Construction of Roller-Compacted Concrete Pavementby David W. Pittman, US Army Engineer Waterways, Experiment Station, Vicksburg, MS, USA,
Document Type: Proceeding Paper
Part of: Earthmoving and Heavy Equipment
Roller-compacted concrete pavement (RCCP) is the product of a relatively new concrete paving technology in which a zero-slump portland cement concrete mixture is spread with modified asphalt pavers and compacted with vibratory and rubber-tired rollers. Because of the ease and simplicity of this construction method, savings of one-third or more of the cost of conventional concrete pavement construction are possible. RCCP construction procedures are described in this paper, from subgrade and base course preparation to curing procedures. Equipment needed for mixing, transporting, placing, compacting, and curing RCCP are described. Procedures for fresh-joint, cold-joint, and horizontal-joint construction are recommended, and various curing procedures and their results are discussed. Quality control and quality assurance practices, including checking the in situ density of RCCP with a nuclear density gauge and the smoothness with a 10-ft (3. 05-m) straightedge, are outlined.
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