Published: 2017-12-30

Evaluation of skid resistance of exposed aggregate concrete pavement in the initial exploitation period

Marta Wasilewska , Władysław Gardziejczyk , Paweł Gierasimiuk


The paper presents the evaluation of skid resistance of pavements in their early life on the basis of macrotexture and microtexture changes determined with the Circular Texture Meter (CTM) and the Dynamic Friction Tester (DFT). Tests were performed on two test pavement sections made from exposed aggregate concrete on S8 expressway located in Poland. The relevant parameters, namely the Mean Profile Depth MPD and the friction coefficient DFT20 were measured after two and six weeks from pavement construction and then after three and sixteen months of traffic loads. No changes to the macrotexture were observed in these periods. However, significant changes were observed in the microtexture. The lowest values of DFT20 were determined two weeks from paving, indicating the effect of increased slipperiness just after placement. This lower initial friction coefficient DFT20 can be attributed to the presence of curing agent residue. Such residues are gradually removed from the pavement surface by weathering and trafficking and then the value of DFT20 stabilizes and stays constant at a certain level. The coefficient of friction decreased by ca. 20% in the period between the third and the sixteenth month of trafficking. Finally, the results of evaluation were compared with the classification system developed in the U.S., based on the International Friction Index IFI.


exposed aggregate concrete, friction coefficient, International Friction Index, macrotexture, microtexture, pave- ment, skid resistance.

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Wasilewska, M., Gardziejczyk, W., & Gierasimiuk, P. (2017). Evaluation of skid resistance of exposed aggregate concrete pavement in the initial exploitation period. Roads and Bridges - Drogi I Mosty, 16(4), 295–308.

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