7.1.Overall Structural Behavior of VS Many structural solutions are combined with four basic types: (1) Shear wall subsystem (2) Vertical shaft(tube) (3) Rigid beam-column frame (4) Pin-connected slender columns7.1. Overall Structural Behavior of VS Many structural solutions are combined with four basic types: (1) Shear wall subsystem (2) Vertical shaft(tube) (3) Rigid beam-column frame (4) Pin-connected slender columns