PROFIS ENGINEERING
Table
19. Sustained Tension Load Check ACI 318-19 Eq.( 17.5.2.2)
0.55 ϕ bond N ba, sustained ≥ N ua, s
Reference ESR-4868 Table 15 for ϕ bond-value. N ba = λ a α N, seis τ xxxx π d a h ef Reference bond strength calculations above for N ba-parameters. N ba, sustained = N ba /( α N, seis) =( 31,809 lb / anchor) / 1.0
N ba = 31,809 lb / anchor α N, seis = 1.0
= 31,809 lb / anchor 0.55 ϕ bond N ba, sustained ≥ N ua, s ϕ bond = 0.65
0.55( 0.65)( 31,809 lb / anchor) = 11,372 lb / anchor 11,372 lb / anchor > 1186 lb / anchor OK
N ua, s = 1186 lb / anchor Reference page 96.
Table 20. Nominal Steel Strength in Shear( V sa) V sa, eq = α V, seis V sa α V, seis = 1.0 V sa = 15,055 lb / anchor V sa, eq = 15,055 lb / anchor
Reference ESR-4868 Table 11 for V sa-value. Reference ESR-4868 Table 11 for α V, seis = 1.0-value.
October 2025 96