John R. Wolosick, P.E. Hayward Baker Inc. Atlanta, Georgia

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Presentation transcript:

John R. Wolosick, P.E. Hayward Baker Inc. Atlanta, Georgia IWM 2004 Tokyo, Japan Micropile Foundations Johnson City Medical Center Johnson City, Tennessee John R. Wolosick, P.E. Hayward Baker Inc. Atlanta, Georgia

Map of United States

Southeastern United States

Johnson City Medical Center Reason for Micropiles: Karstic Limestone

Plan View Layout of Micropile Foundations 143 Micropiles

Test Pile and Reaction Pile Layout

Load Test Frame and Reaction Anchors

Running Load Test with Inspector

Load Test Results to 2.5 times DL

Production Compression Pile Installation

Compression Pile Configuration

Adding Threaded Pipe Section with Drill Rig Winch

Steel Pipe Casings for Micropiles

Reinforcing bars with Centralizers

Bulk Cement and Portable Batch Plant

Placing Reinforcing bar for bond zone

Elevator Shafts with Torsional Loadings

Elevator Pit Pile Layout Section View

Compression/Tension Pile Configuration at Elevator Shafts

Vertical Piles at Elevator Shafts

Battered Pile Drilling

More Battered Pile Drilling

Vertical and Battered Pile for Torsion

KR 701 for Low Headroom Pile Installation

The End Questions?

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