Abstract
A series of dynamic loading tests with use of large-scale reinforced concrete bridge piers was conducted to investigate an effect of number of load reversals with the same displacement amplitude. The specimens were subjected to a series of step-wise increasing symmetric displacement with n cycles, in which number of cycles n was varied from 3 to 10 as a parameter to be investigated.It was understood from the study that although deterioration of the specimen progresses, as a general trend, in accordance with increase of the number of inelastic loading cycles, for specimens which failed in flexure, effect of the number of loading cycles between 3 and 10 is less significant at the loading displacement smaller than or equal to the displacement at which the maximum load was developed.
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