A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Mortar Mixtures for Thin, Skid Resistant Concrete Surfaces
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 portland cement concrete pavements. For this purpose, mortar samples were tested under the British Polishing Machine to simulate the wearing action of the traffic, and by means of the Portable Skid-Resistance Tester, the best aggregate and mix proportions were selected to be applied as a very thin non-skid surface overlay for concrete pavements. The laboratory analysis considers the non-skid properties of the fine aggregates: natural sand, light-weight aggregate (expanded shale) and slag, after the surface texture of the overlay has been lost, which is the most critical situation. The cement modifiers Latex 464 and Rhoplex MC-76 were used to improve strength and bond capacity of the mortars. In this investigation, the adhesion developed by the thin overlay on a pavement surface was evaluated at the laboratory by means of the Pull Out Test; in this test the force required to pull out a section of the overlay is recorded as a result.
Mortar Mixtures for Thin, Skid Resistant Concrete Surfaces
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 portland cement concrete pavements. For this purpose, mortar samples were tested under the British Polishing Machine to simulate the wearing action of the traffic, and by means of the Portable Skid-Resistance Tester, the best aggregate and mix proportions were selected to be applied as a very thin non-skid surface overlay for concrete pavements. The laboratory analysis considers the non-skid properties of the fine aggregates: natural sand, light-weight aggregate (expanded shale) and slag, after the surface texture of the overlay has been lost, which is the most critical situation. The cement modifiers Latex 464 and Rhoplex MC-76 were used to improve strength and bond capacity of the mortars. In this investigation, the adhesion developed by the thin overlay on a pavement surface was evaluated at the laboratory by means of the Pull Out Test; in this test the force required to pull out a section of the overlay is recorded as a result.
Mortar Mixtures for Thin, Skid Resistant Concrete Surfaces
J. Gomez-Dominguez (author)
1978
81 pages
Report
No indication
English
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