Reinforcing bars terminate at the face of support with standard hooks requiring specific development lengths measured from the critical section. The embedment length ldh requirements apply to both 90-degree and 180-degree hooks with tension force T equal to Asfy. Standard hook bend diameters D conform to standard hook and tie detail schedules. The development length extends from the face of the support to the outside of the hook tail.
REINFORCING BAR T=Asfy FACE OF SUPPORT FACE OF SUPPORT STANDARD HOOK 90° HOOK 180° HOOK T=Asfy D D "ldh" FOR STANDARD HOOK SIZES, SEE "STANDARD HOOK AND TIE DETAILS" "ldh" "ldh" STANDARD HOOK
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