Question: When using match curing to determine the release strength of prestressed concrete beams, where should the temperature sensor in the beam be placed? Answer: Match curing is a procedure for curing concrete cylinders at the same temperature as that
THE AIR VOID ANALYZER
Gary Crawford, Federal Highway Administration and Leif Wathne, Soil and Land Use Technology For over 50 years, researchers have known that concrete is susceptible to freeze-thaw deterioration unless a system of air bubbles is present in the concrete to protect
HPC DECK PANELS FOR JACQUES CARTIER BRIDGE
Adel R. Zaki and Bernard Breault, SNC-Lavalin Inc. The reconstruction of the Jacques Cartier Bridge in Montreal, Canada, involved more than 645,800 sq ft (60,000 sq m) of bridge deck and made extensive use of precast, prestressed, high performance concrete
HPC IN ALASKA
Elmer E. Marx, Alaska Department of Transportation & Public Facilities Since the early 1970s, the Alaska Department of Transportation & Public Facilities has been building adjacent, precast, prestressed concrete deck bulb-tee girder bridges using high strength concrete (HSC). Most of