Lag Bolts in Withdrawal
NDS table 11.2A
w = reference withdrawal design value per inch of thread penetration
pw = thread penetration = thread length - tapered tip length
W = w pw
Base Conditions
- 10-year duration
- initially dry and remains dry
- normal temperature
- penetrates side grain
End Grain Factor Ceg
avoid end grain connection where possible
Ceg = 0.75