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Geotechnical and Geological Engineering

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01.02.2012 | Original Paper

Effect of Random Inclusion of Polypropylene Fibers on Strength Characteristics of Cohesive Soil

verfasst von: Pradip Kumar Pradhan, Rabindra Kumar Kar, Ashutosh Naik

Erschienen in: Geotechnical and Geological Engineering | Ausgabe 1/2012

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Abstract

This paper presents the effect of random inclusion of polypropylene fibers on strength characteristics of soil. Locally available cohesive soil (CL) is used as medium and polypropylene fibers with three aspect ratios (l/d = 75, 100 and 125) are used as reinforcement. Soil is compacted with standard Proctor’s maximum density with low percentage of reinforcement (0–1% by weight of oven-dried soil). Direct shear tests, unconfined compression tests and CBR tests were conducted on un-reinforced as well as reinforced soil to investigate the strength characteristics of fiber-reinforced soil. The test results reveal that the inclusion of randomly distributed polypropylene fibers in soil increases peak and residual shear strength, unconfined compressive strength and CBR value of soil. It is noticed that the optimum fiber content for achieving maximum strength is 0.4–0.8% of the weight of oven-dried soil for fiber aspect ratio of 100.

Vorheriger Artikel Geotechnical Properties of Sandy Seafloors and the Consequences for Dynamic Penetrometer Interpretations: Quartz Sand Versus Carbonate Sand

Nächster Artikel Landfill Base Liners: Assessment of Material Equivalency and Impact to Groundwater

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Titel: Effect of Random Inclusion of Polypropylene Fibers on Strength Characteristics of Cohesive Soil
verfasst von: Pradip Kumar Pradhan
Rabindra Kumar Kar
Ashutosh Naik
Publikationsdatum: 01.02.2012
Verlag: Springer Netherlands
Erschienen in: Geotechnical and Geological Engineering / Ausgabe 1/2012
Print ISSN: 0960-3182
Elektronische ISSN: 1573-1529
DOI: https://doi.org/10.1007/s10706-011-9445-6

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