Evaluation of Open-Graded Friction Course Mixtures Containing Cellulose Fibers and Styrene Butadiene Rubber Polymer

Open-graded friction course (OGFC) or porous mixtures consist of an open gradation, mostly of coarse size aggregate with little fines. The benefits of an OGFC mixture are typically increased surface permeability, noise reduction, and enhanced surface friction, especially in wet weather. This paper p...

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Bibliographic Details
Published in:Journal of materials in civil engineering 2005-08, Vol.17 (4), p.416-422
Main Authors: Hassan, Hossam F, Al-Oraimi, Salim, Taha, Ramzi
Format: Article
Language:English
Subjects:
Applied sciences
Bitumen. Tars. Bituminous binders and bituminous concretes
Buildings. Public works
Exact sciences and technology
Materials
Road construction. Pavements. Maintenance
Surfacing
TECHNICAL PAPERS
Transportation infrastructure
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Summary:Open-graded friction course (OGFC) or porous mixtures consist of an open gradation, mostly of coarse size aggregate with little fines. The benefits of an OGFC mixture are typically increased surface permeability, noise reduction, and enhanced surface friction, especially in wet weather. This paper presents the results of a study investigating four different OGFC mixes containing no additives, cellulose fibers, styrene butadiene rubber (SBR) polymer, and a combination of both fibers and SBR polymer. Mix designs were performed according to the design procedure proposed by the National Center of Asphalt Technology for a range of 4.5–6.5% asphalt content. The mixture containing fibers and SBR polymer was selected as an acceptable mix design with an optimum asphalt content of 6.5%. The moisture susceptibility of the selected mix at optimum asphalt content was evaluated. Results were compared with that for a dense mix.
ISSN:0899-1561
1943-5533
DOI:10.1061/(ASCE)0899-1561(2005)17:4(416)