Tangent stiffness method for biaxial bending

Inelastic tangential stiffness for 2-D frames

Frame collapse using tangent stiffness

Tangent stiffness in space frames

Tangent stiffness in plane frames

Buckling behaviour above the tangent modulus load

Tangent stiffness matrices for finite elements

Strength evaluation of end-plate connections using stiffness reduction factor

Joint stiffness and the elastic critical load factor

Experimental behaviour of bolted connections with stiffeners