This report documents the performance of the first Next Generation Concrete Surface (NGCS) built by the Washington State Department of Transportation (WSDOT). A 1,500 foot test section was installed on the eastbound lanes of I-82 near Sunnyside, WA in October of 2010. On-board sound intensity (OBSI) measurements increased from initial levels of 100.6 dBA to 104.4 dBA in 30 months. The increase in noise level was attributed to the loss of aggregate and general roughening of the concrete surface by studded tires.
It was concluded that the NGCS is not a viable option as a noise mitigation strategy for Washington State.
January 31, 2014
Keith W. Anderson, Jeff S. Uhlmeyer, Tim Sexton, Mark Russell, Jim Weston.
Washington (State). Dept. of Transportation. Materials Laboratory.
- # of Pages: 52 P., 1.04 mb (PDF)
- Subject: Pavement performance, Tire/pavement noise, Evaluation and assessment, Diamond grinding, Concrete pavements, Surface course (Pavements), Friction course, Sound intensity, Studded tires.
- Keywords: Next Generation Concrete Surface, NGCS, concrete pavement, conventional diamond grinding, quieter pavements, on board sound intensity measurements, OBSI, Washington state.
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This abstract was last modified January 31, 2014