Citation

Fuchs F. Transp. Res. Rec. 1981; 821: 56-60.

Copyright

(Copyright © 1981, Transportation Research Board, National Research Council, National Academy of Sciences USA, Publisher SAGE Publishing)

DOI

unavailable

PMID

unavailable

Abstract

One of the research projects on slipperiness being conducted by the Centre de Recherches Routieres in Belgium concerns the chip sprinkling of cement concrete pavements. Of all the surface treatments for fresh concrete, this technique is the only one that permits the use of polishable aggregates in the bulk of the concrete without prejudicing skid resistance. This is an obvious economic advantage in regions that do not have sufficient reserves of materials with a high resistance to polishing. The large-scale application of the procedure has required the construction of a chip-sprinkling machine, which is now operational for works carried out with both fixed and slip forms. Between 1974 and 1980, a number of large works have been completed in Belgium and France. Guidelines for optimal execution have been published that deal with the laying of the concrete and the chip sprinkling. Existing experimental roads have demonstrated the effectiveness and durability of the technique. The degree of skid resistance is related to the quality of the chipping stones used. The surface rolling noise of other type of skid-resisting pavements that have a random surface texture.