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Article

Evaluation of Various Surface Cleaning Techniques Inside Tunnels on Pavement Skid Resistance

1
Departamento de Ingeniería del Transporte, Territorio y Urbanismo, Technical University of Madrid, 28040 Madrid, Spain
2
Department of Civil and Environmental Engineering, Virginia Tech Transportation Institute, 3500 Transportation Research Plaza, Blacksburg, VA 24061, USA
3
Center for Sustainable Transportation Infrastructure, Virginia Tech Transportation Institute, 3500 Transportation Research Plaza, Blacksburg, VA 24061, USA
*
Author to whom correspondence should be addressed.
Academic Editors: Juan Gallego Medina and Miguel A. Franesqui
Materials 2021, 14(19), 5660; https://doi.org/10.3390/ma14195660
Received: 10 August 2021 / Revised: 18 September 2021 / Accepted: 23 September 2021 / Published: 28 September 2021
(This article belongs to the Special Issue New Materials and Technologies for Road Pavement Maintenance)
A request started a comprehensive investigation on the Skid Resistance (SR) inside a highway tunnel in Madrid, Spain, to determine methods that will improve or maintain the SR above the minimum required level (60), after the application of Hydroblasting, without the need of pavement surface rehabilitation. The right lane located on eight sections inside tunnel XC was used as a test section, in which three went thru the application of water pressure applied weekly, biweekly, and monthly. Three other sections for surface sweeping at the same frequencies and two untreated sections as control. Using the Microgriptester, weekly SR measurements taken before and after tracked the pavement response. Results showed that SR decreased weekly depending on the frequency of the treatment applied and for higher frequencies, SR was almost at the same level. Water pressure and sweeping applied weekly, biweekly, and monthly, during the two months testing period, maintained the SR level above the required value of 60 and the untreated sections showed that pavement surface must be treated to maintain the SR above 60. View Full-Text
Keywords: Skid Resistance; hydroblasting; microgriptester; SCRIM; sweeping; water pressure Skid Resistance; hydroblasting; microgriptester; SCRIM; sweeping; water pressure
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MDPI and ACS Style

Marcobal, J.R.; Salado, F.; Flintsch, G. Evaluation of Various Surface Cleaning Techniques Inside Tunnels on Pavement Skid Resistance. Materials 2021, 14, 5660. https://doi.org/10.3390/ma14195660

AMA Style

Marcobal JR, Salado F, Flintsch G. Evaluation of Various Surface Cleaning Techniques Inside Tunnels on Pavement Skid Resistance. Materials. 2021; 14(19):5660. https://doi.org/10.3390/ma14195660

Chicago/Turabian Style

Marcobal, José Ramon, Freddie Salado, and Gerardo Flintsch. 2021. "Evaluation of Various Surface Cleaning Techniques Inside Tunnels on Pavement Skid Resistance" Materials 14, no. 19: 5660. https://doi.org/10.3390/ma14195660

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