Journal
JOURNAL OF BRIDGE ENGINEERING
Volume 20, Issue 12, Pages -Publisher
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)BE.1943-5592.0000760
Keywords
Columns; Buckled bars; Fiber-reinforced polymer composites; Fractured bars; Jacketing; Numerical analysis RC; Repair
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Funding
- University of Missouri Research Board
- National University Transportation Center at Missouri ST
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Repair has become a viable option for restoring the use of earthquake-damaged RC elements, even those that have been severely damaged. To select and design an appropriate repair system for damaged RC bridge columns, it is important that results from previous studies are known. This paper presents a comprehensive summary and review of techniques to repair earthquake-damaged RC bridge columns, as well as numerical methods for analyzing the response of repaired columns. Repair of columns with and without fractured longitudinal reinforcing bars is discussed. Studies are reviewed in terms of the apparent damage, repair technique, and performance of the repair. Advantages and disadvantages associated with each repair technique are discussed. (C) 2015 American Society of Civil Engineers.
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