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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 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.77 No.1
- 발행연도
- 2021.1
- 수록면
- 89 - 102 (14page)
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초록· 키워드
오류제보하기
Rapid construction of prefabricated bridges requires minimizing the field work of precast members and ensuring structural stability and constructability. In this study, we conducted experimental and analytical investigations of transverse joints of prefabricated T-girder bridge superstructures to verify the flexural performance and serviceability. In addition, we conducted parametric studies to identify the joint parameters. The results showed that both the segmented and continuous specimens satisfied the ultimate flexural strength criterion, and the segmented specimen exhibited unified behavior, with the flexural strength corresponding to that of the continuous specimen. The segmented specimens exhibited elastic behavior under service load conditions, and the maximum crack width satisfied the acceptance criteria. The reliability of the finite element model of the joint was verified, and parametric analysis of the convexity of the joint section and the compressive strength of the filler concrete showed that the minimum deflection and crack width occurred at a specific angle. As the strength of the filler concrete increased, the deflection and crack width decreased. However, we confirmed that the reduction in the crack width was hardly observed above a specific strength. Therefore, a design suitable for prefabricated bridges and accelerated construction can be achieved by improving the joint specifications based on the required criteria.
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참고문헌 (50)
참고문헌 신청
AASHTO / 2017 / LRFD Bridge Design Specifications / American Association of State Highway and Transportation Officials
ACI Standards / 2015 / Building Code Requirements for Structural Concrete (ACI 318-14) and Commentary (ACI 318R-14) / American Concrete Institute
Azizinamini, A. / 1999 / Proposed modifications to ACI 318-95 tension development and lap splice for high-strength concrete / ACI Struct. J 96(6):922~926
Bangash, M. Y. H. / 1989 / Concrete and Concrete Structures:Numerical Modelling and Applications / Elsevier Applied Science
Bu, Z. Y. / 2016 / Hysteretic modeling of unbonded posttensioned precast bridge columns with circular section based on cyclic loading test / J. Bridg. Eng 21(6):1~14
ACI Standards / 2015 / Building Code Requirements for Structural Concrete (ACI 318-14) and Commentary (ACI 318R-14) / American Concrete Institute
Azizinamini, A. / 1999 / Proposed modifications to ACI 318-95 tension development and lap splice for high-strength concrete / ACI Struct. J 96(6):922~926
Bangash, M. Y. H. / 1989 / Concrete and Concrete Structures:Numerical Modelling and Applications / Elsevier Applied Science
Bu, Z. Y. / 2016 / Hysteretic modeling of unbonded posttensioned precast bridge columns with circular section based on cyclic loading test / J. Bridg. Eng 21(6):1~14
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