The effects of temperature on fiber composite bridge decks.

Nagabhushanam, Mahesh Gajula; Ramirez, Guillermo; University of Texas at Arlington. Department of Civil and Environmental Engineering

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The effects of temperature on fiber composite bridge decks.

2009-01-01
By Nagabhushanam, Mahesh Gajula ; Ramirez, Guillermo

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Creators:

Nagabhushanam, Mahesh Gajula ; Ramirez, Guillermo

Nagabhushanam, Mahesh Gajula ; Ramirez, Guillermo Less -
Corporate Creators:

University of Texas at Arlington. Department of Civil and Environmental Engineering
Corporate Contributors:

Kansas. Dept. of Transportation ; United States. Federal Highway Administration

Kansas. Dept. of Transportation ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Bridge Decks Bridges Fiber-reinforced Concrete Fiber Composites Fibrous Composites Laboratory Tests Temperature Gradients Thermal Properties
Publication/ Report Number:

FHWA-KS-08-9
Resource Type:

Tech Report
Geographical Coverage:

Kansas
Edition:

Final report
Corporate Publisher:

Kansas. Dept. of Transportation
Abstract:

In this study the fiber composite bridge decks were subjected to thermal gradients to obtain the temperature difference between the top and bottom surface of the decks and to determine the thermal properties of the deck. The fiber composite bridge decks were fabricated in sizes of 2 ft wide x 8 ft long x .5 ft deep and 4 ft wide x 8 ft long x .5 ft deep specimens by Kansas Structural Composites Inc. The project consisted of 3 specimens of size 2 ft wide x 8 ft long x .5 ft deep with the ribs oriented along the longitudinal direction, 3 specimens of size 2 ft wide x 8 ft long x .5 ft deep with ribs oriented along the transverse direction, and a specimen of size 4 ft wide x 8 ft long x .5 ft deep with ribs oriented along the transverse direction. Two specimens with the ribs oriented along the lognitudinal direction and two specimens with ribs oriented along the transverse direction of size 2 ft wide x 8 ft long x .5 ft deep were subjected to a temperature greater than 120 deg F with unrestrained ends. Four tests were carried out on two specimens having ribs oriented along the longitudinal direction and two specimens having ribs oriented along the transverse direction with the shorter ends restrained. The top surface was exposed to constant temperature until the temperature and the strain linearized at the bottom surface of the fiber composite deck to obtain the difference in temperature between the top and bottom surface of the deck. The decks were restrained using a mechanical setup made up of fiber composite sections. A single specimen of size 4 ft wide x 8 ft long x .5 ft deep was tested for thermal loads greater than 120 deg F with unrestrained ends. The strain readings were recorded using strain gage technology from Vishay Micro Measurements and the displacement was measured for specimens with restrained ends using cable extension displacement sensor at half span. A prototype fiber composite deck was modeled using PRO-E and analyzed using ANSYS FEM software.
Format:

PDF
Funding:

C1607, IBRC 2002
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:c0c72714878726f755f76ea0d62a72ae20908e96c6a2e4da4b557ea3b6c5b1db
Download URL:

https://rosap.ntl.bts.gov/view/dot/16646/dot_16646_DS1.pdf
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The effects of temperature on fiber composite bridge decks.

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