Question: How do we measure the cracking tendency of concrete? Answer: The AASHTO PP 34—Standard Practice for Estimating the Cracking Tendency of Concrete covers the determination of the cracking tendency of restrained concrete ring specimens. The procedure is mainly comparative
MITIGATING DECK CRACKING IN PENNSYLVANIA
Bryan Spangler, Pennsylvania Department of Transportation and Paul J. Tikalsky, University of Utah Reducing cracking and creating long-life bridge decks in Pennsylvania has become a critically important strategy in renewing the Commonwealth’s aging transportation infrastructure. In spring 2001, construction commenced
EARLY AGE CRACKING IN SOUTH CAROLINA’S BRIDGE DECKS
Aly A. Hussein, South Carolina Department of Transportation The South Carolina Department of Transportation (SCDOT)’s first use of high performance concrete (HPC) in bridge decks started in the early 1990s. A 1993 report(1) entitled “A Study of Microsilica Concrete,” was
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REDUCING CRACKS IN CONCRETE BRIDGE DECKS
M. Myint Lwin, Federal Highway Administration and Henry G. Russell, Henry G. Russell, Inc. n recent years, many bridge owners have adopted the use of lower permeability concretes in bridge decks to reduce chloride penetration and extend the time before