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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.75 No.5
- 발행연도
- 2020.1
- 수록면
- 595 - 605 (11page)
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초록· 키워드
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In this study, the flexural behaviors of full-scale prestressed concrete box girders are experimentally investigated. Four girders were fabricated using two types of concrete (compressive strengths: 50 MPa and 70 MPa) and tested under four-point bending until failure. The measured parameters included the deflection, the stress and strain in concrete and steel bars, and cracks in concrete. The measurement results were used to analyze the failure mode, load-bearing capacity, and deformability of each girder. A finite element model is established to simulate the flexural behaviors of the girders. The results show that the use of high-performance concrete and reasonable combination of prestressed tendons could improve the mechanical performance of the box girders, in terms of the crack resistance, load-carrying capacity, stress distribution, and ductility.
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참고문헌 (34)
참고문헌 신청
Chen, C. P. / 2013 / Experimental Research on Deflection of External Pre-stressed Concrete Beam / Urban Roads Bridges & Flood Control 09:175~178
Chien-Kuo Chiu / 2018 / Experimental Investigation on Flexural Crack Control for High-Strength Reinforced-Concrete Beam Members / International Journal of Concrete Structures and Materials 12(4):471~490
Deng, L. Z. / 2001 / Nonlinear flexural behavior of prestressed concrete girder bridges / J. Bridge. Eng. 6(4):276
Djaknoun, S. / 2010 / Fracture toughness of high-performance concrete on three-Point bending notched beams at elevated temperature / Adv. Mater. Res 89(91):159~164
Ding, F. X. / 2008 / Damage constitutive model of concrete under uniaxial stress conditions / J. Chang’an. Univ. (Nat. Sci. Edit.) 28(04):70~73
Chien-Kuo Chiu / 2018 / Experimental Investigation on Flexural Crack Control for High-Strength Reinforced-Concrete Beam Members / International Journal of Concrete Structures and Materials 12(4):471~490
Deng, L. Z. / 2001 / Nonlinear flexural behavior of prestressed concrete girder bridges / J. Bridge. Eng. 6(4):276
Djaknoun, S. / 2010 / Fracture toughness of high-performance concrete on three-Point bending notched beams at elevated temperature / Adv. Mater. Res 89(91):159~164
Ding, F. X. / 2008 / Damage constitutive model of concrete under uniaxial stress conditions / J. Chang’an. Univ. (Nat. Sci. Edit.) 28(04):70~73
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