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Evolution of road-surface skid-resistance and texture due to polishing
Authors:M-T Do  Z Tang  M Kane  F de Larrard
Affiliation:1. Institute of Road and Traffic Engineering, RWTH Aachen University, D52074 Aachen, Germany;2. School of Transportation, Southeast University, Nanjing 210096, China;3. Institute of Clay and Interface Mineralogy, RWTH Aachen University, D52072 Aachen, Germany;1. IFSTTAR, Infrastructure and Mobility, Route de Bouaye, Bouguenais 443040, France;2. Aggregate Industries UK Ltd., Bradstone International, Hulland Ward, Ashbourne, Derbyshire, DE6 3ET, United Kingdom;3. Tu Delft, Delft University of Technology, Julianalaan 134, 2628 BL Delft, Netherland;1. Universidade Federal do Ceará (UFC), Laboratório de Mecânica dos Pavimentos (LMP), Campus do Pici S/N, Building 703, 60440-554 Fortaleza, CE, Brazil;2. Universidade de São Paulo (USP), Laboratório de Tecnologia de Pavimentação (LTP), Av. Almeida Prado, Travessa 2, No. 83, 05508-070, Cidade Universitária, São Paulo, SP, Brazil;1. Mechanical Engineering Program, Texas A&M University at Qatar, P.O. Box 23874, Education City, Doha, Qatar;2. Zachry Department of Civil Engineering, Texas A&M University, College Station, TX 77843, USA;3. Department of Civil Engineering, University of Idaho, Moscow, ID 83844, USA;4. Section of Pavement Engineering, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Stevinweg 1, Delft, The Netherlands;1. The University of Auckland, 20 Symonds St, Auckland, New Zealand;2. IFSTTAR, Route de Bouaye, CS4, 44344 Bouguenais Cedex, France;1. Department of Civil, Architectural and Environmental Engineering, University of Texas at Austin, United States;2. Center for Transportation Research, University of Texas at Austin, Austin, TX, United States;3. International Center for Partnered Pavement Preservation, The University of Texas at Austin, Austin, TX, United States
Abstract:In this paper, works are conducted to have a better understanding of the evolution of the road-surface texture due to traffic polishing. Examples are shown for two aggregates having respectively low and high - polishing-resistances. Surface profiles measured at different polishing stages are analyzed. Roughness parameters characterizing asperity height and sharpness are calculated and their evolution is compared with the friction evolution.
Keywords:
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