Technical Committee on Engineering Design in Wood
Subcommittee on General Design
Subcommittee on Sawn Lumber
Subcommittee on Glued-Laminated Timber
Subcommittee on Panel Products
Subcommittee on Fastenings
Subcommittee on Proprietary Structural Wood Products
Task Force on Seismic Design in Wood
Preface
1 Scope
2 Definitions, Symbols, Spacing Dimensions, and Reference
   Publications
   2.1 Definitions
   2.2 Symbols
   2.3 Spacing Dimensions
   2.4 Reference Publications
3 Objectives and Design Requirements
   3.1 Objective
   3.2 Limit States
   3.3 Design Requirements
         3.3.1 Structural Adequacy
         3.3.2 New or Special Systems of Design and
                 Construction
         3.3.3 Structural Integrity
         3.3.4 Basis of Design
         3.3.5 Quality of Work
         3.3.6 Design Drawings
4 General Design
   4.1 Ultimate and Serviceability Limit States
         4.1.1 Method of Analysis
         4.1.2 Ultimate Limit States
         4.1.3 Serviceability Limit States
         4.1.4 Resistance Factors
   4.2 Specified Loads, Load Effects, and Load Combinations
         4.2.1 Buildings
         4.2.2 Other Structures
         4.2.3 Specified Loads
         4.2.4 Load Combinations
   4.3 Conditions and Factors Affecting Resistance
         4.3.1 General
         4.3.2 Load Duration Factor, K[D]
         4.3.3 Service Condition Factor, K[S]
         4.3.4 Preservative and Fire-Retardant Treatment
                 Factor, K[T]
         4.3.5 System Factor, K[H]
         4.3.6 Size Factor, K[Z]
         4.3.7 Lateral Stability Factor, K[L]
         4.3.8 Reduction in Cross-Section
   4.4 Resistance to Seismic Loads
   4.5 Serviceability Requirements
         4.5.1 Modulus of Elasticity
         4.5.2 Elastic Deflection
         4.5.3 Permanent Deformation
         4.5.4 Ponding
         4.5.5 Vibration
5 Sawn Lumber
   5.1 Scope
   5.2 Materials
         5.2.1 Identification of Lumber
         5.2.2 Lumber Grades and Categories
         5.2.3 Finger-Joined Lumber
         5.2.4 Remanufactured Lumber
         5.2.5 Mixed Grades
   5.3 Specified Strengths
         5.3.1 Visually Stress-Graded Lumber
         5.3.2 Machine Stress-Rated and Machine Evaluated
                 Lumber
   5.4 Modification Factors
         5.4.1 Load Duration Factor, K[D]
         5.4.2 Service Condition Factor, K[S]
         5.4.3 Treatment Factor, K[T]
         5.4.4 System Factor, K[H]
         5.4.5 Size Factor, K[Z]
   5.5 Strength and Resistance
         5.5.1 General
         5.5.2 Sizes
         5.5.3 Continuity
         5.5.4 Bending Moment Resistance
         5.5.5 Shear Resistance
         5.5.6 Compressive Resistance Parallel to Grain
         5.5.7 Compressive Resistance Perpendicular to Grain
         5.5.8 Compressive Resistance at an Angle to Grain
         5.5.9 Tensile Resistance Parallel to Grain
         5.5.10 Resistance to Combined Bending and Axial Load
         5.5.11 Decking
         5.5.12 Preserved Wood Foundations
         5.5.13 Sawn Lumber Design for Specific Truss
                 Applications
6 Glued-Laminated Timber (Glulam)
   6.1 Scope
   6.2 Materials
         6.2.1 Stress Grades
         6.2.2 Appearance Grades
   6.3 Specified Strengths
         10.2.2 Bolts, Lag Screws, Split Rings, and Shear
                 Plate Connectors (General Requirements)
   10.3 Split Ring and Shear Plate Connectors
         10.3.1 General
         10.3.2 Service Condition Factor
         10.3.3 Distance Factors
         10.3.4 Lumber Thickness
         10.3.5 Lag Screw Connector Joints
         10.3.6 Lateral Resistance
   10.4 Bolts
         10.4.1 General
         10.4.2 Member Thickness
         10.4.3 Placement of Bolts in Joints
         10.4.4 Lateral Resistance
         10.4.5 Combined Lateral and Axial Resistance
   10.5 Drift Pins
         10.5.1 General
         10.5.2 Prebored Holes
         10.5.3 Drift Pin Points
         10.5.4 Drift Pin Length
         10.5.5 Size and Placement of Drift Pins in Joints
         10.5.6 Lateral Resistance
   10.6 Lag Screws
         10.6.1 General
         10.6.2 Placement of Lag Screws in Joints
         10.6.3 Penetration of Lag Screws
         10.6.4 Side Members
         10.6.5 Withdrawal Resistance
         10.6.6 Lateral Resistance
   10.7 Timber Rivets (also known as Glulam Rivets)
         10.7.1 General
         10.7.2 Lateral Resistance
         10.7.3 Withdrawal Resistance
   10.8 Truss Plates
         10.8.1 General
         10.8.2 Design
         10.8.3 Factored Resistance of Truss Plates
         10.8.4 Lateral Slip Resistance
   10.9 Nails and Spikes
         10.9.1 General
         10.9.2 Joint Configuration
         10.9.3 Joint Design
         10.9.4 Lateral Resistance
         10.9.5 Withdrawal Resistance
   10.10 Joist Hangers
         10.10.1 General
         10.10.2 Design
         10.10.3 Factored Resistance of Joist Hangers
11 Timber Piling
   11.1 Scope
   11.2 Materials
         11.2.1 Preservative Treatment
         11.2.2 Untreated Piling
   11.3 Specified Strengths
   11.4 Modification Factors
   11.5 Strength and Resistance
         11.5.1 General
         11.5.2 Piles as Compression Members
         11.5.3 Effective Length
         11.5.4 Embedded Portion
         11.5.5 Unembedded Portion
12 Pole-Type Construction
   12.1 Scope
         12.1.1 Round Poles
         12.1.2 Sawn Timbers
   12.2 Materials
         12.2.1 Preservative Treatment
         12.2.2 Short Poles
   12.3 Specified Strengths
   12.4 Modification Factors
   12.5 Strength and Resistance
         12.5.1 General
         12.5.2 Poles as Compression Members
         12.5.3 Poles as Bending Members
13 Proprietary Structural Wood Products
   13.1 Scope
   13.2 Prefabricated Wood I-Joists
         13.2.1 General
         13.2.2 Materials
         13.2.3 Specified Strengths and Moduli of Elasticity
         13.2.4 Modification Factors
         13.2.5 Strength and Resistance
         13.2.6 Fastenings
   13.3 Type 3 (Proprietary) Design-Rated OSB Panels
         13.3.1 Manufacture
         13.3.2 Panel Identification and Certificates of
                 Conformance
         13.3.3 Basic Structural Capacities
         13.3.4 Specified Capacities
         13.3.5 Design Methods
   13.4 Structural Composite Lumber Products
         13.4.1 General
         13.4.2 Adhesives and Binder Systems
         13.4.3 Specified Strengths and Moduli of Elasticity
         13.4.4 Modification Factors
         13.4.5 Strength and Resistance
         13.4.6 Fastenings
Appendix A - Additional Information and Alternative Procedures