A STUDY ON THE ELASTO-PLASTIC ANALYSIS OF COMPOSITE BEAMS CONSISTING OF TIMBER AND STEEL MEMBERS

Abstract

This paper deals with the analysis of the elasto-plastic behavior of composite beams consisting of timber and steel members. According to the experimental results, the elasto-plastic behavior of those beams are almost the same as those predicted by the analytical method presented herein. When the H-shaped steel is placed on the compression side, the stiffness of the composite beam is almost the same as that of the opposite section, but the load carrying capacity of the beam is small because of the fracture of the timber. The ultimate strength of the beams are smaller than the predicted one because of the compressive strength inclined to the grain of the timber.