MEADOW BURKE TECHNICAL MANUAL Precast

PrecastMEADOW BURKE TECHNICAL MANUAL3 Table of ContentsRapid Lift System 13 Rapid Lift TECHNICAL Information 14 Rapid Lift System Anchors 26 Double Tee Anchor 46 Rapid Lift System Ring Clutches 48 Rapid Lift System Recess Members & Accessories 51MB DogBone Lifting System 57MB DogBone System TECHNICAL Information 58MB DogBone System Anchors 61MB DogBone System Lifting Hardware 68MB DogBone System Recess Formers

7 Ncb = ANc yed,Nyc,Nycp,NNb Where ANco = 9hef 2 Nb = kcl fchef 1.5 Nb = 16l fchef 5/3 yc,N = 1.25 for cast-in anchors ycp,N = 1.0 ycp,N = 0.7+0.3 kc = 24 l = 1.0 for Normal Weight Concrete, 150 pcf hef = effective depth of the anchor, use equation D-7 for anchors less than 11” and equation D-8 for anchors greater than or equal to 11” ANco 1.5hef Ca, min (D-4)

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