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.
|Number of pages||23|
|Journal||International Journal of Damage Mechanics|
|Publication status||Published - 2017 Jul 1|
Bibliographical notePublisher Copyright:
© The Author(s) 2015.
All Science Journal Classification (ASJC) codes
- Computational Mechanics
- Materials Science(all)
- Mechanics of Materials
- Mechanical Engineering