Jerry Zemajtis, CTL Group A major factor contributing to the cracking of concrete bridge decks is the shrinkage of the deck concrete. One test to measure the shrinkage of concrete is AASHTO T 160 (ASTM C 157)—Standard Method of Test
GREAT SALT LAKE CAUSEWAY RAILROAD BRIDGE
Anthony N. Kojundic, Silica Fume Association The course of the Trans-Continental Railroad is virtually unchanged since surveyors originally selected the route more than 140 years ago. The only exception is a short-cut causeway that crosses the Great Salt Lake near
CRACKING IN COLORADO BRIDGE DECKS
Yunping Xi, University of Colorado at Boulder The presence of cracks in newly constructed concrete bridge decks in Colorado prompted the Colorado Department of Transportation (CDOT) to initiate a study to determine the extent and causes of the cracking and
CONTROLLING BRIDGE DECK CRACKING IN INDIANA
Robert J. Frosch, Purdue University Many bridges in Indiana have cracks in their concrete decks. Cracking has occurred in both negative and positive moment regions of bridges, on both the top and bottom surfaces, and can appear before or shortly
SPECIFICATIONS TO REDUCE BRIDGE DECK CRACKING
JoAnn Browning and David Darwin, University of Kansas and Kenneth F. Hurst, Kansas Department ofTransportation R esearch over the past several decades has addressed the causes of cracking in cast-in-place reinforced concrete bridge decks in North America(1-3) including three detailed