Abstract
It has been recognized that the behaviors of R/C members under dynamic loading are different from those under static loading due to strain rate effects of materials. This paper describes the effects of strain rate of reinforcing bars on the dynamic response of R/C structures subjected to earthquakes. In order to obtain accurately the dynamic response of R/C members subjected to earthquake motions, the new force-displacement model was proposed based on the effects of strain rate of reinforcing bars. The dynamic responses, especially accelerations, calculated using the proposed force-displacement model resulted in satisfactory agreement with the measured responses. Furthermore, the influences of strain rate on R/C structures subjected to actual earthquakes were clarified using the proposed force-displacement model.
