Behavior of Concrete Specimens Reinforced with Composite Materials: Laboratory Study

Kachlakev, Damian I.; Green, Bryan K.; Green, William A.; Oregon. Dept. of Transportation

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Behavior of Concrete Specimens Reinforced with Composite Materials: Laboratory Study

2000-02-01
By Kachlakev, Damian I. ; Green, Bryan K. ; Green, William A.

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English

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Creators:

Kachlakev, Damian I. ; Green, Bryan K. ; Green, William A.

Kachlakev, Damian I. ; Green, Bryan K. ; Green, William A. Less -
Corporate Creators:

Oregon. Dept. of Transportation
Corporate Contributors:

Oregon State University ; United States. Federal Highway Administration

Oregon State University ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Bridge Construction Bridge Engineering Bridge Maintenance Bridges Concrete Fiber Reinforced Materials Maintenance Materials
Publication/ Report Number:

FHWA-OR-RD-00-10
Resource Type:

Tech Report
Geographical Coverage:

United States ; Oregon

United States ; Oregon Less -
TRIS Online Accession Number:

00791466
OCLC Number:

43669361
Corporate Publisher:

Oregon. Dept. of Transportation
Abstract:

The main objective of this study was to investigate the interaction between FRP composite and concrete by addressing the most important variables in terms of FRP (fiber reinforced polymer) properties. Type of fibers, thickness of the laminates, fiber orientation and FRP strengthening configuration were studied while keeping the type of concrete, steel reinforcement and geometry of the samples constant. The intent of the data collection and analysis was to gather extensive information on the performance of FRP-reinforced concrete, rather than to investigate the structural behavior of FRP-reinforced members. Appearance of first crack on the concrete, ultimate loads and the corresponding strains and deflection, and the failure modes were of main interest. The FRP systems included in this study were most of those known to be currently available. In addition, two customized FRP systems were developed using only domestically available materials. All systems were tested under nearly identical conditions with respect to concrete strength, specimen dimensions, reinforcement, surface preparation, test methods, and analysis. The results showed that the increase of the load-carrying capacity and the performance of the FRP-reinforced beams were strongly dependent on the FRP configuration. The failure modes showed dependency on the stiffness and strength of the FRP reinforcement and scheme used to strengthen them. The study suggested that the effectiveness of the FRP composite decreases as the rigidity (elastic modulus x FRP thickness) of the laminates increases. 180 p.
Format:

PDF
Funding:

SPR 387
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:38cbb3288b4ad8c8d8d1372c855d9446a047c58955ceecd71f34eb4d24001eb7
Download URL:

https://rosap.ntl.bts.gov/view/dot/14410/dot_14410_DS1.pdf
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Behavior of Concrete Specimens Reinforced with Composite Materials: Laboratory Study

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