Research notes : durability of composite repairs on bridges.

Oregon. Dept. of Transportation. Research Section

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Research notes : durability of composite repairs on bridges.

2009-08-01
By Oregon. Dept. of Transportation. Research Section

[PDF-59.65 KB]

English

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Alternative Title:

Durability of composite repairs on bridges.
Corporate Creators:

Oregon. Dept. of Transportation. Research Section
Subject/TRT Terms:

[+]

Beams Carbon Fiber Reinforced Polymer Carbon Fibers Durability Fiber Reinforced Polymers Maintainability Moisture Content Performance Measurement Reinforced Concrete Bridges
Publication/ Report Number:

RSN 10-01
Resource Type:

Tech Report
Geographical Coverage:

Oregon
Corporate Publisher:

Oregon. Dept. of Transportation. Research Section
Abstract:

The research showed that conditions that allow moisture to get under the carbon fiber reinforced polymer composites (CFRP) combined with freeze-thaw were detrimental to durability. In addition, the results showed that the American Concrete Institute (ACI) design code for CFRP did not provide a consistent level of safety for environmental exposure conditions. Consequently, the research provided design calculations to account for possible degradation over time and still assure uniform safe performance. A recommendation was made for a more thorough check on the required CFRP bond strength beyond what is called for in the ACI code. Further recommendations were made on installation techniques to minimize moisture infiltration and on inspection approaches to focus on the most susceptible locations.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:4f6acf2a24f5f2e8167633a8a0e13f709fef92995d582066b26b9d92f891cb73
Download URL:

https://rosap.ntl.bts.gov/view/dot/22747/dot_22747_DS1.pdf
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Research notes : durability of composite repairs on bridges.

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