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Seismic Strengthening of R/C Columns Using Steel Jackets

by R. S. Aboutaha, Univ of Texas at Austin, Austin, United States,
M. D. Engelhardt, Univ of Texas at Austin, Austin, United States,
J. O. Jirsa, Univ of Texas at Austin, Austin, United States,
M. E. Kreger, Univ of Texas at Austin, Austin, United States,



Document Type: Proceeding Paper

Part of: Structural Engineering in Natural Hazards Mitigation

Abstract:

This paper presents experimental results on the use of steel collars and steel jackets as a retrofitting system to improve the seismic performance of short rectangular reinforced concrete columns with inadequate transverse reinforcement. Three full-scale cantilever columns with light transverse reinforcement were tested under cyclic lateral force. The column retrofitted with a steel jacket showed excellent performance.

Subject Headings: Steel columns | Reinforced concrete | Steel structures | Seismic tests | Seismic effects | Steel frames | Rehabilitation

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