ASD/LRFD Manual - American Wood Council

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ASD/LRFD Manual for Engineered Wood Construction 85 M11: DOWEL- TYPE FASTENERS M11.1 General 86 M11.2 Reference Withdrawal Design Values 86 M11.3 Reference Lateral Design Values 86 M11.4 Combined Lateral and Withdrawal Loads 86 M11.5 Adjustment of Reference Design Values 87 M11.6 Multiple Fasteners 87 11 American Forest & paper association
86 M11: DOWEL-TYPE FASTENERS M11.1 General This Chapter covers design of connections between wood members using metal dowel-type (nails, bolts, lag screws, wood screws, drift pins) fasteners. These connectors rely on metal-to-wood bearing for transfer of lateral loads and on friction or mechanical interfaces for transfer of axial (withdrawal) loads. They are commonly available in a wide range of diameters and lengths. M11.2 Reference Withdrawal Design Values The basic design equation for dowel-type fasteners under withdrawal loads is: W′p ≥ R W where: W′ = adjusted withdrawal design value R W = axial (withdrawal) force p = depth of fastener penetration into wood member Reference withdrawal design values are tabulated in NDS Chapter 11. M11.3 Reference Lateral Design Values The basic equation for design of dowel-type fasteners under lateral load is: Z′ ≥ R Z where: Z′ = adjusted lateral design value R Z = lateral force Reference lateral design values are tabulated in NDS Chapter 11. M11.4 Combined Lateral and Withdrawal Loads Lag screws, wood screws, nails, and spikes resisting combined lateral and withdrawal loads shall be designed in accordance with NDS 11.4. 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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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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136 M16: FIRE DESIGN UL - P522 & P5
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138 M16: FIRE DESIGN NER - 392 WTCA
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140 M16: FIRE DESIGN Area Separatio
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142 M16: FIRE DESIGN type of assemb
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144 M16: FIRE DESIGN Table M16.1-10
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146 M16: FIRE DESIGN Compression Me
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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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