Forensic Study of Early Failures with Unbonded Concrete Overlays

Sargand, Shad M.; Green, Roger; Zhu, Junqing; Khoury, Issam S.; Ohio Research Institute for Transportation and the Environment

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Forensic Study of Early Failures with Unbonded Concrete Overlays

2017-11-01
By Sargand, Shad M. ; Green, Roger ; Zhu, Junqing ; ...

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Creators:

Sargand, Shad M. ; Green, Roger ; Zhu, Junqing ; Khoury, Issam S.

Sargand, Shad M. ; Green, Roger ; Zhu, Junqing ; Khoury, Issam S. Less -
Corporate Creators:

Ohio Research Institute for Transportation and the Environment
Corporate Contributors:

Ohio. Dept. of Transportation. Office of Statewide Planning and Research ; United States. Federal Highway Administration

Ohio. Dept. of Transportation. Office of Statewide Planning and Research ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Concrete Overlays Costs Falling Weight Deflectometer Finite Element Method Forensic Investigation HIPERPAV MITScan Pavement Design Pavement Distress Pavement Maintenance Paving Rigid Pavement Unbonded Concrete Overlays
Publication/ Report Number:

FHWA/OH-2017-38
Resource Type:

Tech Report
Geographical Coverage:

United States ; Ohio

United States ; Ohio Less -
Edition:

Final Report, August 2014 - September 2017
Corporate Publisher:

Ohio Research Institute for Transportation and the Environment
Abstract:

A forensic investigation was conducted to identify failure mechanisms responsible for early failures of unbonded concrete overlays on selected projects in Ohio, including I-70 in Madison County, I-77 in Washington and Noble Counties, and I-90 in Lake County, plus a project in US Route 30 in Ashland County that was one of the better performing jointed plain concrete (JPC) overlays in Ohio. Standard NCHRP procedures (Report 747) were generally followed. Field inspections included visual assessment; distress survey; falling weight deflectometer; MITScan; and collection of core specimens. Laboratory testing included core dimensions, material mechanical properties, and petrographic analysis. HIPERPAV analysis was conducted to evaluate the concrete strength development in early stage. A finite element analysis was conducted to evaluate structural failure mechanisms. Recommendations were made for ODOT to improve performance and prevent similar failures in the future.
Format:

PDF
Funding:

SJN 134996
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:94e24db7d164a4ece0a03f2e94c79ca0d00c79737d1711bca89c231164374d6b
Download URL:

https://rosap.ntl.bts.gov/view/dot/34886/dot_34886_DS1.pdf
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Forensic Study of Early Failures with Unbonded Concrete Overlays

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