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ASTM International - ASTM E1926-98

Standard Practice for Computing International Roughness Index of Roads from Longitudinal Profile Measurements

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Organization: ASTM International
Publication Date: 10 January 1998
Status: inactive
Page Count: 18
ICS Code (Other standards related to road engineering): 93.080.99
scope:

1.1 This practice covers the mathematical processing of longitudinal profile measurements to produce a road roughness statistic called the International Roughness Index (IRI).

1.2 The intent is to provide a standard practice for computing and reporting an estimate of road roughness for highway pavements.

1.3 This practice is based on an algorithm developed in The International Road Roughness Experiment sponsored by a number of institutions including the World Bank and reported in two World Bank Technical Papers (1) (2). Additional technical information is provided in two TRB papers (3) (4).

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Document History

February 1, 2021
Standard Practice for Computing International Roughness Index of Roads from Longitudinal Profile Measurements
5.1 This practice provides a means for obtaining a quantitative estimate of a pavement property defined as roughness using longitudinal profile measuring equipment. 5.1.1 The IRI is portable in that...
May 1, 2015
Standard Practice for Computing International Roughness Index of Roads from Longitudinal Profile Measurements
5.1 This practice provides a means for obtaining a quantitative estimate of a pavement property defined as roughness using longitudinal profile measuring equipment. 5.1.1 The IRI is portable in that...
June 1, 2008
Standard Practice for Computing International Roughness Index of Roads from Longitudinal Profile Measurements
This practice provides a means for obtaining a quantitative estimate of a pavement property defined as roughness using longitudinal profile measuring equipment. The IRI is portable in that it can be...
December 1, 2003
Standard Practice for Computing International Roughness Index of Roads from Longitudinal Profile Measurements
This practice provides a means for obtaining a quantitative estimate of a pavement property defined as roughness using longitudinal profile measuring equipment. 5.1.1 The IRI is portable in that it...
ASTM E1926-98
January 10, 1998
Standard Practice for Computing International Roughness Index of Roads from Longitudinal Profile Measurements
1.1 This practice covers the mathematical processing of longitudinal profile measurements to produce a road roughness statistic called the International Roughness Index (IRI). 1.2 The intent is to...
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