Journal Paper

Paper Information

Journal: JOURNAL OF TRANSPORTATION RESEARCH | Year:1391 | Volume:9 | Issue:3 (32) | Start Page:293 | End Page:312

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Information Journal Paper

Title

INFLUENCE OF AGGREGATE GRADING AND CREATION OF MACROTEXTURE WITH THE TINNING METHOD ON THE SKID RESISTANCE OF CONCRETE PAVEMENTS

Writers

FAKHRI M. | TARIBAKHSH M.

Pages

 Start Page 293 | End Page 312

Abstract

 Providing adequate surface frictional resistance is a major requirement in the construction of CONCRETE PAVEMENTs. The choice of surface finishing treatment method is an important factor, which directly affects the SKID RESISTANCE properties of the pavement surface. Furthermore, there are currently no widely accepted guidelines or procedures for identifying and selecting methods of texturing CONCRETE PAVEMENTs that consider all the relevant technical, environmental, economic, and safety issues. To this end, the aim of this study was to investigate the functional relationship linking the MACROTEXTURE characteristics and SKID RESISTANCEs of CONCRETE PAVEMENTs, which required mixtures to be designed with consideration of three different grading aggregates based on the difference in nominal maximum aggregate size (NMAS). With acceptance of these three mixtures, the study consisted of an experimental program that involved SKID RESISTANCE testing of laboratory prepared specimens, which were textured using the TINING method in plastic concrete. The BRITISH PENDULUM TESTER and SAND PATCH METHOD were then applied for MICROTEXTURE and MACROTEXTURE measurements, respectively. Tines were raked in three different widths and with four different spacings, and BRITISH PENDULUM TESTER experiments were performed on transverse, skew and longitudinal tined surfaces. The results demonstrated that the SKID RESISTANCE of a concrete surface is significantly affected by the MACROTEXTURE. In addition, this paper finds that the friction value increases with an increase in tine width and decrease in tine spacing. Furthermore, the maximum friction was achieved when the pendulum move direction was perpendicular to the tine direction.

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