DEVELOPMENT OF DESIGN RULES FOR VIERENDEEL CONNECTIONS.

The results of a series of unequal width Vierendeel joint tests using square hollow structural sections is presented. A total of 29 specimens, comprised of five distinct connection types described as unreinforced, haunch, chord flange stiffener, truncated pyramid and branch flange stiffener, were tested to evaluate their strength and stiffness characteristics. As most of the joints exhibited semi-rigid properties, a stiffness matrix method for …