Experimental and numerical analysis of the flexural response of amorphous metallic fiber reinforced concrete
- Authors
- Yoo, Doo-Yeol; Banthia, Nemkumar
- Issue Date
- Feb-2017
- Publisher
- SPRINGER
- Keywords
- Amorphous metallic fiber reinforced concrete; Mechanical properties; Tension-softening curve; Sectional analysis; Post-peak ductility
- Citation
- MATERIALS AND STRUCTURES, v.50, no.1
- Indexed
- SCIE
SCOPUS
- Journal Title
- MATERIALS AND STRUCTURES
- Volume
- 50
- Number
- 1
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/152934
- DOI
- 10.1617/s11527-016-0899-0
- ISSN
- 1359-5997
- Abstract
- The goal of this study was to investigate the compressive and flexural behaviors of amorphous metallic fiber reinforced concrete (AM-FRC). Two water-to-cementitious material ratios (w/cm of 0.6 and 0.45) and three volume fractions of amorphous metallic fibers (v(f) of 0.25, 0.5, and 0.75 %) were considered. To predict the pre- and post-cracking flexural behaviors of AM-FRC beams, sectional analyses were performed using two different material models. Test results indicated that a lower w/cm led to higher compressive strength, higher elastic modulus, and higher brittleness. The compressive strain capacity and post-peak ductility were improved by increasing fiber content. Almost linear increases in flexural strength and deflection capacity were obtained with increased fiber content, while a higher compressive strength (a lower w/cm) resulted in a higher flexural strength but did not significantly change the deflection capacity. The sectional analysis based on RILEM TC 162-TDF significantly overestimated the post-peak ductility of AM-FRC beams, whereas the sectional analysis incorporating the material models proposed by the authors exhibited good agreement with the test data.
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