ABSTRACT
Different abbreviations were used in the literature to describe various types of metal profile with a hollow tubular cross-section, such as SHS for Square Hollow Section, RHS for Rectangular Hollow Section, CHS forCircularHollowSection,EHS forEllipticalHollow Section, OHS for Oval Hollow Section and HSS for Hollow Structural Section. The abbreviation “HSS” is adopted in this paper to represent the general term Hollow Structural Section.
