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Nonlinear finite element analysis of ultra-high-performance fiber-reinforced concrete beams

Title
Nonlinear finite element analysis of ultra-high-performance fiber-reinforced concrete beams
Author
류두열
Keywords
Ultra-high-performance fiber-reinforced concrete; finite element analysis; tension-softening curve; micromechanics; fiber orientation
Issue Date
2017-07
Publisher
SAGE PUBLICATIONS LTD
Citation
INTERNATIONAL JOURNAL OF DAMAGE MECHANICS, v. 26, no. 5, page. 735-757
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.
URI
https://journals.sagepub.com/doi/abs/10.1177/1056789515612559?journalCode=ijdahttps://repository.hanyang.ac.kr/handle/20.500.11754/115001
ISSN
1056-7895; 1530-7921
DOI
10.1177/1056789515612559
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ARCHITECTURAL ENGINEERING(건축공학부) > Articles
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