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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.65 No.2
- 발행연도
- 2018.1
- 수록면
- 163 - 171 (9page)
이용수
초록· 키워드
오류제보하기
Plain concrete is a brittle material with a very low tensile strength compared to compressive strength and critical tensile strain. This study analyzed the dynamic characteristics of high-performance fiber-reinforced cementitious composites based on slurry-infiltrated fiber concrete (SIFCON-based HPFRCC), which maximizes the steel–fiber volume fraction and uses high-strength mortar to increase resistance to loads, such as explosion and impact, with a very short acting time. For major experimental variables, three levels of fiber aspect ratio and five levels of fiber volume fraction between 6.0% and 8.0% were considered, and the flexural strength and toughness characteristics were analyzed according to these variables. Furthermore, three levels of the aspect ratio of used steel fibers were considered. The highest flexural strength of 65.0 MPa was shown at the fiber aspect ratio of 80 and the fiber volume fraction of 7.0%, and the flexural strength and toughness increased proportionally to the fiber volume fraction. The test results according to fiber aspect ratio and fiber volume fraction revealed that after the initial crack, the load of the SIFCON-based HPFRCC continuously increased because of the high fiber volume fraction. In addition, sufficient residual strength was achieved after the maximum strength; this achievement will bring about positive effects on the brittle fracture of structures when an unexpected load, such as explosion or impact, is applied.
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참고문헌 (12)
참고문헌 신청
2007 / ASTM C 1609, Standard Test Method for Flexural Performance of Fiber-Reinforced Concrete (Using Beam with Third-Point Loading / American Society for Testing and Materials (ASTM)
Banthia, N. / 2007 / Toughness enhancement in the steel fiber reinforced concrete through fibers hybridization / Cement Concrete Res. 37(9):1366~1372
Park, C. / 2016 / Fundamental properties and mechanical characteristics of high performance cement composite with steel fibers under high temperature / J. Struct. Integr. Mainten. 1(4):189~196
구동오 / 2014 / 비정질 강섬유보강콘크리트의 휨성능 특성 / 콘크리트학회 논문집 26(4):483~489
Kim, S.W. / 2014 / Evaluation on filling performance of high flow slurry with respect to quantity of fine aggregate / Proceedings of the Korea Institute for Structural Maintenance and Inspection 18(2):407~409
Banthia, N. / 2007 / Toughness enhancement in the steel fiber reinforced concrete through fibers hybridization / Cement Concrete Res. 37(9):1366~1372
Park, C. / 2016 / Fundamental properties and mechanical characteristics of high performance cement composite with steel fibers under high temperature / J. Struct. Integr. Mainten. 1(4):189~196
구동오 / 2014 / 비정질 강섬유보강콘크리트의 휨성능 특성 / 콘크리트학회 논문집 26(4):483~489
Kim, S.W. / 2014 / Evaluation on filling performance of high flow slurry with respect to quantity of fine aggregate / Proceedings of the Korea Institute for Structural Maintenance and Inspection 18(2):407~409
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