Effects of Early Traffic Loading on a Bonded Concrete Overlay

Huddleston, Jeffrey Lance; Fowler, David W.; McCullough, B. Frank; University of Texas at Austin. Center for Transportation Research

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i

Effects of Early Traffic Loading on a Bonded Concrete Overlay

1995-09-01
By Huddleston, Jeffrey Lance ; Fowler, David W. ; McCullough, B. Frank

English

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Details:

Creators:

Huddleston, Jeffrey Lance ; Fowler, David W. ; McCullough, B. Frank

Huddleston, Jeffrey Lance ; Fowler, David W. ; McCullough, B. Frank Less -
Corporate Creators:

University of Texas at Austin. Center for Transportation Research
Corporate Contributors:

Texas. Dept. of Transportation. Research and Technology Transfer Office
Subject/TRT Terms:

[+]

Beams Concrete Concrete Overlays Concrete Tests Deflection Driver Rehabilitation Fatigue (Mechanics) Flexural Strength Fracture Mechanics Laboratory Studies Setting (Concrete) Stiffness Strength Of Materials Structural Tests Traffic Loads
Publication/ Report Number:

TX-96/2911-3
Resource Type:

Tech Report
Geographical Coverage:

Texas ; United States

Texas ; United States Less -
Edition:

Interim
Corporate Publisher:

University of Texas at Austin. Center for Transportation Research
Abstract:

The bonded concrete overlay (BCO) is emerging as a method of pavement repair which minimizes costs and traffic disruption. When existing methods of expedited paving are combined with rapid strength gain concrete, the potential exists to return traffic on to a pavement within twenty-four hours of closure. In order to determine the long-term effects of early traffic loading on the IH-10 BCO in El Paso, Texas, a fatigue study of BCO beams was conducted. Seven beam specimens/ with overlays ranging from twelve hours to seven days of age1 were tested. The progression of beam deflections and cracking were monitored throughout each test to determine trends in fatigue damage with progressively younger overlays. Results indicate that rapid strength and stiffness gain in the overlay concrete minimize fatigue damage in young BCOs. Final deflections and cracking for beams loaded at twelve hours compared favorably with fully cured beams, indicating that traffic application at early ages is not detrimental to long-term pavement behavior.
Format:

PDF
Funding:

7-2911
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha-512:eeccffca1ace218d1994abe7309737154cdc6bc67fda366cb4057c30d710b37fa23d3bdebcd71bdc0f3ed0350e8ef0f21e9328fc5e850b05fdb97d206080e3e1
Download URL:

https://rosap.ntl.bts.gov/view/dot/83432/dot_83432_DS1.pdf
File Type:

[PDF-1.87 MB]