About the author  ⁄ Benjamin E. Byard, P.E., Ph.D.

Benjamin E. Byard is a Bridge Program Manager with the Tennessee Valley Authority. He is a past president and treasurer of the ASCE Chattanooga Branch. (bebyard@tva.gov)

Early-age cracking of concrete bridge decks, typically caused by drying, autogenous, and thermal shrinkage effects, can have detrimental effects on long-term behavior and durability. Darwin and Browning (2008) recently reported that “by controlling early-age cracking, the amount of cracking at later ages should remain low.” They also reported that early-age cracking could significantly increase the rate and amount of chloride penetration (from deicing salts), which may accelerate the corrosion rate of embedded reinforcing steel.

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