Ver. Rebar Top Anchorage Option

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Ver. rebar top anchorage option will impact the anchor
bolt embedment depth h_ef .
There are 3 options : straight bar , 180 degree hook
or hairpin.

For straight bar option, l_d will be used as per
ACI 318-11 12.2.1

For 180 degree hook or hairpin option, l_dh will be used
as per ACI 318-11 12.5.2 and 12.5.3.

Use of 180 degree hook or hairpin instead of straight
bar will greatly reduce the required anchor bolt embedment depth h_ef .

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