AASHTO PP 37M-99 (2005)

Standard Practice for Quantifying Roughness of Pavements

American Association of State Highway and Transportation Officials , 1999

Publisher: AASHTO

File Format: PDF

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Description

Standard By:American Association of State Highway and Transportation Officials , 1999

Published:1999

Pages:5

File Size:1 file , 710 KB

Language:English

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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.