Experiments on seismic performance of RC frames with hinging columns

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Abstract

The seismic behavior of reinforced concrete (RC) frames with hinging columns also known as strong-beam—weak-column (SBWC) frames is studied from earthquake-simulation test results of two small-scale models The models were subjected to scaled earthquake motions of various intensities on a unidirectional shake table The paper describes some of the dynamic response measurements and their implication for SBWC-frame performance The response of the model structures to the "design" motion is found to be acceptable when large discontinuities in the vertical distribution of lateral strength are avoided Maximum inelastic drifts of the structures were controlled through appropriate member proportioning and stories comprising hinging columns exhibited adequate force-deformation behavior and developed moderate displacement ductility factors.

Original languageEnglish (US)
Pages (from-to)125-145
Number of pages21
JournalJournal of Structural Engineering (United States)
Volume116
Issue number1
DOIs
StatePublished - Jan 1990

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