TPI-85: Design Specification for Metal Plate Connected Wood TrussesForewardContentsPart I: General1.1 Introduction1.2 Engineering Data for Wood Truss Design1.3 Handling1.4 Abbreviations1.5 Notation and Symbols

Part II: Materials2.1 Lumber2.2 Steel and Plates

Part III: Member Design Procedures3.1 Design Model3.2 Moment and Buckling Analysis3.3 Empirical Analysis3.4 Member Design

Part IV: Joint DesignPart V: CantileversPart VI: Miscellaneous6.1 Wind Loading6.2 Roof Truss Deflection6.3 Camber6.4 Anchorage6.5 Load Test of Full Size Trusses6.6 Plate Evaluation

AppendicesAppendix A: Recommended Minimum Design LoadsAppendix B: Commentary on BracingAppendix C: Connector Plate Test Method and Evaluation ProcedureAppendix D: Load Test of Full Size TrussesAppendix E: Standard Method of Test for Tensile Strength Properties of Steel Truss PlatesAppendix F: Effective Shear Resistance for Truss PlatesAppendix G: ReferencesAppendix H: Standard Lumber and Timber Sizes and Properties of SectionsAppendix I: Design Value Adjustment for Duration of LoadAppendix J: Weights of Construction MaterialsAppendix K: Connector Plate Evaluation Summary SheetAppendix L: Connector Plate Evaluation Data Record FormAppendix M: Additional Publications Available from TPI

TablesTable 3.1 Top Chord Factors for Triangular and Scissor TrussesTable 3.2 Top Chord Factors for Monopitch and Monoscissor TrussesTable 3.3 Top Chord Factors for Chord Segments without Heel Joints, for Top Chords with slopes of less than 1.5/12Table 3.4 Bottom Chord FactorsTable 3.5 Formulas for determining F'c and KTable 3.6 Formulas for determining F'bTable 5.1 Maximum reinforcing member cantilever