The main function of a SPSW system is to resist shear forces and overturning moments due to lateral loads. The system consists of steel plate panels connected at all four sides by a steel frame consisting of
beams and columns. The steel plate is connected to the steel frame by closely spaced bolts or continuous welding.
The main lateral load-resisting element in a SPSW system is the infill plates. The steel plates are expected to buckle along compressive diagonals under relatively small shear forces. After buckling, the story shear forces are resisted by the plates through formation of a tension field. This behavior is captured in the analysis by modeling the infill plates as shell elements that include both geometric and material
nonlinearities.
The formation of tension field action within the infill plates is the primary mechanism to resist story shear forces. This behavior should be considered in the analysis by modeling shear plates using shell elements
that can buckle.
different methodology: Strip Model Methodology , Orthotropic Modelling Methodology, Finite Element Modelling Methodology
topic-
non-linear behaviour of perforated metal shear panels
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