Evaluation of NCHRP 747 Pavement Forensic Guide for GDOT’s Adoption

Kim, S. Sonny; Geum Chorzepa, Mi; Durham, Stephan A.; Yang, Jidong; Johnson, Catherine; Georgia. Department of Transportation. Office of Performance-Based Management & Research; University of Georgia; Kennesaw State University. Georgia Pavement and Traffic Research Center

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Evaluation of NCHRP 747 Pavement Forensic Guide for GDOT’s Adoption

2018-04-01
By Kim, S. Sonny ; Geum Chorzepa, Mi ; Durham, Stephan A. ; ...

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English

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Details:

Creators:

Kim, S. Sonny ; Geum Chorzepa, Mi ; Durham, Stephan A. ; Yang, Jidong ; Johnson, Catherine

Kim, S. Sonny ; Geum Chorzepa, Mi ; Durham, Stephan A. ; Yang, Jidong ; Johnson, Catherine Less -
Corporate Creators:

Georgia. Department of Transportation. Office of Performance-Based Management & Research ; University of Georgia ; Kennesaw State University. Georgia Pavement and Traffic Research Center

Georgia. Department of Transportation. Office of Performance-Based Management & Research ; University of Georgia ; Kennesaw State University. Georgia Pavement and Traffic Research Center Less -
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Concrete Pavements Continuously Reinforced Concrete Continuously Reinforced Concrete Pavements Falling Weight Deflectometer Forensic Investigation Ground Penetrating Radar Ground Penetration Radar Investigation Of Structure Jointed Plain Concrete Pavement Soil Penetration Test Superpave.
Publication/ Report Number:

FHWA-GA-16-14-13
Resource Type:

Tech Report
Geographical Coverage:

Georgia
Corporate Publisher:

Georgia. Department of Transportation. Office of Performance-Based Management & Research
NTL Classification:

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

This report presents the recommendation for whether the Georgia Department of Transportation (GDOT) should adopt the National Cooperative Highway Research Program (NCHRP) Report 747 (Guide for Conducting Forensic Investigations of Highway Pavements) as a guide to conduct forensic investigations in Georgia. This report documents the evaluation of three pavement types using the NCHRP 747 guide: Jointed Plain Concrete (JPC), Continuously Reinforced Concrete (CRC), and Hot Mix Asphalt (HMA). Each pavement type consisted of an evaluation of two sites, one in “good/fair” condition and the other in “poor” condition. Non-destructive testing was performed using Ground Penetration Radar (GPR) and Falling Weight Deflectometer (FWD). Destructive testing (coring) and on-site field testing was performed consistent with the recommendations of the forensic guide. Laboratory tests were conducted to determine material properties of the existing pavement. These results were combined with traffic data and weather information to form conclusions about the cause(s) of pavement distress in sections of “poor” condition. Based on the successful investigations, it is recommended to adopt the NCHRP Report 747 for use in Georgia.
Format:

PDF
Funding:

RP 14-13
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:97b279dfd942af162b2a0a6ee80bdb4c9f53b65786a2bb0ac5aa7529ea4bdea8
Download URL:

/view/dot/35574/dot_35574_DS1.pdf
File Type:

[PDF-9.60 MB]