Are there any codes that prohibit specifying a 180 degree hook for #18 rebar or recommendations against? I have received a recommendation from a fabricator against a 180 degree hook for #18 rebar stating it will put undue stress on the bar, risking breakage.
I am checking a slab founded on rock loaded by steel strand anchors for two way shear (punching shear). Analysis shows #9 bars @ 12" in both directions are required to resist flexure. This does not meet the requirements of ACI Eqn. 10-3 for min reinforcement of flexural members but does satisfy...
