00769343

Component

https://doi.org/10.3141/1655-13

http://scholar.google.com...unoz&publication_year=1999

An analysis is described that was undertaken with the objective of developing realistic models for estimating Present Serviceability Index (PSI) as a function of International Roughness Index (IRI) for asphalt and concrete pavements. These models were developed by first analyzing the correlation between slope variance and PSI values obtained in the serviceability correlation analyses for the AASHO Road Test and then analyzing the correlation between slope variance and IRI for profiles representing a broad spectrum of road roughness levels. Equations are given for the recommended PSI-IRI models for asphalt pavements and concrete pavements, respectively. The AASHO Road Test data clearly demonstrate a difference between concrete pavement serviceability and asphalt serviceability for a given level of roughness as measured at the AASHO Road Test and quantified by the slope variance as defined at the AASHO Road Test. Whether this would be true for other roughness indices is impossible to conclude from the AASHO Road Test data. For the purpose of design and evaluation of pavements according to the American Association of State Highway and Transportation Officials (AASHTO) methodology, serviceability will be estimated erroneously as a function of IRI if this difference by pavement type is not taken into consideration.

This paper appears in Transportation Research Record No. 1655, Pavement Management Systems and Other Pavement Design Issues.

English

p. 93-99

1999

Transportation Research Record

0309070511

Figures (5) ; References (11)

Asphalt pavements; Concrete pavements; Correlation analysis; Equations; Mathematical models; Roughness; Serviceability

AASHO Road Test; American Association of State Highway and Transportation Officials; International Roughness Index

Present serviceability index; Slope variance

Data and Information Technology; Design; Highways; Pavements; I22: Design of Pavements, Railways and Guideways; I23: Properties of Road Surfaces

TRIS, TRB, ATRI

Aug 31 1999 12:00AM

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• ASSESSMENT OF RELATIVE CONTRIBUTION OF INPUT VARIABLES TO PAVEMENT PERFORMANCE PREDICTION BY ARTIFICIAL NEURAL NETWORKS
• AUTOMATED REAL-TIME PAVEMENT DISTRESS ANALYSIS
• AXLE SPACING AND LOAD EQUIVALENCY FACTORS
• CHARACTERIZATION OF TRANSVERSE PROFILE
• DETERIORATION MODEL FOR PAVEMENTS IN FROST CONDITIONS
• DETERIORATION MODELS FOR MANAGING FLEXIBLE PAVEMENTS
• DETERMINATION OF BEDROCK DEPTH FROM FALLING WEIGHT DEFLECTOMETER DATA
• DEVELOPMENT OF PAVEMENT PERFORMANCE MODELS FOR RIYADH STREET NETWORK
• DEVELOPMENT OF PROCEDURE FOR AUTOMATED SEGMENTATION OF PAVEMENT RUT DATA
• DIRECT ANALYSIS METHODS FOR FALLING WEIGHT DEFLECTOMETER DEFLECTION DATA
• EVALUATION OF IN SITU MOISTURE CONTENT AT LONG-TERM PAVEMENT PERFORMANCE SEASONAL MONITORING PROGRAM SITES
• INFLUENCE OF TIRE-PAVEMENT CONTACT STRESS DISTRIBUTION ON DEVELOPMENT OF DISTRESS MECHANISMS IN PAVEMENTS
• INTERNATIONAL ROUGHNESS INDEX OF ASPHALT CONCRETE OVERLAYS: ANALYSIS OF DATA FROM LONG-TERM PAVEMENT PERFORMANCE PROGRAM SPS-5 PROJECTS
• INVESTIGATION OF ASPHALT CONCRETE LAYER STRAINS FROM WIDE-BASE TIRES
• MEASUREMENT OF CONTACT STRESSES FOR DIFFERENT TRUCK TIRE TYPES TO EVALUATE THEIR INFLUENCE ON NEAR-SURFACE CRACKING AND RUTTING
• MEASUREMENT, ANALYSIS, EVALUATION, AND RESTORATION OF SKID RESISTANCE ON STREETS OF MUSCAT
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• OPTIMUM DECISION POLICY FOR MANAGEMENT OF PAVEMENT MAINTENANCE AND REHABILITATION
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• PERFORMANCE COMPARISON OF BASE MATERIALS UNDER ACCELERATED LOADING
• PERFORMANCE EVALUATION OF BACKCALCULATION ALGORITHMS THROUGH THREE-DIMENSIONAL FINITE-ELEMENT MODELING OF PAVEMENT STRUCTURES
• PRIORITIZATION METHODS FOR STRATEGIC PLANNING AND ROAD WORK PROGRAMMING IN A NEW HIGHWAY DEVELOPMENT AND MANAGEMENT TOOL
• PROFILING FLEXIBLE HIGHWAY PAVEMENT CONTINUOUSLY WITH ROLLING DYNAMIC DEFLECTOMETER AND AT DISCRETE POINTS WITH FALLING WEIGHT DEFLECTOMETER
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• USE OF FALLING WEIGHT DEFLECTOMETER AND DYNAMIC CONE PENETROMETER IN PAVEMENT EVALUATION
• USE OF RELATIONAL DATABASE MANAGEMENT SYSTEMS PRINCIPLES IN RELIABLE PREDICTION OF PAVEMENT SKID RESISTANCE