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Open Access Publications from the University of California

Continued Noise and Smoothness Monitoring on Concrete Pilot Projects of Grind and Groove and Continuously Reinforced Concrete Pavements

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The goal of this project, titled “Quieter Pavement Monitoring,” is to continue measuring noise and smoothness on previous concretepavement surfacing techniques and the new grind and groove (GnG) surface, and on continuously reinforced concrete pavement (CRCP).Previous studies have initiated the investigation into both the noise properties of GnG and CRCP. This project gathered data in 2016 andearly 2017 on the performance of these concrete pavements in terms of noise and smoothness. These data will be added to the noisedatabase to further the development of specifications, guidelines, and standardized field test methods toward quieter pavements. TheGnG technology on test sections in Caltrans pilot projects was evaluated in terms of measured tire/pavement noise, smoothness, friction,and surface drainability. The results of this study are to be used to further incorporate quieter pavement research into standard Caltranspractice and may serve as a basis for changes in quieter pavement policy and specifications. This report presents the results of testingcompleted in 2016 and 2017 on sections first tested in 2012 and 2013. Recommendations include continued monitoring of GnG,considering use on CRCP, and continued use of diamond grinding. Additional testing will be performed between 2017 and 2020.

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