M. Myint Lwin and Louis N. Triandafilou, Federal Highway Administration The United States Code, Title 23 – Highways, Section 125 – Emergency Relief authorizes special expenditure from the Highway Trust Fund for the repair or reconstruction of roads on federal
THE IMPACT OF FLY ASH ON AIRENTRAINED CONCRETE
Russell L. Hill, Boral Material Technologies and Kevin J. Folliard, University of Texas The use of fly ash to produce more durable concrete is a well-established practice. The judicious use of fly ash results in reduced heat of hydration, increased
HPC MIXTURE DEVELOPMENT FOR MONTANA USING LOCAL MATERIALS
John Lawler and Paul Krauss, Wiss, Janney, Elstner Associates, Inc. and Craig Abernathy, Montana Department of Transportation Concrete bridge decks in Montana are subjected to severe service conditions. Potential deterioration mechanisms include corrosion of the reinforcing steel and scaling of
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NEW YORK STATE’S USE OF HIGH STRENGTH HIGH PERFORMANCE CONCRETE
Mathew Royce, New York State Department of Transportation New York State’s Department of Transportation (NYSDOT) first used high strength, high performance concrete (HSHPC) for bridge beams in 2001. Initial experience showed that concrete with a compressive strength of 10,150 psi
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NEW JERSEY’S FIRST SEGMENTAL CONCRETE BRIDGE
Jose Rodriguez, FIGG Engineering Group and Harry A. Capers, Jr., New Jersey Department of Transportation The new Victory Bridge on State Route 35, across the Raritan River between Perth Amboy and Sayreville, is New Jersey’s first segmental concrete box girder