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Composite beam

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A Composite Structural Steel And Prestressed Concrete Beam For Building Floor Systems, Nathan Dewit Apr 2012

A Composite Structural Steel And Prestressed Concrete Beam For Building Floor Systems, Nathan Dewit

Architectural Engineering -- Dissertations and Student Research

Precast prestressed concrete beams, such as rectangular and inverted tee beam, currently used in residential and commercial buildings are deep, heavy, and limited to span-to-depth ratios of 15. The research proposes a composite structural steel and prestressed concrete beam that is shallow, light, easy to produce and erect, and able to achieve a span-to-depth ratio of 24. The proposed beam is designed to be used with precast columns, hollow-core planks, and a cast-in-place topping to create a moment-resisting floor system that minimizes the need for shear walls. The goal of this system is to eliminate as many of the limitations ...