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ASTM Selected Technical Papers
Resilient Modulus Testing for Pavement Components
By
GN Durham
GN Durham
editor
1
Durham Geo-Enterprises
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WL DeGroff
WL DeGroff
editor
2
Fugro South
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WA Marr
WA Marr
editor
3
GEOCOMP/GeoTesting Express
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ISBN-10:
0-8031-3461-4
ISBN:
978-0-8031-3461-4
No. of Pages:
282
Publisher:
ASTM International
Publication date:
2003

This paper focuses on the geotechnical characterization of a clayey soil and its mixture with polypropylene fiber. The laboratory testing program was directed to: (i) analysis of the influence of fiber content and fiber length on the unconfined compression strength of a clayey soil in order to determine optimum parameters to be used in repeated-loading triaxial tests, and (ii) analysis of the influence of fiber on the resilient modulus of the clayey soil, according to the Brazilian Standard DNER-ME 131/94. The laboratory testing data support that: (i) the mechanical response of the composite is fiber content and fiber length dependent; (ii) addition of fiber to the soil improves substantially its unconfined compression strength; and (iii) addition of fiber to the soil is also responsible for substantial decrease in its MR values, and produces a composite that can be useful in road engineering practice.

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,
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;
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, and
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,
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, “
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, and
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,
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,
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,
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,
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,
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,
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,”
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,
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,
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, and
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,
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,”
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,
Federal University of Juiz de Fora
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