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Title:Longevity of Highway Pavement in Illinois---2000 Update
Author(s):Gharaibeh, Nasir Ghaleb; Darter, Michael I.
Subject(s):Highway pavement, performance, pavement longevity, flexible pavement, rigid pavement, overlays, rehabilitation, survival analysis, pavement management
Abstract:Results of the latest round of pavement longevity studies in Illinois provide updated performance data through 2000 for HMAC, JRCP, and CRCP new construction as well as AC overlays (first, second, and third overlays) of these original pavements. The Illinois Department of Transportation (IDOT) has periodically conducted pavement longevity studies to assess the longevity and load carrying capacity of these new and rehabilitated pavement so that any needed improvements to design, construction, or rehabilitation could be identified and implemented in a timely manner. These studies were conducted on over 2000 centerline miles of Interstate and other freeways that were constructed beginning in the 1950's in Illinois. Significant findings were obtained on the performance of the original pavements and overlays that will be of value to designers and administrators to improve pavement cost-effectiveness and life. Key findings show the impact on longevity and load carrying capacity of pavement type (HMCA, JRCP, CRCP), slab thickness, geographic location (north or south), D-cracking, and AC overlay thickness (coupled with pre-overlay condition). The study also provides models for predicting the probability of survival for various designs of original pavements and AC overlays in Illinois for use in pavement management.
Issue Date:2002-12
Series/Report:FHWA-IL-UI-283
Genre:Technical Report
Type:Text
Language:English
URI:http://hdl.handle.net/2142/46282
ISSN:0197-9191
Publication Status:published or submitted for publication
Peer Reviewed:not peer reviewed
Sponsor:Illinois Department of Transportation, IHR-R24
Rights Information:No restrictions. This document is available to the public through the National Technical Information Service, Springfield, Virginia 22161
Date Available in IDEALS:2013-11-21


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