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Dynamic increase factors for fiber-reinforced cement composites: A review
Cited 9 time in
Web of Science
Cited 11 time in Scopus
- Authors
- Issue Date
- 2022-09
- Publisher
- Elsevier BV
- Citation
- Journal of Building Engineering, Vol.56, p. 104769
- Abstract
- This review summarizes dynamic increase factors (DIFs) obtained for the mechanical resistance of fiber-reinforced cement composites (FRCCs) under compression, tension, and shear at high strain rates. The effects of fiber type, fiber content, and matrix strength on the DIFs for the compressive, tensile and shear strength of FRCCs were analyzed. FRCCs generally exhibited higher DIFs under compression but lower DIFs under tension than those of normal concrete (NC) owing to fiber-bridging effects generating additional confining effects at high strain rates. However, the DIFs obtained for the tensile strength of FRCCs at strain rates greater than 300 s(-1) were higher than those obtained for the compressive and shear strength of FRCCs. The highest DIFs for the compressive, tensile, and shear strength of FRCCs were 5.80, 3.43, and 1.75, respectively. This study proposes new equations for predicting DIFs for the compressive, tensile, and shear strength of FRCCs at high strain rates.
- ISSN
- 2352-7102
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