ASD/LRFD Manual - American Wood Council

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ASD/LRFD Manual for Engineered Wood Construction 101 M16: FIRE DESIGN M16.1 General 102 Lumber 103 Structural Glued Laminated Timber 119 Poles and Piles 120 Structural Composite Lumber 121 Wood I-Joists 122 Metal Plate Connected Wood Trusses 131 M16.2 Design Procedures for Exposed Wood Members 145 M16.3 Wood Connections 159 16 American Forest & paper association
102 M16: FIRE DESIGN M16.1 General This Chapter outlines fire considerations including design requirements and fire-rated assemblies for various wood products. Lumber, glued laminated timber, poles and piles, wood I-joists, structural composite lumber, and metal plate connected wood trusses are discussed. Planning As a first step, the authority having jurisdiction where a proposed building is to be constructed must be consulted for the requirements of the specific design project. This normally concerns the type of construction desired as well as allowable building areas and heights for each construction type. Wood building construction is generally classified into types such as wood frame (Type V), noncombustible or fire-retardant-treated wood wall-wood joist (Type III), and heavy timber (Type IV). Type V construction is defined as having exterior walls, bearing walls, partitions, floors and roofs of wood stud and joist framing of 2" nominal dimension. These are divided into two subclasses that are either protected or unprotected construction. Protected construction calls for having load‐bearing assemblies of 1‐hour fire endurance. Type III construction has exterior walls of noncombustible materials and roofs, floors, and interior walls and partitions of wood frame. As in Type V construction, these are divided into two subclasses that are either protected or unprotected. Type IV construction includes exterior walls of noncombustible materials or fire-retardant-treated wood and columns, floors, roofs, and interior partitions of wood of a minimum size, as shown in Table M16.1-1. In addition to having protected and unprotected subclasses for each building type, increases in floor area and height of the building are allowed when active fire protection, such as sprinkler protection systems, are included. For example, protected wood-frame business occupancies can be increased from three to four stories in height because of the presence of sprinklers. Also, the floor area may be further increased under some conditions. Additional information is available at www.awc.org. Table M16.1-1 Material Roof decking: Lumber or structuraluse panels Floor decking: Lumber or flooring or structural-use panels Roof framing: Floor framing: Columns: Minimum Sizes to Qualify as Heavy Timber Construction Minimum size (nominal size or thickness) 2 in. thickness l-l/8 in. thickness 3 in. thickness 1 in. thickness 1/2 in. thickness 4 by 6 in. 6 by 10 in. 8 by 8 in. (supporting floors) 6 by 8 in. (supporting roofs) American Wood Council
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2005 EDITION ASD/LRFD MANUAL MANUAL
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Updates and Errata While every prec
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ii ASD/LRFD MANUAL FOR ENGINEERED W
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iv ASD/LRFD MANUAL FOR ENGINEERED W
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vi ASD/LRFD MANUAL FOR ENGINEERED W
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viii ASD/LRFD MANUAL FOR ENGINEERED
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ASD/LRFD MANUAL FOR ENGINEERED Wood
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M1: general requirements for struct
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M2: DESIGN VALUES FOR STRUCTURAL ME
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M3: Design Provisions and Equations
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M3: Design Provisions and Equations
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10 M3: Design Provisions and Equati
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12 M4: SAWN LUMBER M4.1 General Pro
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14 M4: SAWN LUMBER M4.4 Special Des
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16 M4: SAWN LUMBER Table M4.4-3 Coe
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18 M4: SAWN LUMBER Table M4.5-1a AS
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20 M4: SAWN LUMBER Table M4.5-2b AS
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22 M4: SAWN LUMBER Table M4.5-3a AS
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24 M4: SAWN LUMBER Table M4.5-4c AS
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26 M4: SAWN LUMBER Column Capacity
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28 M5: structural glued laminated t
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34 M6: ROUND TIMBER POLES AND PILES
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36 M6: ROUND TIMBER POLES AND PILES
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38 M7: PREFABRICATED WOOD I-JOISTS
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Page 63 and 64: 50 M7: PREFABRICATED WOOD I-JOISTS
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Page 99 and 100: 86 M11: DOWEL-TYPE FASTENERS M11.1
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Page 103 and 104: 90 M12: SPLIT RING AND SHEAR PLATE
Page 105 and 106: 92 M13: TIMBER RIVETS M13.1 General
Page 107 and 108: 94 M14: SHEAR WALLS AND DIAPHRAGMS
Page 113: 100 M15: SPECIAL LOADING CONDITIONS
Page 117 and 118: 104 M16: FIRE DESIGN Table M16.1-4
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Page 145 and 146: 132 M16: FIRE DESIGN Roof and Floor
Page 147 and 148: 134 M16: FIRE DESIGN NER - 392 WTCA
Page 149 and 150: 136 M16: FIRE DESIGN UL - P522 & P5
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152 M16: FIRE DESIGN Table M16.2-6
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154 M16: FIRE DESIGN Table M16.2-8
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156 M16: FIRE DESIGN Example 16.2-1
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158 M16: FIRE DESIGN For the fire d
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160 M16: FIRE DESIGN Figure M16.3-5
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American Forest & Paper Association
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ASD/LRFD Manual - American Wood Council

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