Tarif Jaber, Jaber Engineering Consulting, Inc. and Ahmad Ardani, Colorado Department of Transportation In 2000, the Colorado Department of Transportation (CDOT) received a $700,000 award under the Innovative Bridge Research and Construction (IBRC) program to investigate new, innovative materials in
EVOLUTION OF HPC IN WASHINGTON STATE
Jerry Weigel, Washington State Department of Transportation The Washington State Department of Transportation (WSDOT) has been very active in the development of high performance concrete (HPC). WSDOT, as a member of the AASHTO/SHRP Lead States Team, conducted a demonstration project
HPC IN MONTANA
Craig Abernathy, Montana Department of Transportation In the summer of 2002, the Montana Department of Transportation (MDT) initiated a research project on Secondary Road No. 243 near the town of Saco in northeast Montana. This research opportunity was afforded by
Question and Answer
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