Timber Connection Design: shear_plate
NDS 2018 (AWC) timber connection design values — dowel bearing strengths, withdrawal design values, and lateral design values (Z) for common nails, box nails, sinker nails, wood screws, lag screws, bolts, split ring connectors, shear plate connectors, and timber rivets by wood species group
| fastener type | record id | CD load duration typical | CM wet service | Cg group action | Ct temperature | Fe parallel psi (psi) | Fe perp psi (psi) | Fe small D psi (psi) | Z double shear lb (lb) | Z single shear lb (lb) | edge distance in (in) | end distance parallel in (in) | end grain factor Ceg (dimensionless) | fastener bending yield Fyb psi (psi) | fastener diameter in (in) | fastener length or size | min member thickness in (in) | notes | penetration depth min in (in) | row spacing in (in) | species group | specific gravity G (dimensionless) | toe nail factor Ctn (dimensionless) | withdrawal W lb per in (lb/in) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| shear_plate | shp_dfl_258 | 1 | 0.8 | 1 | 1 | 0 | 0 | 0 | 0 | 2,560 | 2.75 | 5.5 | 1 | 0 | 2.625 | 2-5/8 in shear plate (pressed steel) | 1.5 | 2-5/8 in pressed-steel shear plate connector; Species Group A (DFL); P=2560 lb parallel; Q_perp=1550 lb; Cst=1.18 steel side plates loaded parallel per NDS Sec 13.2.4; connector requires 3/4 in bolt | 1.75 | 6.75 | Douglas Fir-Larch | 0.5 | 0 | 0 |
| shear_plate | shp_dfl_400 | 1 | 0.8 | 1 | 1 | 0 | 0 | 0 | 0 | 4,260 | 4.5 | 9 | 1 | 0 | 4 | 4 in shear plate (malleable iron or pressed steel) | 2.5 | 4 in shear plate connector; Species Group A (DFL); P=4260 lb parallel; Q_perp=2580 lb; Cst=1.11 for steel side plates parallel per NDS Sec 13.2.4; 1 in bolt required | 2.25 | 9 | Douglas Fir-Larch | 0.5 | 0 | 0 |
| shear_plate | shp_sp_258 | 1 | 0.8 | 1 | 1 | 0 | 0 | 0 | 0 | 2,560 | 2.75 | 5.5 | 1 | 0 | 2.625 | 2-5/8 in shear plate (pressed steel) | 1.5 | 2-5/8 in pressed-steel shear plate in Southern Pine; Species Group A; P=2560 lb parallel; same as DFL Group A | 1.75 | 6.75 | Southern Pine | 0.55 | 0 | 0 |
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