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More About This Title Timber Construction Manual, 6th edition
English
THE DEFINITIVE DESIGN AND CONSTRUCTION INDUSTRY SOURCE FOR BUILDING WITH WOOD— NOW IN A THOROUGHLY UPDATED SIXTH EDITION
Since its first publication in 1966, Timber Construction Manual has become the essential design and construction industry resource for building with structural glued laminated timber. Timber Construction Manual, Sixth Edition provides architects, engineers, contractors, educators, and related professionals with up-to-date information on engineered timber construction, including the latest codes, construction methods, and authoritative design recommendations. Content has been reorganized to flow easily from information on wood properties and applications to specific design considerations.
Based on the most reliable technical data available, this edition has been thoroughly revised to encompass:
- A thorough update of all recommended design criteria for timber structural members, systems, and connections
- An expanded collection of real-world design examples supported with detailed schematic drawings
- New material on the role of glulam in sustainable building practices
- The latest design and construction codes, including the 2012 National Design Specification for Wood Construction, AITC 117-2010, and examples featuring ASCE 7-10 and IBC 2009
- More cross-referencing to other available AITC standards on the AITC website
Since 1952, the AMERICAN INSTITUTE OF TIMBER CONSTRUCTION has been the national technical trade association of the structural glued laminated timber industry. AITC-recommended building and design codes for wood-based structures are considered authoritative in the United States building industry.
English
Since 1952, the AMERICAN INSTITUTE OF TIMBER CONSTRUCTION has been the national technical trade association of the structural glued laminated timber industry. AITC-recommended building and design codes for wood-based structures are considered authoritative in the United States building industry.
English
PREFACE xi
1 TIMBER CONSTRUCTION 1
1.1 Introduction / 1
1.2 Materials / 1
1.3 Structural Systems / 13
1.4 Economy / 27
1.5 Permanence / 32
1.6 Seasoning / 37
1.7 Handling, Storage, and Erection / 38
1.8 Conclusion / 40
2 WOOD PROPERTIES 42
2.1 Introduction / 42
2.2 Specific Gravity and Specific Weight of Commercial Lumber Species / 46
2.3 Dimensional Changes Due to Moisture and Temperature / 50
2.4 Thermal Insulating Properties / 53
2.5 Wood in Chemical Environments / 54
2.6 Acoustical Properties / 55
2.7 Electrical Properties / 55
2.8 Coefficient of Friction / 56
2.9 Conclusion / 56
3 TIMBER DESIGN 57
3.1 Introduction / 57
3.2 Loads / 58
3.3 Design Values / 73
3.4 Adjustment Factors / 74
3.5 Deflection / 92
3.6 Camber / 95
3.7 Ponding / 98
3.8 Conclusion / 100
4 TIMBER BEAMS 102
4.1 Introduction / 102
4.2 Structural Evaluation of Beams / 102
4.3 Simple Beams / 105
4.4 Continuous Members / 117
4.5 Biaxial Bending (Bending about Both Axes) / 122
4.6 Torsion / 130
4.7 Conclusion / 133
5 TIMBER COLUMNS AND TENSION MEMBERS 134
5.1 Introduction / 134
5.2 Column Design Criteria / 134
5.3 Rectangular Columns / 135
5.4 Round Columns / 140
5.5 Tapered Columns / 140
5.6 Spaced Columns / 141
5.7 Built-Up Columns / 144
5.8 Columns with Flanges / 146
5.9 Tension Members / 147
5.10 Conclusion / 148
6 TIMBER BEAM-COLUMNS AND TENSION BEAMS 149
6.1 Introduction / 149
6.2 General Equation for Beam-Columns / 150
6.3 Centric Axial Compression and Side Load Bending about Both Axes / 156
6.4 Centric Axial Compression and Side Load Bending about Strong Axis Only / 161
6.5 Eccentric Axial Compression Only / 165
6.6 Axial Compression Eccentricity in Strong Direction Only / 165
6.7 Columns with Side Brackets / 169
6.8 Combined Axial Tension and Bending / 170
6.9 Conclusion / 173
7 TAPERED BEAMS 174
7.1 Introduction / 174
7.2 Tapered Beam Design / 176
7.3 Beams with Tapered End Cuts / 183
7.4 Conclusion / 188
8 CURVED GLULAM BEAMS 189
8.1 Introduction / 189
8.2 Curved Beams with Constant Depth / 195
8.3 Pitched and Tapered Curved Beams / 200
8.4 Pitched and Tapered Curved Beams with Mechanically Attached Haunch / 223
8.5 Conclusion / 232
9 GLULAM ARCHES 233
9.1 Introduction / 233
9.2 Preliminary Design Procedure / 233
9.3 Conclusion / 249
10 HEAVY TIMBER DECKING 251
10.1 Introduction / 251
10.2 Installation Requirements / 251
10.3 Design Formulas / 255
10.4 Section Properties / 256
10.5 Decking Design Values / 257
10.6 Conclusion / 259
11 CONNECTIONS IN TIMBER STRUCTURES 260
11.1 Introduction / 260
11.2 Connection Detailing Principles / 260
11.3 Types of Fasteners / 264
11.4 Reference Design Values for Fasteners / 272
11.5 Adjustment Factors / 274
11.6 Conclusion / 283
12 MEMBER CAPACITY AT CONNECTIONS 284
12.1 Introduction / 284
12.2 Member Capacity at Connections Loaded Perpendicular-to-Grain / 284
12.3 Member Capacity at Connections Loaded Parallel-to-Grain / 291
12.4 Member Capacity at Connections Loaded at an Angle to Grain / 307
12.5 Conclusion / 308
13 DOWEL-TYPE FASTENERS 309
13.1 Introduction / 309
13.2 Dowel-Type Fasteners Loaded Laterally / 309
13.3 Dowel-Type Fasteners Loaded in Withdrawal / 328
13.4 Dowel-Type Fasteners Loaded Laterally and in Withdrawal / 330
13.5 Conclusion / 334
14 SHEAR PLATES AND SPLIT RINGS 335
14.1 Introduction / 335
14.2 Connectors in Side Grain / 336
14.3 Timber Connectors in End Grain / 347
14.4 Conclusion / 352
15 MOMENT SPLICES 353
15.1 Introduction / 353
15.2 Shear Transfer / 355
15.3 Moment Transfer / 355
15.4 Conclusion / 370
16 LOAD AND RESISTANCE FACTOR DESIGN 371
16.1 Introduction / 371
16.2 Design Values and Adjustment Factors / 372
16.3 Design Checks / 374
16.4 Conclusion / 381
17 TIMBER BRIDGES 382
17.1 Introduction / 382
17.2 Types of Timber Bridges / 383
17.3 Advantages of Glued Laminated Timber / 389
17.4 Preservative Treatments / 390
17.5 Wearing Surfaces / 391
17.6 Guardrails / 392
17.7 Design Methods / 393
17.8 Conclusion / 395
18 LRFD BRIDGE DESIGN 396
18.1 Introduction / 396
18.2 Longitudinal Stringers / 399
18.3 Transverse Glulam Deck Panels / 418
18.4 Longitudinal Deck (with Stiffeners) / 425
18.5 Conclusion / 432
19 ASD BRIDGE DESIGN 433
19.1 Introduction / 433
19.2 Longitudinal Stringers (Girders) / 436
19.3 Interconnected Transverse Deck Panels / 447
19.4 Non-Interconnected Transverse Deck Panels / 447
19.5 Longitudinal Deck (with Stiffeners) / 457
19.6 Static Design of Guardrail System / 463
19.7 Conclusion / 474
20 FIRE SAFETY 475
20.1 Introduction / 475
20.2 Types of Construction / 476
20.3 Lessons from Actual Fires / 476
20.4 Performance of Wood in Fire / 478
20.5 Wood versus Steel / 479
20.6 Heavy Timber Construction / 482
20.7 Fire-Resistance-Rated Construction / 483
20.8 Use of Stock Glulam Beams in Fire Rated Construction / 494
20.9 Fire Retardant Treatment / 495
20.10 Conclusion / 495
APPENDIX A DESIGN EXAMPLES 497
Introduction / 498
APPENDIX B REFERENCE INFORMATION 594
B.1 Beam Diagrams and Formulas / 595
B.2 Typical Fastener Dimensions and Yield Strengths / 617
B.3 Structural Glued Laminated Timber Reference Design Values / 623
REFERENCES 630
INDEX 641
