Experimental Study on Performance of Steel and Composite Plate Combined Column

Four I-section specimens have been produced, and epoxy resin structural adhesive and bolts have been used to combine the cold-formed thin-walled C steel with bamboo-wood composite plate, through which the cooperative work performance of the combined column was detected, and the failure mode and mechanism were explored. The feature of load vs. deflection and load vs. strain was also analyzed. Then stiffness and calculation formula of bearing capacity were proposed. The results show that the unitary mechanical behavior and plastic properties are very good, and the combined column is divided into three stages from loading to failure, including adhesive cracking, local area degumming and failure. And the stiffness accords with double slash model in serviceability