I have run into some spread footing designs for 3-sided precast bridges and arch elements where overburden loads were reduced by multiplying the active soil pressure times the friction coefficient against the column of soil above the footing. In some cases this vitually eliminates the overburden...
A question has come up regarding the horizontal wall rienforcement in underground precast tanks. If the bars are bent 90 degrees at the corner, does this constitute a hook subject to the requirements of Art. 12.5 of ACI 318? I don't believe it does but I cannot find a definative reference that...
A question has come up regarding the horizontal wall rienforcement in underground precast tanks. If the bars are bent 90 degrees at the corner, does this constitute a hook subject to the requirements of Art. 12.5 of ACI 318? I don't believe it does but I cannot find a definative reference that...