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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.26 No.4
- 발행연도
- 2020.1
- 수록면
- 367 - 375 (9page)
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초록· 키워드
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Today, the use of special technologies in the admixture of concrete has made tremendous progress, but the problem that has always existed in the construction of concrete members is the brittleness and lack of loading bearing after cracking, which leads to reduced strength and energy absorption. One of the best ways to fix this is to reinforce the concrete with steel fibers. Steel fibers also control cracks due to dry shrinkage, reduce structural crack width, and improve impact resistance. In this study, recycled steel fibers from worn tires have been used in the manufacture of concrete samples, the secondary benefits of which are the reduction of environmental pollution. One of the disadvantages of steel fiber reinforced concrete is the corrosion of steel fibers and their deterioration in harsh environments such as coastal areas. Corrosion caused by chlorine ions in metal fibers causes deterioration and early decommissioning of structures in corrosive environments. In this study, the effect of the dosage of steel fibers (dosages of 15, 30, and 45 kg of fibers per cubic meter of concrete) and aspect ratio of fibers (aspect ratio of 25 and 50) on compressive and flexural strength of concrete samples are investigated. In the following, the effect of fiber corrosion on the results of the mechanical properties of concrete samples is examined. The results show that the increase in fiber causes a relative increase in compressive strength, and a significant increase in flexural strength, and corrosion of steel fibers without reducing workability reduces compressive strength and flexural strength by up to 6 to 11%, respectively.
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참고문헌 (34)
참고문헌 신청
Vahid Afroughsabet / 2015 / Mechanical and durability properties of high-strength concrete containing steel and polypropylene fibers / Construction and Building Materials 94(30):73~82
Ahamdi, M. / 2015 / Role of recycled steel fibers from tires on concrete containing recycled aggregate from building waste / Concrete Res 7(2):57~68
Masoud Ahmadi / 2020 / New empirical approach for determining nominal shear capacity of steel fiber reinforced concrete beams / Construction and Building Materials 234(20):117293
Alizade, E. / 2016 / Effect of steel fiber corrosión on mechanical properties of steel fiber reinforced concrete / Asian J. Civil Eng 17(2):147~158
Mokhtar Ansari / 2019 / Fiber element-based nonlinear analysis of concrete bridge piers with consideration of permanent displacement / Structural Engineering and Mechanics, An Int＇l Journal 69(3):243~255
Ahamdi, M. / 2015 / Role of recycled steel fibers from tires on concrete containing recycled aggregate from building waste / Concrete Res 7(2):57~68
Masoud Ahmadi / 2020 / New empirical approach for determining nominal shear capacity of steel fiber reinforced concrete beams / Construction and Building Materials 234(20):117293
Alizade, E. / 2016 / Effect of steel fiber corrosión on mechanical properties of steel fiber reinforced concrete / Asian J. Civil Eng 17(2):147~158
Mokhtar Ansari / 2019 / Fiber element-based nonlinear analysis of concrete bridge piers with consideration of permanent displacement / Structural Engineering and Mechanics, An Int＇l Journal 69(3):243~255
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