ASD/LRFD Manual - American Wood Council

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ASD/LRFD Manual for Engineered Wood Construction 89 M12: SPLIT RING AND SHEAR PLATE CONNECTORS M12.1 General 90 M12.2 Reference Design Values 90 M12.3 Placement of Split Ring and Shear Plate Connectors 90 12 American Forest & paper association
90 M12: SPLIT RING AND SHEAR PLATE CONNECTORS M12.1 General This Chapter covers design for split rings and shear plates. These connectors rely on their geometry to provide larger metal-to-wood bearing areas per connector. Both are installed into precut grooves or daps in the members. M12.2 Reference Design Values Reference lateral design values (P, Q) are tabulated in the split ring and shear plate tables in NDS 12.2. Design Adjustment Factors 10.3.1 provides all applicable adjustment factors for split ring and shear plate connectors. Table M12.2-1 shows the applicability of adjustment factors for dowel-type fasteners in a slightly different format for the designer. Split ring and shear plate connections must be designed by applying all applicable adjustment factors to the reference lateral design value for the connection. NDS Table Table M12.2-1 Applicability of Adjustment Factors for Split Ring and Shear Plate Connectors 1 Split Ring and Shear Plate Connectors Allowable Stress Design Load and Resistance Factor Design P′ = P C D C M C t C g C ∆ C d C st P′ = P C M C t C g C ∆ C d C st K F φ z λ Q′ = Q C D C M C t C g C ∆ C d Q′ = Q C M C t C g C ∆ C d K F φ z λ 1. See NDS Table 10.3.1 footnotes for additional guidance on application of adjustment factors for split ring and shear plate connectors. For a single split ring or shear plate connection installed in side grain perpendicular to the length of the wood members, meeting the end and edge distance and spacing requirements of NDS 12.3, used in a normal building environment (meeting the reference conditions of NDS 2.3 and 10.3), and meeting the penetration requirements of NDS 12.2.3, the general equations for P′ and Q′ reduce to: for ASD: P′ = P C D Q′ = Q C D for LRFD: P′ = P K F φ z λ Q′ = Q K F φ z λ M12.3 Placement of Split Ring and Shear Plate Connectors Installation Requirements To achieve stated design values, connectors must comply with installation requirements such as spacing of connectors, minimum edge and end distances, proper dapping and grooving, drilling of lead holes, and minimum fastener penetration as specified in NDS 12.3. 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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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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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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