In this part of the concrete anchor bolt design calculation example we will see the interaction of tensile and shear forces for the structural cast in place foundation anchor bolt of the column. Please refer the Figure-1 and 2 of the Part-1 of this anchor design series.
What the ACI 318 Codes says
If, the factored shear load (2300 lb in our case, refer part-1) > 0.2* design strength in shear (10821.297 lb in our case, refer part-7)
And, the factored tensile load (20000 lb in our case, refer part-1) > 0.2* design strength in tension (20694.6131 lb in our case, refer part-4)
(factored shear load / design strength in shear) + (factored tensile load /design strength in tension) <=1.2…………………..eq.8
For our case, the left hand side of the eq.8 becomes:
(2300/10821.297) + (20000/20694.613) = 1.181, which is less than 1.2, so, we can conclude that the anchor bolt design is safe under the interaction of tensile and shear forces.
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