This concrete beam and girder construction joint details the transition between a first pour and a second pour occurring within the middle one-third of the span. All reinforcing steel continues uninterrupted across the joint interface, supplemented by additional ties typically spaced at twelve inches on center. The specific quantity of number six ties varies by member width: one tie each way for members up to seven inches wide, two ties each way for members eight to nineteen inches wide, four ties each way for members twenty to forty inches wide, and number six ties at twelve inches each way for members wider than forty inches.
ADDITIONAL TIES TYPICAL 1-#6 EA WAY FOR MEMBERS UP TO 7" WIDE 2-#6 EA WAY FOR MEMBERS 8" TO 19" WIDE 4-#6 EA WAY FOR MEMBERS 20" TO 40" WIDE #6 AT 12" EA WAY FOR MEMBERS WIDER THAN 40" ALL REINFORCING SHALL CONTINUE UNINTERRUPTED JOINT SHALL BE WITHIN MIDDLE 1/3 OF SPAN 1 1/2" D/3 D/3 D/3 (BEAM DEPTH) D TYP 12" 3" 3" 3" 3" FIRST POUR SECOND POUR CONCRETE BEAM AND GIRDER CONSTRUCTION JOINT 5
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