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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.29 No.4
- 발행연도
- 2018.1
- 수록면
- 437 - 450 (14page)
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초록· 키워드
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A bridge comprising of two girders, such as a twin steel box-girder bridge, is classified as fracture critical (i.e., nonredundant). In this study, the various bridge components of the twin steel box-girder bridge are investigated to determine if these could be utilized to improve bridge redundancy. Detailed finite-element (FE) models, capable of simulating prominent failure modes observed in a full-scale bridge fracture test, are utilized to evaluate the contributions of the bridge components on the ultimate behavior and redundancy of the bridge sustaining a fracture on one of its girders. The FE models incorporate material nonlinearities of the steel and concrete members, and are capable of capturing the effects of the stud connection failure and railing contact. Analysis results show that the increased tensile strength of the stud connection and (or) concrete strength are effective in improving bridge redundancy. By modulating these factors, redundancy could be significantly enhanced to the extent that the bridge may be excluded from its fracture critical designation.
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참고문헌 (8)
참고문헌 신청
Connor, R. J. / 2007 / Prevention and mitigation strategies to address recent brittle fractures in steel bridges / J. Bridge Eng 12(2):164~173
Alex A. Hesse / 2014 / Approach-Span Failure of the Hoan Bridge as a Case Study for Engineering Students and Practicing Engineers / Journal of Performance of Constructed Facilities 28(2):341~348
주현성 / 2015 / Moment redistribution of continuous composite I-girder with high strength steel / Steel and Composite Structures, An International Journal 18(4):873~887
Daniel G. Linzell / 2011 / Parameters influencing seismic response of horizontally curved, steel, I-girder bridges / Steel and Composite Structures, An International Journal 11(1):21~38
Park, Y. / 2007 / After-fracture redundancy in simple span two-girder steel bridge / Struct. Eng. Mech., Int. J 27(6):651~670
Alex A. Hesse / 2014 / Approach-Span Failure of the Hoan Bridge as a Case Study for Engineering Students and Practicing Engineers / Journal of Performance of Constructed Facilities 28(2):341~348
주현성 / 2015 / Moment redistribution of continuous composite I-girder with high strength steel / Steel and Composite Structures, An International Journal 18(4):873~887
Daniel G. Linzell / 2011 / Parameters influencing seismic response of horizontally curved, steel, I-girder bridges / Steel and Composite Structures, An International Journal 11(1):21~38
Park, Y. / 2007 / After-fracture redundancy in simple span two-girder steel bridge / Struct. Eng. Mech., Int. J 27(6):651~670
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