Comparative study of behavior of reinforced concrete beams strengthened and repaired-strengthened by using V connecting bars and U connecting stirrups

摘要

The purpose of this study is to investigate the repairing and strengthening techniques for reinforced concrete beams and to compare the behaviors of beams strengthened and repaired-strengthened by two different techniques with each other and with the behaviors of monolithic beams. These comparisons are made separately for the load carrying, displacement, ductility, rigidity change, and energy dissipation. The results show that the repairing and strengthening techniques used in this study can be effectively used in the practice.