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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
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.24 No.6
- 발행연도
- 2019.1
- 수록면
- 513 - 525 (13page)
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초록· 키워드
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In this work, an experimental research has been performed on Steel Fiber-Steel Reinforced Concrete (SFSRC)specimens subjected to four-point bending tests to evaluate the feasibility of mutual replacement of steel fibers and conventional reinforcement through studying failure modes, load-deflection curves, stiffness of characteristic points, stiffness degradation curves and damage analysis. The variables considered in this experiment included steel fiber volume percentage with and without conventional reinforcements (stirrups or steel fibers) with shear span depth ratios of S/D=2.5 and 3.5. Experimental results revealed that increasing the volume percentage of steel fiber decreased the creation and propagation of shear and bond cracks, just like shortening the stirrups spacing. Higher crack resistance and suturing ability of steel fiber can improve the stability of its bearing capacity. Both steel fibers and stirrups improved the stiffness and damage resistance of specimens where stirrups played an essential role and therefore, the influence of steel fibers was greatly weakened. Increasing S/D ratio also weakened the effect of steel fibers. An equation was derived to calculate the bending stiffness of SFSRC specimens, which was used to determine mid span deflection; the accuracy of the proposed equation was proved by comparing predicted and experimental results.
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참고문헌 (42)
참고문헌 신청
2011 / ACI318-11, 318, Building Code Requirements for Structural Concrete (ACI318-11) and Commentary, ACI318-11 / American Concrete Institute
Anderson, D / 2014 / Eurocode 4-Design of Composite Steel and Concrete Structure
Aoude, H. / 2012 / Response of steel fiberiber-reinforced concrete beams with and without stirrups / ACI Struct. J 109(3):359~367
Biolzi, L. / 2017 / Response of steel fiber reinforced high strength concre concrete beams : Experiments and code predictions / Cement Concrete Compos 77:1~13
Biolzi, L. / 2000 / Fracture of plain and fiber-reinforced high strength mortar slabs with EA and ESPI monitoring / Appl. Compos. Mater 7(1):11~12
Anderson, D / 2014 / Eurocode 4-Design of Composite Steel and Concrete Structure
Aoude, H. / 2012 / Response of steel fiberiber-reinforced concrete beams with and without stirrups / ACI Struct. J 109(3):359~367
Biolzi, L. / 2017 / Response of steel fiber reinforced high strength concre concrete beams : Experiments and code predictions / Cement Concrete Compos 77:1~13
Biolzi, L. / 2000 / Fracture of plain and fiber-reinforced high strength mortar slabs with EA and ESPI monitoring / Appl. Compos. Mater 7(1):11~12
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