RELATIONSHIP BETWEEN FAILURE STATE OF REINFORCED CONCRETE COLUMNS AND INPUT ENERGY IN LARGE SCALE SHAKING TABLE TEST

Abstract eng:
It is widely recognized that the energy values of a seismic wave, such as total input energy and momentary input energy, are general destructive-power indexes of the earthquake, which is independent of structure types. However, adaptability of these indexes to the structures at non-linear state, where the strength of the structure decreases and residual deformation occurs, have not been fully examined. One of the reasons is that time history analysis methods of structures at a strength degradation state is still under development. In this study, large scale shaking table tests of reinforced concrete columns were performed, and the relationship between the failure state of the columns and the input energy was examined. From these test results, the adaptability of the energy input value as a destructive-power index at a strength degradation state was confirmed.

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