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논문 기본 정보

자료유형
학술저널
저자정보
Sun‑Jin Han (University of Seoul) Deuck Hang Lee (Nazarbayev University) Jae‑Yuel Oh (Sejin R&S) Seung‑Ho Choi (University of Seoul) Kang Su Kim (University of Seoul)
저널정보
한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.12 No.5
발행연도
2018.7
수록면
581 - 596 (16page)

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초록· 키워드

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In this study, prestressed hybrid wide flange (PHWF) composite girders were proposed, and full-scale flexural tests were conducted to evaluate their structural performances. This new proposed girder system was developed and designed to effectively resist external loads considering the actual construction sequences. Two specimens with and without shear connectors were fabricated and tested to examine the effect of the shear connectors for achieving the fully-composite behaviors between a cast-in-place (CIP) concrete and the prefabricated prestressed steel–concrete composite girder. The test results showed that sufficient flexural strengths and deformation capacities can be obtained in both types of PHWF composite girders with and without shear connectors. To reflect the actual construction stages of the proposed PHWF composite girder, nonlinear flexural analyses were proposed considering the prestress effect and segmental effect before and after composite with the CIP concrete, respectively. The observed and analysis results of strain behaviors of the PHWF girder specimens were also compared and discussed in detail.

목차

Abstract
1. Introduction
2. Experimental Program
3. Comparison of Nonlinear Flexural Behavior Model and Experimental Results
4. Conclusion
References

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