대한 KBC2009 판폭두께비 제한식적용에 대한 고찰

The objective of this study is to confirm which 800Mpa class steel is satisfied property and performance requirement as structure member,to consider for application of 800Mpa class steel by limit width-to-thickness ratio of KBC2009. For this reason, I had a stub-columns test of axial force, finally, it have estimated plastic deformable ability to need beamand column in theory, to compare plastic defor ability with strength magnification factor fromthe result, it has found that limit width-to-thickness of KBC2009 can noe be applied to 800MPa class steel for which this it does suub-columns test of axial force. As the result, it plastic deformable ability by strength magnification factor