Tire/pavement and environmental traffic noise research study : interim report – 2009 testing.
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2011-01-01
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Edition:Interim; 2009.
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Abstract:This research study is being conducted in response to CDOT’s interest in traffic noise in general, and the tire/pavement ; interaction in particular. Following a rigid set of testing protocols, data is being collected on highway traffic noise ; characteristics along with safety and durability aspects of the associated pavements. The overall goal of this research project ; is to develop and execute a comprehensive, long-term study to determine if a particular pavement surface type and/or ; texture can be successfully used in Colorado to help satisfy FHWA noise mitigation requirements. The study is needed to ; accomplish the following: ; ♦ Determine the noise generation/reduction characteristics of pavements as functions of pavement type, pavement ; texture, age, time, traffic loading, and distance away from the pavement; ; ♦ Determine a correlation between source measurements using on-board sound intensity (OBSI), and statistical passby ; (SPB) and time-averaged wayside measurements; and ; ♦ Accumulate information that can be used for validation and verification of the accuracy of the FHWA Traffic ; Noise Model (TNM) to use on future Colorado highway projects. ; Implementation: ; The information included in this report highlights the third in a series of four measurements to be collected over a five-year ; period. While some of this information can be used immediately for decisions related to pavement design and specification, ; it is recommended that caution be exercised as the results from future testing will help further define the long-term ; acoustical durability of these pavement surfaces.
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Main Document Checksum:urn:sha256:bc06939beb88c059950d2657ef266accabb3458056a293e9e7ea3caa969983a8