Design guide for considering concrete breakout in shear using ACI 318 anchoring-to-concrete provisions October 2025 | Page 153

PROFIS ENGINEERING
Table
45. Resultant Tension / Shear Loads and Individual Tension / Shear Loads
Anchor
Tension Load( lb / anchor)
Sustained Tension Load
( lb / anchor)
Shear Load( lb / anchor)
Shear Load x-direction( lb / anchor)
Shear Load y-direction( lb / anchor) 1 167 N / A 228-167-155 2 176 N / A 241-178-162 3 217 N / A 248-176-176 4 239 N / A 244-165-180 5 221 N / A 230-155-170 6 181 N / A 223-159-157 Tension eccentricity: e c1, N( wrt x direction) = 0.467 in e c2, N( wrt y direction) = 0.1 in Shear eccentricity: e cV( wrt x direction) = 0.185 in e cV( wrt y direction) = 0.185 in
Resultant Tension Load( N ua) = 1200 lb( acts on anchor group) 239 = highest loaded anchor in tension( acts on anchor 4)
Resultant Shear Load( V ua) = 1414 lb( acts on anchor group) 248 = highest loaded anchor in shear( acts on anchor 3)
Table 46. Nominal Steel Strength in Tension( N sa) N sa = ESR value ESR-4266 Table 4
N sa = 11,240 lb / anchor
October 2025 153