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Use Of Uhpc Stay-In-Place Shells In Bridge Column Construction For Accelerated Bridge Construction, Nerma Caluk
Use Of Uhpc Stay-In-Place Shells In Bridge Column Construction For Accelerated Bridge Construction, Nerma Caluk
FIU Electronic Theses and Dissertations
This research utilizes Ultra-High Performance Concrete (UHPC), durable material that can be used to construct unique structural elements, to construct prefabricated shells that act as stay-in-place forms for circular bridge columns. These innovative structural elements are intended to (1) eliminate conventional formworks, (2) reduce the on-site construction time, (3) reduce life cycle costs by providing maintenance-free columns, and (4) improve the structural performance of bridge columns. The UHPC shell is placed around the column reinforcement that has been assembled using conventional methods, after which a UHPC step portion is cast at the column-to-footing interface to connect the UHPC shell with …