Study on elastic-plastic behavior and stress transferring mechanisms of composite CES beam-column joints

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The objective of this study is to develop evaluation method of CES beam-column joint in composite Concrete Encased Steel structures composed of fiber reinforced concrete and steel. Static loading tests were conducted on the CES beam-column joints with different width of panel zone and width of steel flange, and the effects of experimental parameter on structural performance were examined together with evaluation method of shear strength of CES beam-column joint. As the results, it was found that the restoring characteristics was not so influenced by width of steel flange in panel zone. And it was shown that experimental shear strength of CES beam-column joint could be evaluated by using proposed evaluation method.