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Ground Anchor Systems
Concrete Anchor Systems
Post Tensioning Systems
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Concrete Forming Hardware Systems
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Post Tensioning Systems Case Histories:
Glenwood Canyon, Colorado I-70

Post Tension
Information
Parts &
Accessories
Post Tension
Installation
Installation Equipment Case
Histories
Corrosion
Protection
Contractor:
Flatiron Structures

Engineer:
DeLeuw Cather

Owner:
State of Colorado

Case No:
294140

Product Used:
150 KSI Post Tensioning System

150 KSI Post Tensioning System
150 KSI Post Tensioning System 150 KSI Post Tensioning System

The State of Colorado Highway Department set out to continue I-70 through beautiful and environmentally sensitive Glenwood Canyon in western Colorado. To do so they chose the balanced cantilever sections. Precast sections were also used to create retaining walls by post tensioning precast double T sections to prepoured foundations. Williams 1", 1-1/4" and 1-3/8" 150 KSI All-Thread-Bars were used by the contractor, Flatiron Structures, in all phases of the post tensioning work including the precast sections for a bike path which runs adjacent to the highway the full length of the canyon. A marvelous project, which through cooperation of the State Highway Department, contractors, engineers and suppliers, was completed almost a year ahead of schedule with minimal effect on the environment.

Main Reason They Chose Williams

According to Gary Jewell, Flatiron-Prescon Superintendent, Williams thread form was easier to work with in tensioning bridge segments together.
Post Tension
Information
Parts &
Accessories
Post Tension
Installation
Installation Equipment Case
Histories
Corrosion
Protection
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