Searched for: subject%3A%22Close%255C%2Bproximity%255C%2Bmethod%22
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document
Derksen, G.B. (author), de Roo, F. (author)
The Dutch practice of assessment of the noise reducing properties of pavements according to the CPX (Close Proximity) Method has revealed that relatively large differences may occur between test results produced by different CPX operators. Due to these differences road authorities are facing questions and uncertainties about the acoustical...
report 2012
document
Derksen, G.B. (author), de Roo, F. (author)
One of the methods to determine the influence of the road surfaces characteristics on the emission of noise by road traffic is the so-called Close Proximity (CPX) method, which measures the noise emission of the tyre-road contact in the near field of a sound radiating tyre. These measurements are executed with CPX measurement trailers....
report 2012
document
Derksen, G.B. (author), de Roo, F. (author)
In de Nederlandse praktijk van het meten van de geluidsreductie van wegdekken met behulp van de CPX-methode [1] is gebleken dat er tussen de resultaten van verschillende uitvoerders van deze methode relatief grote verschillen bestaan die voor opdrachtgevers leiden tot vragen en onduidelijkheden over de akoestische kwaliteit van de gemeten...
report 2012