Abstract
The suitability of jacketing of nonductile frame elements as a rehabilitation technique was assessed experimentally. The research was aimed at studying the shear strength performance of jacketed joints. Four large scale beam-column connections were rehabilitated and tested under bidirectional cyclic loading. The variables included jacketing of columns only or both columns and beams, damage or no damage prior to jacketing, and the layout of the jacketed column longitudinal reinforcment. Test results indicated that the shear strength of jacketed joints can be estimated using current recommendations for design of beam-column joints in new construction. Results also showed that the criterion on bar development of current recommendations should be fulfilled by longitudinal reinforcement in the jackets.
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