Behavior of cement based matrices reinforced by randomly dispersed microfibers

D. A. Lange; C. Ouyang; S. P. Shah

doi:10.1016/S1065-7355(96)90066-8

Behavior of cement based matrices reinforced by randomly dispersed microfibers

D. A. Lange^*, C. Ouyang, S. P. Shah

^*Corresponding author for this work

Civil and Environmental Engineering

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

A study on behavior of cement based matrices reinforced by randomly distributed microfibers is summarized. Effects of volume fraction, length and type of fiber, and type of cement based matrix were experimentally examined using uniaxial tensile specimens and three-point bend beams. The matrix fracture properties were measured by a RILEM recommended test procedure. A confocal microscopy technique was used to measure fracture surface roughness, a parameter that was shown to correlate with fracture properties. By incorporating the obtained matrix fracture properties, fiber aspect ratio, and fiber-matrix interface bond into a fracture mechanical R-curve approach, mechanical responses of cement based matrices reinforced by fibers can be predicted. Advanced Cement Based Materials 1996, 3, 20-30

Original language	English (US)
Pages (from-to)	20-30
Number of pages	11
Journal	Advanced Cement Based Materials
Volume	3
Issue number	1
DOIs	https://doi.org/10.1016/S1065-7355(96)90066-8
State	Published - Jan 1 1996

ASJC Scopus subject areas

Ceramics and Composites
Industrial and Manufacturing Engineering

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AB - A study on behavior of cement based matrices reinforced by randomly distributed microfibers is summarized. Effects of volume fraction, length and type of fiber, and type of cement based matrix were experimentally examined using uniaxial tensile specimens and three-point bend beams. The matrix fracture properties were measured by a RILEM recommended test procedure. A confocal microscopy technique was used to measure fracture surface roughness, a parameter that was shown to correlate with fracture properties. By incorporating the obtained matrix fracture properties, fiber aspect ratio, and fiber-matrix interface bond into a fracture mechanical R-curve approach, mechanical responses of cement based matrices reinforced by fibers can be predicted. Advanced Cement Based Materials 1996, 3, 20-30

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