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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.21 No.5
- 발행연도
- 2018.1
- 수록면
- 539 - 546 (8page)
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초록· 키워드
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Making a transverse opening in concrete beams in order to accommodate utility services through the member instead of below or above of that, sometimes may be necessary. It is obvious that inclusions of an opening in a beam decreases its flexural and shear strengths. Fabricated steel bars are usually used to increase the capacity of the opening section, but details of reinforcements around the opening are dense and complex resulting in laborious pouring and setup process. The goal of this study was to investigate the possibility of using steel fibers in concrete mixture instead of complex reinforcement detailing order to strengthen opening section. Nonlinear finite element method was employed to investigate the behavior of steel fiber reinforced concrete beams. The numerical models were validated by comparison with experimental measurements tested by other investigators and then used to study the influence of fiber length, fiber aspect ratio and fiber content on the shear performance of SFRC slender beams with opening. Finally, it was concluded that the predicted shear strength enhancement is considerably influenced by use of steel fibers in concrete mixture but the effect of fiber length and fiber aspect ratio wasn’t significant.
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참고문헌 (28)
참고문헌 신청
Abbas, A.A. / 2014 / Seismic response of steel fiber reinforced concrete beamcolumn joints / Eng. Struct. 59:261~283
Abbas, Y.M. / 2016 / Influence of fiber properties on shear failure of steel fiber reinforced beams without web reinforcement: ANN modeling / Lat. Am. J. Solid Struct. 13:1483~1498
1995 / ACI Committee 318 and American Concrete Institute and International Organization for Standardization, Building Code Requirements for Structural Concrete (ACI 318-08) and Commentary, Beams in Shear
Piero Colajanni / 2012 / Generalization of shear truss model to the case of SFRC beams with stirrups / Computers and Concrete, An International Journal 9(3):227~244
Comite Euro-International Du Beton / 1993 / CEB-FIP MODEL CODE 1990
Abbas, Y.M. / 2016 / Influence of fiber properties on shear failure of steel fiber reinforced beams without web reinforcement: ANN modeling / Lat. Am. J. Solid Struct. 13:1483~1498
1995 / ACI Committee 318 and American Concrete Institute and International Organization for Standardization, Building Code Requirements for Structural Concrete (ACI 318-08) and Commentary, Beams in Shear
Piero Colajanni / 2012 / Generalization of shear truss model to the case of SFRC beams with stirrups / Computers and Concrete, An International Journal 9(3):227~244
Comite Euro-International Du Beton / 1993 / CEB-FIP MODEL CODE 1990
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