Timber Connection Design: timber_rivet
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| timber_rivet | tr_dfl_16rv | 1 | 0.8 | 1 | 1 | 0 | 0 | 0 | 0 | 18,900 | 1.5 | 4.5 | 1 | 0 | 0.148 | 3/8 x 3 in timber rivet (16 rivets per plate) | 3.5 | Timber rivet 3/8 x 3 in n=16 rivets per plate; Species Group A (DFL); P=18900 lb per plate parallel; limited by wood shear block failure or rivet bending; Cg group action applies | 0 | 3 | Douglas Fir-Larch | 0.5 | 0 | 0 |
| timber_rivet | tr_dfl_3p8 | 1 | 0.8 | 1 | 1 | 0 | 0 | 0 | 0 | 10,200 | 1.5 | 4.5 | 1 | 0 | 0.148 | 3/8 x 3 in timber rivet (8 rivets per plate) | 3.5 | Timber rivet 3/8 x 3 in; n=8 rivets per plate; Species Group A (DFL); P=10200 lb parallel per plate per NDS Ch.12 Tables 12.7A-D; 3/16 in steel side plate required; Cpt metal plate factor; spacing=3 in along grain; end dist=4.5 in | 0 | 3 | Douglas Fir-Larch | 0.5 | 0 | 0 |
| timber_rivet | tr_sp_3p8 | 1 | 0.8 | 1 | 1 | 0 | 0 | 0 | 0 | 11,440 | 1.5 | 4.5 | 1 | 0 | 0.148 | 3/8 x 3 in timber rivet (8 rivets per plate) | 3.5 | Timber rivet 3/8 x 3 in in Southern Pine n=8; P=11440 lb per plate parallel; higher capacity than DFL proportional to Fe_par ratio (6160/5600=1.10); verified by AWC tables | 0 | 3 | Southern Pine | 0.55 | 0 | 0 |
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