Correlating laboratory test methodologies to measure skid resistance of pavement surfaces
NATAADMADJA ; WILSON ; COSTELLO ; DO
Type de document
COMMUNICATION AVEC ACTES INTERNATIONAL (ACTI)
Langue
anglais
Auteur
NATAADMADJA ; WILSON ; COSTELLO ; DO
Résumé / Abstract
The skid resistance performance of surface aggregates can be assessed in the laboratory by using a polishing device that is designed to simulate traffic polishing actions coupled with a skid resistance measuring device. The standard laboratory test has historically been the Polished Stone Value (PSV) test as specified in BS EN 1097-8:2009. However, as the technology has advanced and traffic volume and composition on our roads have changed, other devices and methodologies have been developed in an
attempt to better assess the skid resistance performance of surface aggregates. This paper discusses the usage of two alternative laboratory tests, the Auckland Pavement Polishing Device (APPD) and the Wehner/Schulze (WS) devices, to assess the skid resistance performance of three different New Zealand Greywacke aggregates. The paper discusses the variations in APPD and its corresponding skid resistance measuring device, the Dynamic Friction Tester (DFT) and the effect of
macrotexture in the APPD-DFT test. The results show that there is a good relationship between the APPD-DFT and the PSV tests, while there is no relationship between the WS and the PSV tests. However, the APPD and the WS tests correlate very well. There are only three Greywacke aggregates used in this research, and hence, no conclusive results can be drawn on the relationship between these laboratory tests as yet.
