Abstract
SUMMARYMany tests and numerical research for RCS frame consisted of reinforced concrete (RC) column and steel (S) beam have been conducted in the USA and Japan over the past decades; they showed that the performance of the RCS system is superior to traditional concrete frame and steel frame. Up to the present, no research reports on composite CCSHRCS frame structure consisted of high‐strength concrete columns confined with continuous compound spiral stirrups (CCSHRC) and steel (S) beam. Herein, an accurate finite element model of composite CCSHRCS frame is developed; the finite element model is investigated in order to fully include important factors such as local buckling of steel beam and nonlinear behavior of confined concrete; the validity of the proposed models is examined by comparing with the results of cyclic loading experiments on the RCS frame in reference. With the proposed model, the effect of composite CCSHRCS frame is discussed in detail. Copyright © 2012 John Wiley & Sons, Ltd.
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