TILT-UP CONSTRUCTION - Brock White

TILT-UP CONSTRUCTION - Brock White TILT-UP CONSTRUCTION - Brock White

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Strongback SystemStrongback SystemStrongbacksWhen strongbacks are specified, they must be of the propernumber, size and located as shown on the Panel LayoutSheetStrongbacks, depending on type specified, must meet thefollowing requirements:• Aluminum strongbacks must be Dayton Superior T-63Aluminum Strongbacks.• Lumber strongbacks must be free of knots or defects,have a minimum f b (allowable bending) stress of1,500 psi.• Steel strongbacks must meet ASTM Standard A-36.Bolts used to attach strongbacks must be securely tightenedto resist movement of the strongbacks during the erectionprocess.Maximum space between strongbacks is the bolt diameterplus 1/2”.Strongbacks Using Coil Inserts, CoilBolts and Flat WashersB-11 PlateWasherStrongbacks Using Quick ReleaseStrongback Inserts and QuickRelease Strongback BoltsDirectionalHandleStrongbacks8” CentersDirectional HandleCoil Wing Nut1/2” x 5” x 5”Plate WasherT-61 InsertSingle Quick Release Strongback Insert and BoltStrongbacksB-14 Coil Bolt orB-12 Coil Rod and NutT-1StrongbackInsertT-62 BoltassemblyStrongbacksCut WasherT-76-AStrongback PlateSingle Strongback Insert and BoltT-61 InsertStrongbacks12” CentersDouble Strongback Insert and BoltT-76 DoubleStrongbackPlate andCut WashersB-14 Coil Bolt orB-12 Coil Rodand NutT-2StrongbackInsertDouble Quick Release Strongback Insert and BoltNote: Install the insert’s horizontal load carrying wireperpendicular (90°) to the center line of the strongbacksas shown above.WARNINGTo prevent failures resulting in property damage, seriousinjury or death:• Properly install strongbacks of the specified size andmaterial at the specified locations.• Properly install all specified strongback blocking,bracing, shore post or end foot.• Properly install all specified “burn-out” bars68 02-09

Strongback SystemT-13-D Strongback Anchor BoltThe T-13-D Strongback Anchor Bolt is designed tobe used in emergency situation. The T-13-D allows thecontractor to locate a strongback on a panel after thepanel has been poured. This is accomplished by usingthe same procedure as the T-13 Bolt, drilling a 3/4”diameter hole in the panel and installing the StrongbackAnchor Bolt by torque to a minimum of 200 ft. Ibs. 3/4”.Refer to pages 80 and 81 for additional installationdetails.B-12 Coil Rod or 3/4” B14-A Adjustable Coil Bolts,with B-11 Plate Washers then are screwed into the topof the Strongabck Anchor Bolt and the strongbacks areattached to the panel. Once the panel is erected andthe strongbacks are removed, the T-13-D StrongbackAnchor Bolt is removed and reused on future panels.The reusable bolt is available in both a 4-1/2” length anda 6” length.T-13D Length SWL @ 2:1 SF4-1/2” 4,500 lb.6” 6,000 lb.T-13 Strongback Anchor BoltTo Order:Specify: (1) quantity, (2) name, (3) length.Example:50, T-13D Strongback Anchor Bolt,4-1/2” long.Note: T-13 Tang not shown on above drawing. One Tangand Round Washer supplied with each T13-D StrongbackAnchor. Additional T-13 Tangs available by contactingDayton Superior Customer Service Department.Strongback System02-0969

Strongback SystemStrongback SystemStrongbacksWhen strongbacks are specified, they must be of the propernumber, size and located as shown on the Panel LayoutSheetStrongbacks, depending on type specified, must meet thefollowing requirements:• Aluminum strongbacks must be Dayton Superior T-63Aluminum Strongbacks.• Lumber strongbacks must be free of knots or defects,have a minimum f b (allowable bending) stress of1,500 psi.• Steel strongbacks must meet ASTM Standard A-36.Bolts used to attach strongbacks must be securely tightenedto resist movement of the strongbacks during the erectionprocess.Maximum space between strongbacks is the bolt diameterplus 1/2”.Strongbacks Using Coil Inserts, CoilBolts and Flat WashersB-11 PlateWasherStrongbacks Using Quick ReleaseStrongback Inserts and QuickRelease Strongback BoltsDirectionalHandleStrongbacks8” CentersDirectional HandleCoil Wing Nut1/2” x 5” x 5”Plate WasherT-61 InsertSingle Quick Release Strongback Insert and BoltStrongbacksB-14 Coil Bolt orB-12 Coil Rod and NutT-1StrongbackInsertT-62 BoltassemblyStrongbacksCut WasherT-76-AStrongback PlateSingle Strongback Insert and BoltT-61 InsertStrongbacks12” CentersDouble Strongback Insert and BoltT-76 DoubleStrongbackPlate andCut WashersB-14 Coil Bolt orB-12 Coil Rodand NutT-2StrongbackInsertDouble Quick Release Strongback Insert and BoltNote: Install the insert’s horizontal load carrying wireperpendicular (90°) to the center line of the strongbacksas shown above.WARNINGTo prevent failures resulting in property damage, seriousinjury or death:• Properly install strongbacks of the specified size andmaterial at the specified locations.• Properly install all specified strongback blocking,bracing, shore post or end foot.• Properly install all specified “burn-out” bars68 02-09

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