Nonlinear finite element analysis of ultra-high-performance fiber-reinforced concrete beams
- Authors
- Yoo, Doo Yeol; Kang, Su-Tae; Banthia, Nemkumar; Yoon, Young-Soo
- Issue Date
- Jul-2017
- Publisher
- SAGE PUBLICATIONS LTD
- Keywords
- fiber orientation; finite element analysis; micromechanics; tension-softening curve; Ultra-high-performance fiber-reinforced concrete
- Citation
- INTERNATIONAL JOURNAL OF DAMAGE MECHANICS, v.26, no.5, pp.735 - 757
- Indexed
- SCIE
SCOPUS
- Journal Title
- INTERNATIONAL JOURNAL OF DAMAGE MECHANICS
- Volume
- 26
- Number
- 5
- Start Page
- 735
- End Page
- 757
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/151927
- DOI
- 10.1177/1056789515612559
- ISSN
- 1056-7895
- Abstract
- A nonlinear finite element analysis was performed to simulate the flexural behaviors of ultra-high-performance fiber-reinforced concrete beams. For this, two different tension-softening curves obtained from micromechanics-based analysis and inverse analysis were incorporated. For micromechanics-based analysis, two-dimensional and three-dimensional random fiber orientations were assumed to obtain the fiber-bridging curve, and a softening curve of matrix in ultra-high-performance fiber-reinforced concrete was used. The use of tension-softening curves obtained from inverse analysis and micromechanics-based analysis using two-dimensional random fiber orientation exhibited fairly good agreement with the experimental results, whereas the use of tension-softening curve from micromechanics-based analysis using three-dimensional random fiber orientation underestimated the experimental results.
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