Analysis and testing of a bridge deck reinforced with GFRP rebars : final report, April 3, 2007.

Gergely, Janos; Boyajian, David M.; Young, David T.; Frank, Christopher R.; Szabo, Iosif F.; University of North Carolina at Charlotte. Dept. of Civil Engineering

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Analysis and testing of a bridge deck reinforced with GFRP rebars : final report, April 3, 2007.

2007-04-03
By Gergely, Janos ; Boyajian, David M. ; Young, David T. ; ...

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English

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Alternative Title:

Analysis and testing of a bridge deck reinforced with glass fiber reinforced polymer rebars
Creators:

Gergely, Janos ; Boyajian, David M. ; Young, David T. ; Frank, Christopher R. ; Szabo, Iosif F.

Gergely, Janos ; Boyajian, David M. ; Young, David T. ; Frank, Christopher R. ; Szabo, Iosif F. Less -
Corporate Creators:

University of North Carolina at Charlotte. Dept. of Civil Engineering
Corporate Contributors:

North Carolina. Dept. of Transportation. Research and Analysis Group
Subject/TRT Terms:

[+]

Bridge Decks Bridges Bridges--North Carolina--Macon County--Floors--Testing Floors Glass-reinforced Plastics Glass Fiber Reinforced Plastics Reinforcing Bars Testing
Publication/ Report Number:

FHWA/NC/2006-35
Resource Type:

Research Paper
Geographical Coverage:

North Carolina
Edition:

Final report; July 2004-Dec. 2006.
Corporate Publisher:

North Carolina. Dept. of Transportation
Abstract:

The present project had two main objectives, to experimentally and analytically investigate a bridge deck reinforced with glass

fiber reinforced polymer rebars, and to perform durability tests on four rebar types.

An analytical investigation was performed using the finite element software ANSYS for both the actual bridge deck, and for the

reduced size laboratory experiment. In addition, laboratory experiments were also performed on an 11 ft long bridge deck model

built inside the structures lab. Except for the length of the girder-deck model, the true scale was used for every other dimension.

Three different tests were performed on the model, and the test data verified the analytical results. Once completed, this bridge

located in Macon County was instrumented and tested using two loaded tandem trucks.

For the durability testing, four different types of Glass Fiber Reinforced Polymer (GFRP) reinforcement provided by different

rebar vendors were evaluated under exposure to an alkaline environment at different temperatures. For the moisture tests, a total

of 96 specimens were monitored for changes in length, diameter, and weight. A total 128 unscathed samples and 64 “nicked”

samples – simulating defects to the rebars that might occur on the field site – were tested in tension to determine the rate of

degradation in tensile properties. Concrete cylinders were poured, and 168 pullout specimens were tested (84 at 5Øb and 84 at

8Øb).
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:28b2dc135c2687fd0ebd394f10f291c499be3878a4014d7686c3123090855338
Download URL:

https://rosap.ntl.bts.gov/view/dot/17183/dot_17183_DS1.pdf
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Analysis and testing of a bridge deck reinforced with GFRP rebars : final report, April 3, 2007.

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