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  • AASHTO PP 37-04

AASHTO PP 37-04

Standard Practice for Determination of International Roughness Index (IRI) to Quantify Roughness of Pavements

American Association of State and Highway Transportation Officials,

Publisher: AASHTO

File Format: PDF

$60.00$120.00


Pages:5

File Size:1 file , 710 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

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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