Abstract
The influence of ASR damage on structural performance was investigated through reversed cyclic loading tests on five RC column specimens by situating under influence of ASR for 3.5 years. It was found that load carrying capacity and ductility of ASR damaged columns were almost the same as those of sound ones. However, there were some differences in the mechanical properties between damaged and sound RC columns, such as the process and state of failure, absorption capacity of seismic energy, etc. Moreover, the PC confinement method was confirmed to be effective to strengthen ASR damaged columns from the viewpoints of load carrying capacity and ductility.
