Demonstration of Wind Load Design for Timber Frame Structures Using Diaphragm Action

Current design procedures for timber frame structures that are enclosed by structural-insulated panels (SIPs)do not typically accommodate the contribution made by the SIPs in resisting lateral loads. However, post-frame buildingdesign procedures do include the diaphragm action of the metal cladding that encloses them, leading to more efficientstructures. This investigation draws parallels between timber frame and post-frame structural systems and elucidates theappropriateness of the post-frame diaphragm design methods for contemporary timber frame buildings. A sample timberframe diaphragm design is performed and the parameters needed to effectively complete the design are identified.