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Texas DOT Experience with Prefabricated Bridge ... - MCEER

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Grouted Vertical Ducts<br />

• Technique<br />

– steel corrugated ducts embedded in cap to<br />

house column connectors<br />

• Advantages<br />

– inexpensive stay-in-place ducts<br />

– minimal reinforcement congestion<br />

– limited exposed top surface<br />

– minimal volume of grout<br />

• Disadvantages<br />

– more difficult grout placement

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