AASHTO PP 37M-99 (2005)
Original price was: $120.00.$60.00Current price is: $60.00.
Standard Practice for Quantifying Roughness of Pavements
American Association of State Highway and Transportation Officials , 1999
Pages: 5
This practice describes a method for estimating roughness for a pavement section. An international roughness index (IRI) statistic is calculated from a single longitudinal profile measured with a road profiler in both the inside and outside wheelpaths of the pavement. The average of these two IRI statistics is reported as the roughness of the pavement section.
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