EWPAA Structural Plywood and LVL Design Manual - Engineered ...

Connector Capacity Factors• Capacity factor (Φ) will be chosen based on the member being a part of a primarystructural system.• Critical load is the dead load:Φ = 0.8 Table 2.6k 1 = 0.57• Grain orientation factor for Type 1 nailed joints:k 13 = 1.0• Because the gusset plates are plywood the nails will be in single shear.• For nails driven through plywood:• An assumed value for k 17 is:k 14 = 1.0k 16 = 1.1k 17 = 0.9• Since the LVL is to be of joint strength group JD4 the characteristic capacity of a single 2.8mmdiameter nail driven into JD4 timber is:Q k= 665NNumber of NailsFrom Equation 13.3:n=N*φk1k13k14k16k17Qk325 x10=0.8 x 0.57 x1.0 x1.0 x1.1x 0.9 x 665n= 42 nails each sideNumber of RowsThe number of rows of nails can be found from:198