Details

<p>PREFACE xi</p> <p><b>1 TIMBER CONSTRUCTION 1</b></p> <p>1.1 Introduction / 1</p> <p>1.2 Materials / 1</p> <p>1.3 Structural Systems / 13</p> <p>1.4 Economy / 27</p> <p>1.5 Permanence / 32</p> <p>1.6 Seasoning / 37</p> <p>1.7 Handling, Storage, and Erection / 38</p> <p>1.8 Conclusion / 40</p> <p><b>2 WOOD PROPERTIES 42</b></p> <p>2.1 Introduction / 42</p> <p>2.2 Specific Gravity and Specific Weight of Commercial Lumber Species / 46</p> <p>2.3 Dimensional Changes Due to Moisture and Temperature / 50</p> <p>2.4 Thermal Insulating Properties / 53</p> <p>2.5 Wood in Chemical Environments / 54</p> <p>2.6 Acoustical Properties / 55</p> <p>2.7 Electrical Properties / 55</p> <p>2.8 Coefficient of Friction / 56</p> <p>2.9 Conclusion / 56</p> <p><b>3 TIMBER DESIGN 57</b></p> <p>3.1 Introduction / 57</p> <p>3.2 Loads / 58</p> <p>3.3 Design Values / 73</p> <p>3.4 Adjustment Factors / 74</p> <p>3.5 Deflection / 92</p> <p>3.6 Camber / 95</p> <p>3.7 Ponding / 98</p> <p>3.8 Conclusion / 100</p> <p><b>4 TIMBER BEAMS 102</b></p> <p>4.1 Introduction / 102</p> <p>4.2 Structural Evaluation of Beams / 102</p> <p>4.3 Simple Beams / 105</p> <p>4.4 Continuous Members / 117</p> <p>4.5 Biaxial Bending (Bending about Both Axes) / 122</p> <p>4.6 Torsion / 130</p> <p>4.7 Conclusion / 133</p> <p><b>5 TIMBER COLUMNS AND TENSION MEMBERS 134</b></p> <p>5.1 Introduction / 134</p> <p>5.2 Column Design Criteria / 134</p> <p>5.3 Rectangular Columns / 135</p> <p>5.4 Round Columns / 140</p> <p>5.5 Tapered Columns / 140</p> <p>5.6 Spaced Columns / 141</p> <p>5.7 Built-Up Columns / 144</p> <p>5.8 Columns with Flanges / 146</p> <p>5.9 Tension Members / 147</p> <p>5.10 Conclusion / 148</p> <p><b>6 TIMBER BEAM-COLUMNS AND TENSION BEAMS 149</b></p> <p>6.1 Introduction / 149</p> <p>6.2 General Equation for Beam-Columns / 150</p> <p>6.3 Centric Axial Compression and Side Load Bending about Both Axes / 156</p> <p>6.4 Centric Axial Compression and Side Load Bending about Strong Axis Only / 161</p> <p>6.5 Eccentric Axial Compression Only / 165</p> <p>6.6 Axial Compression Eccentricity in Strong Direction Only / 165</p> <p>6.7 Columns with Side Brackets / 169</p> <p>6.8 Combined Axial Tension and Bending / 170</p> <p>6.9 Conclusion / 173</p> <p><b>7 TAPERED BEAMS 174</b></p> <p>7.1 Introduction / 174</p> <p>7.2 Tapered Beam Design / 176</p> <p>7.3 Beams with Tapered End Cuts / 183</p> <p>7.4 Conclusion / 188</p> <p><b>8 CURVED GLULAM BEAMS 189</b></p> <p>8.1 Introduction / 189</p> <p>8.2 Curved Beams with Constant Depth / 195</p> <p>8.3 Pitched and Tapered Curved Beams / 200</p> <p>8.4 Pitched and Tapered Curved Beams with Mechanically Attached Haunch / 223</p> <p>8.5 Conclusion / 232</p> <p><b>9 GLULAM ARCHES 233</b></p> <p>9.1 Introduction / 233</p> <p>9.2 Preliminary Design Procedure / 233</p> <p>9.3 Conclusion / 249</p> <p><b>10 HEAVY TIMBER DECKING 251</b></p> <p>10.1 Introduction / 251</p> <p>10.2 Installation Requirements / 251</p> <p>10.3 Design Formulas / 255</p> <p>10.4 Section Properties / 256</p> <p>10.5 Decking Design Values / 257</p> <p>10.6 Conclusion / 259</p> <p><b>11 CONNECTIONS IN TIMBER STRUCTURES 260</b></p> <p>11.1 Introduction / 260</p> <p>11.2 Connection Detailing Principles / 260</p> <p>11.3 Types of Fasteners / 264</p> <p>11.4 Reference Design Values for Fasteners / 272</p> <p>11.5 Adjustment Factors / 274</p> <p>11.6 Conclusion / 283</p> <p><b>12 MEMBER CAPACITY AT CONNECTIONS 284</b></p> <p>12.1 Introduction / 284</p> <p>12.2 Member Capacity at Connections Loaded Perpendicular-to-Grain / 284</p> <p>12.3 Member Capacity at Connections Loaded Parallel-to-Grain / 291</p> <p>12.4 Member Capacity at Connections Loaded at an Angle to Grain / 307</p> <p>12.5 Conclusion / 308</p> <p><b>13 DOWEL-TYPE FASTENERS 309</b></p> <p>13.1 Introduction / 309</p> <p>13.2 Dowel-Type Fasteners Loaded Laterally / 309</p> <p>13.3 Dowel-Type Fasteners Loaded in Withdrawal / 328</p> <p>13.4 Dowel-Type Fasteners Loaded Laterally and in Withdrawal / 330</p> <p>13.5 Conclusion / 334</p> <p><b>14 SHEAR PLATES AND SPLIT RINGS 335</b></p> <p>14.1 Introduction / 335</p> <p>14.2 Connectors in Side Grain / 336</p> <p>14.3 Timber Connectors in End Grain / 347</p> <p>14.4 Conclusion / 352</p> <p><b>15 MOMENT SPLICES 353</b></p> <p>15.1 Introduction / 353</p> <p>15.2 Shear Transfer / 355</p> <p>15.3 Moment Transfer / 355</p> <p>15.4 Conclusion / 370</p> <p><b>16 LOAD AND RESISTANCE FACTOR DESIGN 371</b></p> <p>16.1 Introduction / 371</p> <p>16.2 Design Values and Adjustment Factors / 372</p> <p>16.3 Design Checks / 374</p> <p>16.4 Conclusion / 381</p> <p><b>17 TIMBER BRIDGES 382</b></p> <p>17.1 Introduction / 382</p> <p>17.2 Types of Timber Bridges / 383</p> <p>17.3 Advantages of Glued Laminated Timber / 389</p> <p>17.4 Preservative Treatments / 390</p> <p>17.5 Wearing Surfaces / 391</p> <p>17.6 Guardrails / 392</p> <p>17.7 Design Methods / 393</p> <p>17.8 Conclusion / 395</p> <p><b>18 LRFD BRIDGE DESIGN 396</b></p> <p>18.1 Introduction / 396</p> <p>18.2 Longitudinal Stringers / 399</p> <p>18.3 Transverse Glulam Deck Panels / 418</p> <p>18.4 Longitudinal Deck (with Stiffeners) / 425</p> <p>18.5 Conclusion / 432</p> <p><b>19 ASD BRIDGE DESIGN 433</b></p> <p>19.1 Introduction / 433</p> <p>19.2 Longitudinal Stringers (Girders) / 436</p> <p>19.3 Interconnected Transverse Deck Panels / 447</p> <p>19.4 Non-Interconnected Transverse Deck Panels / 447</p> <p>19.5 Longitudinal Deck (with Stiffeners) / 457</p> <p>19.6 Static Design of Guardrail System / 463</p> <p>19.7 Conclusion / 474</p> <p><b>20 FIRE SAFETY 475</b></p> <p>20.1 Introduction / 475</p> <p>20.2 Types of Construction / 476</p> <p>20.3 Lessons from Actual Fires / 476</p> <p>20.4 Performance of Wood in Fire / 478</p> <p>20.5 Wood versus Steel / 479</p> <p>20.6 Heavy Timber Construction / 482</p> <p>20.7 Fire-Resistance-Rated Construction / 483</p> <p>20.8 Use of Stock Glulam Beams in Fire Rated Construction / 494</p> <p>20.9 Fire Retardant Treatment / 495</p> <p>20.10 Conclusion / 495</p> <p><b>APPENDIX A DESIGN EXAMPLES 497</b></p> <p>Introduction / 498</p> <p><b>APPENDIX B REFERENCE INFORMATION 594</b></p> <p>B.1 Beam Diagrams and Formulas / 595</p> <p>B.2 Typical Fastener Dimensions and Yield Strengths / 617</p> <p>B.3 Structural Glued Laminated Timber Reference Design Values / 623</p> <p>REFERENCES 630</p> <p>INDEX 641</p>

<p>Since 1952, the <b>AMERICAN INSTITUTE OF TIMBER CONSTRUCTION</b> 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.</p>

<p><b>THE DEFINITIVE DESIGN AND CONSTRUCTION INDUSTRY SOURCE FOR BUILDING WITH WOOD— NOW IN A THOROUGHLY UPDATED <i>SIXTH EDITION</i></b> <p>Since its first publication in 1966, <i>Timber Construction Manual</i> has become the essential design and construction industry resource for building with structural glued laminated timber. <i>Timber Construction Manual, Sixth Edition</i> 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. <p>Based on the most reliable technical data available, this edition has been thoroughly revised to encompass: <ul> <li>A thorough update of all recommended design criteria for timber structural members, systems, and connections</li> <li>An expanded collection of real-world design examples supported with detailed schematic drawings</li> <li>New material on the role of glulam in sustainable building practices</li> <li>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</li> <li>More cross-referencing to other available AITC standards on the AITC website</li> </ul> <p>Since 1952, the <b>AMERICAN INSTITUTE OF TIMBER CONSTRUCTION</b> 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.

US