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Four deep
Roads & Bridges
June 2008
By Dr. Kevin MacDonald
Cement mixes give I-35W a stable design
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A sustained drive
Roads & Bridges
January 2008
By Linda Figg and W. Jay Rohleder Jr, PR, SE
Innovation in cables and concrete keep bridge construction moving onward and upward
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A Winning Performance
Concrete Today
November 2005
By Anthony M. Sorcic
It’s imperative that state and local agencies, along with specifiers and owners, be made aware of alternative concrete systems.
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Still The Same Old Track
Roads & Bridges
June 2005
Bill Wilson Editor in Chief
With Gordon disabled, Wallace was able to coast to victory, but the history and character of the Martinsville Speedway was still in danger.
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Void all checks
Roads & Bridges
March 2005
Jim Grove, P.E., and Mark Anderson-Wilk, Contributing authors
But then, in 1990, staining and cracking were discovered in a pavement that was built in 1987. The problem wasn’t specifically an aggregate issue. It was a new phenomenon.
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Bridges With More
Roads & Bridges
August 2004
Peter C. Taylor, Ph.D., P.E., and Shrinivas B. Bhide, Ph.D., P.E., S.E Contributing Authors
To make it easier for specifiers to use HPC for bridges, the Portland Cement Association has worked with CTLGroup to develop a Guide Specification for High Performance Concrete for Bridge Elements.
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Next performance
Roads & Bridges
January 2004
Jennifer G. Prokopy
During the past 10 years, the design and use of high-performance concrete (HPC) has become more common, with hundreds of structures created using the material. HPC makes it possible to create longer components for the bridges, reducing the number of piers in water and adjacent to roadways, resulting in lower foundation costs and improved safety. It reduces the number of expansion joints and bearings and the subsequent need for repair and replacement.
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