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논문 기본 정보

자료유형
학술저널
저자정보
Wei, Hu S. (Department of Materials and Structural Engineering, Nanjing Hydraulic Research Institute) Yu, Zhao K. (Department of Materials and Structural Engineering, Nanjing Hydraulic Research Institute) Jie, Wei C. (Department of Materials and Structural Engineering, Nanjing Hydraulic Research Institute)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제62권 제5호
발행연도
2017.1
수록면
577 - 585 (9page)

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To study the mechanical performances of prestressed steel-concrete composite box beam under combination of bending-shear-torsion, nine composite beams with different ratio of torsion to bending were designed. Torsion was applied to the free end of the beam with jacks controlled accurately with peripherals, as well as concentrated force on the mid-span with jacks. Based on experimental data and relative theories, mechanical properties of composite beams were analyzed, including torsional angle, deformation and failure patterns. The results showed that under certain ratio of torsion to bending, cracking and ultimate torsion increased and reached to its maximum at the ratio of 2. Three phases of process is also discussed, as well as the conditions of each failure mode.

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