Preservation of Missouri Transportation Infrastructures: Non-destructive Testing of FRP Materials and Installation, Gold Bridge

Maerz, Norbert H.; Galecki, Greg; Missouri University of Science and Technology. Center for Infrastructure Engineering Studies

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Preservation of Missouri Transportation Infrastructures: Non-destructive Testing of FRP Materials and Installation, Gold Bridge

2008-07-01
By Maerz, Norbert H. ; Galecki, Greg

[PDF-2.79 MB]

English

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Details:

Creators:

Maerz, Norbert H. ; Galecki, Greg

Maerz, Norbert H. ; Galecki, Greg Less -
Corporate Creators:

Missouri University of Science and Technology. Center for Infrastructure Engineering Studies
Corporate Contributors:

United States. Department of Transportation. University Transportation Centers (UTC) Program ; Missouri. Department of Transportation

United States. Department of Transportation. University Transportation Centers (UTC) Program ; Missouri. Department of Transportation Less -
Subject/TRT Terms:

[+]

Bond Strength (Materials) Bridges Concrete Bridges Delamination Fiber Alignment Fiber Reinforced Plastics Imaging Systems Impact Echo Tests Infrastructure Laser Profilometer Nondestructive Tests Preservation Profilometers Pull Out Test Retrofitting Roughness Transportation Infrastructure
Publication/ Report Number:

UTC R96
Resource Type:

Research Paper
Geographical Coverage:

Missouri
Corporate Publisher:

Missouri University of Science and Technology. Center for Infrastructure Engineering Studies
Abstract:

The Fiber Reinforced Polymer (FRP) retrofit of a concrete bridge (Gold Bridge, Bridge P-0962 in Dallas County) in Missouri provided the opportunity to use new and existing technologies to test the FRP materials installations and performance. Four different parameters were investigated: concrete substrate surface roughness, FRP fiber alignment, FRP delamination, and FRP bond pull-off strength. Results of testing to date are presented, and long term monitoring plans are given. Surface substrate roughness measurements of sand blasted surfaces were made on selected locations of the bridge abutments and bents, as well as the bridge deck, using a newly developed laser profilometer. The roughness measurements are compared to the “idealized surface roughness” and compared against any potential future delamination from pull-off tests and natural delamination. FRP fiber alignment measurements were made using an imaging technique that measures the angle between control lines and special tracers embedded in the FRP materials. FRP delamination testing was done using a specially modified impact echo tester on production surfaces and on surfaces with artificially created delaminations. All test sites are referenced with respect to previously determined substrate roughness measurements. Tests were performed periodically for five years. FRP bond pull-off strength testing was done using a specially designed pull-off tester. Pull-off plugs were installed on selected locations on the bridge and referenced to roughness measurements; pull-off tests were performed periodically for five years.
Format:

PDF
Funding:

DTRS98-G-0021
Collection(s):

University Transportation Centers
Main Document Checksum:

[+]

urn:sha256:f2f5104d101805dfb18317df985b4dbe1809bcba55a07f0d1a749c431fd9bbbf
Download URL:

https://rosap.ntl.bts.gov/view/dot/62107/dot_62107_DS1.pdf
File Type:

R96_CR.pdf

pdf

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