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Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
Design Evaluation for Bending Performance of SBHS400 Girder under Japanese Specifications for Highway Bridges and AASHTO.LRFD
Koichi YOKOZEKITomonori TOMINAGAMasahide TAKAGIKoji HOMMA
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2016 Volume 23 Issue 89 Pages 89_97-89_110

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Abstract

This paper investigates the bending performance and design applicability of I-girders with Steels for Bridge High Performance Structure 400 (SBHS400). Though SBHS400 can reduce the construction cost, the effect of its high yielding ratio on bending performance has not been fully investigated. In this study, maximum bending resistance and rotation capacity of SBHS400 girders were evaluated and compared to existing design curve and girders with a conventional material by experiments and finite element analyses. Parametric study was conducted with varying width-thickness ratios and strain hardening characteristics. It was clarified through this research that bending capacities of SBHS400 girders are almost same as with conventional steel girders and satisfy criterion of current AASHTO LRFD bridge design specifications and Japanese design specifications for highway bridges.

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© 2016 Japanese Society of Steel Construction
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