Earthbound Corporation
17361 Tye Street SE
Monroe, WA 98272
Phone:   360-863-0722
Toll Free :  800-944-5669
Fax:   360-863-0724
Minimum Bearing Area : ACI 318-14
(17.4.2.7b) Npn = Ψ Np   Nominal Pullout Strength
(17.4.3.1) Np = 8 Abrg f 'c   Concrete Bearing Strength
17.4.3.6 Ψ = 1.0/1.4   Cracked / Uncracked concrete
(17.1) Nsa = Ase,n futa   Nominal Steel Strength
 Ncb   Nominal Concrete Breakout Strength
 Nsb   Nominal Side Face Blowout Strength
 
17.2.3.4.3  Case (a) 1.2 Nsa ≤ Npn ; Nsb : Ncb
Nsa   Npn   1.2   = 0.833 Npn
Case (b)   17.2.3.4.4 EQ Forces
                Φ Nsa ≤ 0.75 Φ Ncb or 0.75 Φ Nsb or 0.75 Φ Npn
... Nsa 0.75 (Φ1) Npn          Φ2          Φ1 = 0.75   Φ2 = 0.70
Nsa 0.8 Npn <------------ Controls