Structural Performance Evaluation of Steel Fiber-Reinforced Concrete Beams with Recycled Coarse Aggregates
| Autor: | Yoon-Keun Kwak, Thomas H.-K. Kang, Jae-Lin Shin, Woosuk Kim, Seung-Min Baek |
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| Rok vydání: | 2015 |
| Předmět: |
Materials science
business.industry Materials Science (miscellaneous) Building and Construction Structural engineering Fiber-reinforced concrete Reinforced concrete law.invention Shear (geology) Mechanics of Materials law Volume fraction Crack resistance Composite material Reinforcement business Civil and Structural Engineering |
| Zdroj: | Journal of the Korea Concrete Institute. 27:215-227 |
| ISSN: | 1229-5515 |
| Popis: | In this study, twenty four steel-fiber reinforced concrete (SFRC) beams using recycled coarse aggregates (RCA) were manufactured to examine the shear behavior of SFRC and to determine the beams' ultimate shear strengths. The RCA replacement ratio was fixed at 30%. The variables studied in this investigation are: (1) shear span-to-depth ratios (a/d) of 2, 3 and 4; (2) longitudinal reinforcement ratio () of 0.008 and 0.0127; and (3) steel fiber volume fractions (Vf) of 0, 0.5, 0.75 and 1%. Test results were analyzed and then compared with the findings and proposals of various other researchers. Based on the test results, the more steel fiber volume fraction is increased, the large crack resistance and shear strength are exhibited. Most of the experimental data is higher than the theoretical value. Therefore, steel-fiber reinforced concrete beams using recycled coarse aggregates are suggested to be applied for building structures. |
| Databáze: | OpenAIRE |
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