Development of methods and specifications for the use of inertial profilers and the international roughness index for newly constructed pavement.

Harris, Dwayne; Purdue University. Joint Transportation Research Program

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Development of methods and specifications for the use of inertial profilers and the international roughness index for newly constructed pavement.

2013-06-01
By Harris, Dwayne

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Details:

Creators:

Harris, Dwayne
Corporate Creators:

Purdue University. Joint Transportation Research Program
Corporate Contributors:

United States. Federal Highway Administration ; Indiana. Dept. of Transportation

United States. Federal Highway Administration ; Indiana. Dept. of Transportation Less -
Subject/TRT Terms:

[+]

Methodology Pavement Design Profilographs Roughness Smoothness Specifications Surface Course (Pavements)
Publication/ Report Number:

FHWA/IN/JTRP-2013/09
Resource Type:

Tech Report
Geographical Coverage:

Indiana
Corporate Publisher:

Purdue University. Joint Transportation Research Program
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance;NTL-HIGHWAY/ROAD TRANSPORTATION-Design;
Abstract:

The Indiana Department of Transportation (INDOT) is currently utilizing a profilograph and the profile index for measuring smoothness

assurance for newly constructed pavements. However, there are benefits to implementing a new IRI based smoothness specification

utilizing road profiles measured using inertial profilers. Technological advancements have improved the quality of road profiles

measured using inertial profilers; furthermore, utilizing inertial profilers allows smoothness data to be collected much more quickly and

efficiently than the methodology currently utilized by INDOT. Pavement smoothness quantified using International Roughness Index (IRI)

calculated using profiles provided by inertial profiles is better correlated to user response than what is currently being utilized by INDOT.

Furthermore, INDOT currently utilizes IRI to monitor the pavement smoothness throughout the remaining life of the pavement.

Consequently, Utilizing IRI for measuring the smoothness of newly constructed pavements allows seamless monitoring of pavement

smoothness from cradle to grave. This study presents an IRI based draft smoothness specification for newly constructed pavements

utilizing profiles provide by inertial profilers. The process developing a draft specification included developing pay factor tables,

developing the methodology for calculating the smoothness bonus, developing methodology for locating areas of localized roughness,

and developing inertial profiler certification procedures.
Format:

PDF
Funding:

SPR-3300
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:e8e8d48a99ec86535c675bc37cc9b9722e86171eb4a67bf8a73601f0e2eb50d8
Download URL:

https://rosap.ntl.bts.gov/view/dot/26519/dot_26519_DS1.pdf
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Development of methods and specifications for the use of inertial profilers and the international roughness index for newly constructed pavement.

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