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Pearl Harbor Memorial Bridge

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Pearl Harbor Memorial Bridge

Pearl Harbor Memorial Bridge

New Haven, Connecticut, United States

To replace the old, functionally obsolete bridge over the Quinnipiac River in New Haven, Connecticut, the Connecticut DOT initiated the redevelopment of the interchange Interstate 95, Interstate 91, and CT Route 34, which included the new Pearl Harbor Memorial Bridge. AECOM provided design services for the 1,013-foot main span, extradosed cable-stayed bridge unit. The project team provided two design alternatives with the concrete box girder superstructure option, which ultimately proved to be more aesthetically pleasant and cost-effective.

AECOM used RM Bridge for structural modeling and design, including construction sequence, post-tensioning, stay-cable force adjustments, and time dependent analysis. The team used the software to perform and plot multiple concrete service stress checks and strength capacity checks in accordance with the AASHTO Standard Specifications for Highway Bridges. Bentley technologies also enabled detailed evaluations against numerous constraints to determine the optimal cable angles and tower heights to satisfy Federal Aviation Administration requirements.

This case study was provided by Bentley Software

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