Value Engineering and Cost Effectiveness of Various Fiber Reinforced Polymer (FRP) Repair Systems [2005]

Rizkalla, Sami; Rosenboom, Owen; Miller, Anthony; North Carolina State University. Department of Civil Engineering

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Value Engineering and Cost Effectiveness of Various Fiber Reinforced Polymer (FRP) Repair Systems [2005]

2005-06-01
By Rizkalla, Sami ; Rosenboom, Owen ; Miller, Anthony

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Creators:

Rizkalla, Sami ; Rosenboom, Owen ; Miller, Anthony

Rizkalla, Sami ; Rosenboom, Owen ; Miller, Anthony Less -
Corporate Creators:

North Carolina State University. Department of Civil Engineering
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Cost Effectiveness Fiber-reinforced Plastics Fiber Reinforced Materials Girders Prestressed Concrete Prestressed Concrete Bridges Prestressed Concrete Bridges--Maintenance And Repair Repairing Strengthening (Maintenance) Value Engineering
Publication/ Report Number:

FHWA/NC/2006-27
Resource Type:

Tech Report
Geographical Coverage:

North Carolina
Edition:

Final report; 7/1/2003-6/30/2005.
Corporate Publisher:

North Carolina. Dept. of Transportation. Research and Analysis Group
Abstract:

Seventeen 40 year old C-Channel type prestressed concrete bridge girders and one impact damaged AASHTO Type II prestressed concrete girder were tested under static and fatigue loading to determine the cost-effectiveness and value engineering aspects of various Fiber Reinforced Polymer (FRP) repair and strengthening systems. Of the C-Channel girders, which were taken from two different 40 year old bridges in Eastern North Carolina, three were tested as control girders (one statically loaded to failure, and two tested under fatigue loading) and fourteen tested with various Carbon FRP strengthening systems (eight statically loaded to failure and six tested under fatigue loading). The fatigue loading applied to the strengthened C-Channel girders was chosen to simulate a specified increase in live load value in comparison to the control girders.

An AASHTO Type II prestressed concrete bridge girder was taken from a bridge near Fayetteville, NC which was struck by an overheight vehicle. The girder had significant damage to the concrete and one ruptured prestressing strand near midspan. The concrete section was restored and the girder was repaired with Carbon FRP. The repaired AASHTO girder survived 2 million cycles of loading designed to simulate the original service load of the girder with little degradation. The ultimate load observed during a test to failure was 13.3 percent higher than the predicted value of the original girder.

The experimental program and analysis of the test results demonstrate that FRP systems can effectively strengthen deficient prestressed concrete members and/or repair damaged prestressed girders.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

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urn:sha256:3c17bba662ebaeaf526b0be453c83a7b43b72d9113058ffed33f1836bc047f7d
Download URL:

https://rosap.ntl.bts.gov/view/dot/17177/dot_17177_DS1.pdf
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Value Engineering and Cost Effectiveness of Various Fiber Reinforced Polymer (FRP) Repair Systems [2005]

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