Engineering Properties of Sand-Fiber Mixtures for Road Construction
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Volume 127, Issue 3
Abstract
The purpose of this investigation was to identify and quantify the effect of numerous variables on the performance of fiber-stabilized sand specimens. Laboratory unconfined compression tests were conducted on sand specimens reinforced with randomly oriented discrete fibers to isolate the effect of each variable on the performance of the fiber-reinforced material. Five primary conclusions were obtained from this investigation. First, the inclusion of randomly oriented discrete fibers significantly improved the unconfined compressive strength of sands. Second, an optimum fiber length of 51 mm (2 in.) was identified for the reinforcement of sand specimens. Third, a maximum performance was achieved at a fiber dosage rate between 0.6 and 1.0% dry weight. Fourth, specimen performance was enhanced in both wet and dry of optimum conditions. Finally, the inclusion of up to 8% of silt does not affect the performance of the fiber reinforcement.
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Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 127 • Issue 3 • March 2001
Pages: 258 - 268
History
Received: Sep 17, 1999
Published online: Mar 1, 2001
Published in print: Mar 2001
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