Timber filled CFRP jacketed circular steel tubes under axial compression

This paper discusses the structural behavior of an innovative composite column through an experimental study. The new composite comprised steel cylindrical hollow sections known as CHS, solid timber infill and CFRP confinements. The present stub columns were under pure axial compression. Plastic buckling, failure modes and deformational response of the mentioned elements were assessed. The ultimate capacity enhancement was evaluated for specimens with different conditions and comprehensive discussions were made in order to clarify the effect of each material on the structural behavior of different specimens.