MACROPILES TM : Ultra-High- Capacity Micropiles for Foundation - PowerPoint PPT Presentation

Jul 17, 2023 •106 likes •401 views

MACROPILES TM : Ultra-High- Capacity Micropiles for Foundation Support John R. Wolosick, P.E. Hayward Baker Inc., Atlanta, Georgia USA ISM International Society for Micropiles May 4, 2006 Schrobenhausen, Germany Atlanta Hartsfield

MACROPILES TM : Ultra-High- Capacity Micropiles for Foundation Support John R. Wolosick, P.E. Hayward Baker Inc., Atlanta, Georgia USA ISM – International Society for Micropiles May 4, 2006 Schrobenhausen, Germany
Atlanta Hartsfield International Airport 1000 Ton Load Test
12 inch Diameter Outer Pipe
Double Reaction Beam Set-Up
Independent Reference Frame
FHWA Minipile Load Test Hartsfield Int'l Airport Atlanta, GA Load (Tons) 0.0 200.0 400.0 600.0 800.0 1000.0 1200.0 0.000 Design Load 400 Tons 0.200 0.258 0.340 0.400 Deflection (Inches) 0.600 0.800 0.916 1.000 1.200 Test #1 Data Rebound Curve 2 1.277 Design Load 1.400 Test #2 Data Rebound Curve 2
Jackson Avenue & 47 th Avenue Long Island City, Queens, NY August, 2005 Installation of 29 Macropiles reduced foundation installation from 100 Micropiles 750 Ton working axial capacity 18 inch (450 mm) OD steel pipe, 6 #20 (64 mm) Grade 80 Steel bars, 6000 psi (41,350 kPa) cement grout
Section View of Macropiles and Pile Cap
Section View of Macropile Reinforcement
High Strength Cages with Tremie Tubes
Reinforcing Cage and Tremie Details
Setting Reinforcing Cage with Crane
Reinforcing Cage within Casing
Bearing Plates: 30 inch x 30 inch (760 mm x 760 mm)
Chelsea Arts Tower New York, NY February, 2005 22 Story Condominium Structure 27 Macropiles installed Diameters were 12, 18, 24 inch (305, 450, 610 mm) Design (Working) Loadings were up to 1400 Tons compression and 225 Tons tension!
Section View of Macropiles and Pile Cap
Section View of Macropile Reinforcement
MACROPILE DESIGN LOADS
Macropile Layout
Reinforcement Design for 1400 Ton Macropile Plan View Layout for Macropiles
Flushing out a rock socket prior to Macropile installation
Assembly of Macropile Reinforcing Cage
Setting Reinforcing Cage with Crane
Setting Reinforcing Cage on a Snowy Day
The End Questions?

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