Effect of aggregate gradations on properties of porous friction course mixes

This paper presents the study on effect of aggregate gradation on the mix design and performance properties of porous friction course (PFC) mixes. Six aggregate gradations were tested with due consideration to gradations specified for PFC or similar mixes by different agencies around the world. The...

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Bibliographic Details
Published in:Materials and structures 2010-07, Vol.43 (6), p.789-801
Main Authors: Suresha, S. N., George, Varghese, Ravi Shankar, A. U.
Format: Article
Language:English
Subjects:
Abrasion resistance
Aggregates
Applied sciences
Bitumen. Tars. Bituminous binders and bituminous concretes
Building construction
Building Materials
Buildings. Public works
Civil Engineering
Engineering
Exact sciences and technology
Framing
Friction
Machines
Manufacturing
Materials
Materials Science
Mixes
Moisture
Original Article
Permeability
Processes
Solid Mechanics
Theoretical and Applied Mechanics
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Summary:This paper presents the study on effect of aggregate gradation on the mix design and performance properties of porous friction course (PFC) mixes. Six aggregate gradations were tested with due consideration to gradations specified for PFC or similar mixes by different agencies around the world. The PFC mixes were characterized for volumetric properties, permeability, unaged and aged abrasion loss, moisture susceptibility, and rutting resistance. The results were statistically analysed to identify the factors that significantly influence the properties of PFC mixes. Findings of the study clearly indicate that the gradations specified by various agencies will have significant effect on the design properties of PFC mixes, thus they are different. It also, helps in framing the Master aggregate gradation band for PFC mixes. Generally, permeability property is considered to be an optional parameter in the design. However, the findings of the present study recommended considering the permeability as one of the prime parameters in the design of PFC mixes.
ISSN:1359-5997
1871-6873
DOI:10.1617/s11527-009-9548-1