0 q/qu.max 19x100mm 1.0 0.8 0.6 19x75mm 0.4 0.2 0.5 1.0 1.5 2.0 2.5 s [mm] a) b) Test on shear connectors. (a)Push-out specimen.(b)Non dimensional load-slip relationship Test on shear connectors. (a) Push-out specimen. (b) Non dimensional load-slip relationship