Compressive stiffness of L-stubs in contact with rigid and flexible foundations

Elastic behavior of riveted double angle connections in tension

“…See [4] for the value of constants  1 ,  2 and  3 . The rotational stiffness at the transition point is thus:…”

“… denotes the distance between the rivet axis and the inner edge of the contact zone. An enhanced beam model in contact with elastic support [4] is adopted in the contact region while the refined beam theory of Baluch et al [5] is considered for the rest of the model. The rivet preloading, the rivet shear and bearing plate deformations are not considered in the present model.…”

“…C 3 and C 4 are constants of integration that can be determined from boundary conditions. a 0 and b 0 are constants and its value depend on the geometry of the joint (see [4]).…”

“…A refined theory of beam resting on flexible support developed by Sarou et al [4] is adopted in this area. The expression of bending moment is:…”

“…The rotation,  0 , at the transition point will be used to enforce the continuity with the uplift area. The expression of rotation proposed by Sarou et al [4] is used. This rotation depends on the bending moment as well as its derivatives.…”