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Pages 3-4

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From page 3...
... 3 Background Despite many advances in bridge design, concrete technology, and corrosion-resistant reinforcement, cracking of concrete members continues to be a concern for bridge owners, particularly for bridges exposed to severe environments. The presence of cracks provides a direct path for water and chlorides to penetrate concrete and reach the reinforcement, a process that can lead to degradation of the concrete or corrosion of steel reinforcement.
From page 4...
... 4 study approach Information for this synthesis was obtained from a literature review, surveys of state departments of transportation (DOTs) , surveys of provincial and territorial agencies in Canada, and input from selected individuals who have in-depth information.

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