Shear Capacity Contribution of Steel Fiber Reinforced High-Strength Concrete Compared with and without Stirrupopen access
- Authors
- Yuan, Tian-Feng; Yoo, Doo-Yeol; Yang, Jun-Mo; Yoon, Young-Soo
- Issue Date
- Apr-2020
- Publisher
- SPRINGER
- Keywords
- shear capacity; hooked steel fiber; stirrups; high-strength concrete
- Citation
- INTERNATIONAL JOURNAL OF CONCRETE STRUCTURES AND MATERIALS, v.14, no.1, pp.1 - 15
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- INTERNATIONAL JOURNAL OF CONCRETE STRUCTURES AND MATERIALS
- Volume
- 14
- Number
- 1
- Start Page
- 1
- End Page
- 15
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/145944
- DOI
- 10.1186/s40069-020-0396-2
- ISSN
- 1976-0485
- Abstract
- This study presents the shear capacity of eco-friendly high-strength concrete (HSC) beams reinforced by 0.75% (by volume) of hooked steel fibers or shear stirrups with various spacings. Five large-scale HSC beams with steel fibers or stirrups were tested and investigated with respect to shear capacity, failure mode, and crack patterns. The test results indicate that all five tested beams finally failed by a shear-critical failure mode and that the use of 0.75 vol% of steel fibers significantly improved the shear strength although it decreased the diagonal crack angle of HSC beam in the case of without stirrups. There are some different properties compared with ACI 318-19 recommendation, but the use of 0.75 vol% steel fibers exhibited approximately 13.2% higher shear strength when compared with that of minimum shear reinforcement for the HSC beam. Furthermore, the shear capacity of steel fibers calculated by experimental data, and it was compared with several prediction equations. The prediction models containing fiber factor were more closely agreeable with test results with a minimum of 10.9% difference.
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