Roller Compacted Concrete Pavements (Jun 1989)

CCA Road Note 29 by Cement and Concrete Association

"Roller Compacted Concrete (RCC) is a dry highstrength concrete pavement material which is compacted by external rolling rather than internal vibration. When placed, RCC must be dry enough to support the weight and passage of rollers so that it does not shear, but moist enough during mixing to allow adequate distribution of the cementitious paste throughout the matrix. The properties of hardened RCC are similar to those of conventional concrete - it is the construction method and equipment which makes RCC different. The most obvious difference between the two is their appearance: RCC cannot be finished or textured like conventional concrete, it has an appearance similar to a grey asphaltic concrete. RCC has been in use in the USA for some years but was first introduced to Australia, as a pavement material, in Tasmania in 1986. Since then RCC has been used in pavement construction on both actual projects and developmental trials in NSW, Victoria, Queensland and South Australia, as well as in Tasmania. This article provides an outline of the materials, design and construction characteristics of RCC pavements."

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