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1. |
If 'd' is depth of web and 'tw' is thickness of web of a plate girder such that \(\dfrac{d}{t_w}\le 400 \ \varepsilon_w\), where \(\varepsilon_w=\sqrt{\dfrac{250}{f_y}}\), then: |
A. | end bearing stiffeners, intermediate transverse stiffeners and longitudinal stiffeners at 0.2d from compression face are needed |
B. | intermediate transverse stiffeners are needed in addition to end bearing stiffeners |
C. | end bearing stiffeners, intermediate transverse stiffeners, longitudinal stiffeners at 0.2d from compression face and at neutral axis are needed |
D. | only end bearing stiffeners are needed |
Answer» D. only end bearing stiffeners are needed | |