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Swelling behaviour of a geofiber-reinforced expansive soil
B.V.S. viswanadham, B.R. Phanikumar, Viswanadham B.V.S, R.V. Mukherjee, Phanikumar B.R, Mukherjee R.V.
Published in
Volume: 27
Issue: 1
Pages: 73 - 76
This paper reports the results of laboratory study performed on expansive soil reinforced with geofibers and demonstrates that discrete and randomly distributed geofibers are useful in restraining the swelling tendency of expansive soils. Swelling characteristics of remoulded expansive soil specimens reinforced with varying fiber content (f = 0.25% and 0.50%) and aspect ratio (l/b = 15, 30 and 45) were studied. One-dimensional swell-consolidation tests were conducted on oedometer specimens. Reduction in heave and swelling pressure was the maximum at low aspect ratios at both the fiber contents of 0.25% and 0.50%. Finally, the mechanism by which discrete and randomly distributed fibers restrain swelling of expansive soil is explained with the help of soil-fiber interaction. © 2008 Elsevier Ltd. All rights reserved.
About the journal
JournalGeotextiles and Geomembranes
Open AccessNo
Concepts (5)
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    Expansive soil
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    Fiber reinforcement
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    Swell-consolidation test
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