Journal
JOURNAL OF MATERIALS IN CIVIL ENGINEERING
Volume 17, Issue 4, Pages 379-383Publisher
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)0899-1561(2005)17:4(379)
Keywords
fibers; dispersion; Portland cements; mortars; electrical resistivity
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The degree of dispersion of short microfibers in cement, as assessed by electrical resistivity measurement for the case of electrically conductive fibers at a volume fraction below the percolation threshold, is improved by the use of admixtures (namely, silica fume, acrylic particle dispersion, methylcellulose solution, and silane) and fiber surface treatment (such as ozone treatment). Acrylic particle dispersion is more effective than latex particle dispersion.
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