STRUCTURAL PERFORMANCE OF EXTERIOR BEAM-COLUMN JOINTS FOR COMPOSITE CES STRUCTURAL SYSTEMS

Abstract

Two exterior CES beam-column joints with different failure mode, the beam yielding type and the joint shear failure type, were tested under lateral load reversals and variable axial load to investigate the structural performance. The test results indicated that the CES beam-column joins had the stable hysteresis behavior until large story drift angle of 1/20 radian. In addition, the use of the FRC facilitates to control the crack width of the joints. The development of stresses in the joint panel was clarified by the rosette analysis and non-linear FEM analysis. It is shown that the joint shear strength of exterior CES beam-column joints cloud be evaluated by the method based on AIJ design standard for SRC structures.