Forewords xiii Preface xv Acknowledgements xxi About the Companion Website xxiii Part 1: The Evolution of Mass Timber 1 Chapter 1: From Cedar Longhouses to Mass Timber High Rises 3 1.1 Indigenous Builders 5 1.2 Greek and Roman Builders 6 1.3 Medieval Builders 9 1.4 Industrial Revolution Builders 13 1.5 New Wood Materials 16 1.6 A (Mass-)Timber Renaissance: 20th and 21st Centuries 17 1.7 Key Buildings and Wood Structures 21 1.
8 The Future of Mass Timber 24 Review Questions 28 Exercises 29 Key Terms and Concepts 29 Web Links 30 Selected References 30 Chapter 2: Forests, Mass Timber, and Climate Change 33 2.1 The Global Carbon Cycle 35 2.2 State of the World''s Forests 40 2.3 Sustainable Forest Management 43 2.4 Life Cycle Assessment 47 2.5 Circular Construction 53 Review Questions 53 Exercises 54 Key Terms and Concepts 56 Web Links 56 Selected References 57 Part 2: Mass Timber Materials, Products, and Properties 59 Chapter 3: Wood as a Building Material 61 3.1 Tree Structure 62 3.2 Wood Grain and Cell Structure 69 3.
3 Mechanical Properties 72 3.4 Wood and Water 77 3.5 Durability and Protection of Wood 81 Review Questions 93 Exercises 93 Key Terms and Concepts 94 Web Links 95 Selected References 95 Chapter 4: From Log to Graded Lumber 97 4.1 Solid Sawn Wood 98 4.2 Dimension Lumber 102 4.3 Lumber Grading 103 Review Questions 113 Exercises 114 Key Terms and Concepts 115 Web Links 116 Selected References 116 Chapter 5: From Lumber to Laminate - Mass Timber Products 117 5.1 Mass Timber Components: Laminations and Adhesives 118 5.2 Glued Laminated Timber (Glulam) 125 5.
3 Cross- Laminated Timber (CLT) 135 5.4 Nail- Laminated Timber (NLT) and Dowel- Laminated Timber (DLT) 142 5.5 Wood- Concrete Composites 147 5.6 Structural Composite Lumber 149 Review Questions 152 Exercises 153 Key Terms and Concepts 154 Web Links 155 Selected References 155 Chapter 6: Mass Timber Fasteners 157 6.1 Screws 158 6.2 Nails 163 6.3 Drift Pins (Dowels) and Bolts 165 6.4 Pre- Engineered Parts and Connections 166 6.
5 Custom Parts and Connections 168 6.6 Wood- Concrete Shear Connectors 172 6.7 Glued Connections 175 6.8 Corrosion Protection for Fasteners 176 Review Questions 178 Exercises 178 Key Terms and Concepts 179 Web Links 179 Selected References 180 Part 3: Mass Timber Building Conceptualization 181 Chapter 7: Mass Timber in the Building Codes 183 7.1 International Building Code and State Codes 185 7.2 Detailing Mass Timber Construction 192 7.3 Design Specifications and Product Standards 195 Review Questions 196 Exercises 196 Key Terms and Concepts 197 Web Links 197 Selected References 198 Chapter 8: Mass Timber Building Systems and Their Layout 199 8.1 Wood- Specific Layout Concepts (Mass Timber Typologies) 200 8.
2 Building- Level Layout Concepts 205 8.3 Lateral Load- Resisting Concepts 217 8.4 Detail- Level Concepts 220 8.5 HVAC and MEP Integration Concepts 231 8.6 Exterior Wall and Façade Concepts 233 8.7 Protection Strategies 235 Review Questions 242 Exercises 242 Key Terms and Concepts 243 Web Links 244 Selected References 244 Part 4: Mass Timber Building Structural Design 245 Chapter 9: Structural Design Methodology for Mass Timber 247 9.1 The National Design Specification for Wood Construction 248 9.2 Design Methods (ASD and LRFD) 251 9.
3 Where Reference Design Values Come From 258 9.4 Adjustment Factors for Mass Timber 258 9.5 Example Calculation of Adjusted Design Values 274 Review Questions 276 Exercises 277 Key Terms and Concepts 279 Web Links 279 Selected References 279 Chapter 10: Design of Mass Timber Beams and Panels for Gravity Loads 281 10.1 Beam Behavior 283 10.2 Design Procedure 298 10.3 Design Examples (ASD) 309 10.4 Preliminary Design Aids 325 Review Questions 329 Exercises 329 Key Terms and Concepts 331 Web Links 331 Selected References 332 Chapter 11: Design of Mass Timber Columns and Walls for Gravity Loads 335 11.1 Axial Compression Members 336 11.
2 Combined Axial Compression and Bending Members 353 Review Questions 360 Exercises 361 Key Terms and Concepts 361 Web Links 362 Selected References 362 Chapter 12: Mass Timber Systems for Lateral Loads 363 12.1 Lateral Loads 364 12.2 Lateral Force- Resisting Systems (LFRS) 368 12.3 Lateral Load Transfer 369 12.4 Diaphragms 374 12.5 Shear Walls 380 12.6 Braced Frames 385 12.7 Moment Frames 389 Review Questions 391 Exercises 392 Key Terms and Concepts 394 Web Links 395 Selected References 395 Chapter 13: Design of Mass Timber Connections 397 13.
1 Connection Detailing 398 13.2 Bearing Connections 403 13.3 Lateral Shear Connections 410 13.4 Withdrawal and Axial Connections 432 Review Questions 438 Exercises 439 Key Terms and Concepts 441 Web Links 441 Selected References 441 Part 5: Mass Timber Construction Process 443 Chapter 14: Prior to Construction - Design, Planning, and Procurement 445 14.1 Digital Design and Bim Tools 446 14.2 Contract Considerations for Mass Timber Projects 453 14.3 Estimating and Cost Control 458 14.4 Suppliers and Material Sourcing 461 Review Questions 463 Exercises 463 Key Terms and Concepts 464 Web Links 464 Selected References 465 Chapter 15: During Construction - Fabrication and On- Site Processes 467 15.
1 Off- Site Manufacturing 468 15.2 Shipping Mass Timber Elements 471 15.3 On- Site Storage 474 15.4 Rigging and Erecting Mass Timber Elements 475 15.5 Fastening Mass Timber 480 15.6 Protection of Installed Wood 482 Review Questions 487 Exercises 487 Key Terms and Concepts 488 Web Links 488 Selected References 488 Part 6: Mass Timber Built Examples 489 Case Study 1: John W. Olver Design Building in Amherst, MA 491 Case Study 2: Brock Commons Tallwood House in Vancouver, BC 505 Case Study 3: Origine in Québec City, QC 517 Solutions to Chapter Questions 529 Additional Figure Sources 533 Index 535.