Fig. 1From: Shear Resistant Mechanism into Base Components: Beam Action and Arch Action in Shear-Critical RC MembersRefined truss idealization with inclined compression chord. a Standard truss model. b Fan truss model (Marti 1985). c Truss model combined with Strut-Tie (Walraven and Niwa). d Refined truss model (Leonhardt 1965)Back to article page