Very Thin Surfacings For Improving Skid Resistance of Concrete Pavements

Paper by GÓMEZ SCBOLER from ISCR 6th 1990

This paper describes work on the skid resistance properties of some fine aggregates available in Indiana, as an attempt to improve the driving safety characteristics of concrete pavements. In this work the British Polishing Machine and the Portable Skid-Resistance Tester were used for laboratory evaluation of some mortar mixes. Aggregates considered included natural sand, expanded shale and slag. It was found that cement mortars that included latex or acrylic admixtures and either slag or lightweight aggregate gave high skid numbers. The same materials placed in a very thin overlay (3 mm thick) with the brooming technique, proved to be successful in providing good bonding and high skid resistance at the field.

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