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Vertical ConcreteSlipforming
Scholer-Peterson Concrete ConferenceFebruary 12
Kansas State University
byFred J. Fairchild, P.E.
Department of Grain Science and IndustryKansas State University
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Applicable Codes• ACI-318
• ACI-313
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Slipform Form
jaYoke
Form Walls
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Slipform Form
jaForm Walls
3’-6
”
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Slipform Form
jaJack Rod
Jack
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Slipform Form
jaChamfer Strips
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Jacks and YokesJack Capacities:• 3 Ton• 6 Ton• 22 TonYoke Spacing:• 3-4 Ft. ApartConcrete Placed in 6-8” liftsContinuous Pour 24 hours/day
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Round Bins/Structures
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Individual Yoke w/ Jack
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Multiple Wall Plan
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Multiple Wall Plan
8 - 22 Ton Jack
Locations
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Multi Wall Yoking
Delta Yoke
Cross Yoke
Standard Yoke
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Overhead Beam Structure
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Overhead Structure
22 Ton Jack
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Slipform Deck
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Slipform Processing Plant
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Wall Beams Under Deck
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KSU FLOUR MILL CONSTRUCTION
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PREPARING THE SITE
• September 14, 2005
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FORMING FOUNDATION
• Sept 22, 2005
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POURING FOUNDATION• October 4, 2005
• 42” Thick
• 809 Yards of Concrete
• 66 Tons of Reinforcement
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BUILDING SLIP FORMS
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BUILDING SLIP FORMS
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BUILDING SLIP FORMS
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SLIPPING THE WALLS
• First Pour 8:00AM • Monday, October 31, 2005
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SLIPPING THE WALLS
• 9 Ft. High• 7:00PM Monday, October 31, 2005
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SLIPPING THE WALLS
• 19 Ft. High8:00AM Tuesday, November 1, 2005
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SLIPPING THE WALLS
• 29 Ft. High7:00PM Tuesday, November 1, 2005
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SLIPPING THE WALLS
• 39 Ft. High8:00AM Wednesday, November 2, 2005
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SLIPPING THE WALLS
• 50 Ft. High7:00PM Wednesday, November 2, 2005
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SLIPPING THE WALLS
• 61 Ft. High8:00AM Thursday, November 3, 2005
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WALLS FINISHED
• 72 Ft. High7:00PM Thursday, November 3, 2005
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WALLS FINISHED
• Continuous Pour
• 83 Hours
• 1406 Yards of Concrete
• 92 Tons of Reinforcement
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INSIDE THE WALLS
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FORMING THE FLOORS
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POURING THE FLOORS
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FORMING ROOF DECK
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POURING THE ROOF
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POURING THE FLOORS
• 5 Floors and Roof
• 100 Yards of Concrete Each Floor
• Last Pour (Roof) February 3, 2006
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FINISHING ROOF POUR
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Questions ?
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Thank You