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T-Space at The University of Toronto Libraries >
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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/11170

Title: Innovative Pre-cast Cantilever Constructed Bridge Concept
Authors: Visscher, Brent Tyler
Advisor: Gauvreau, Douglas Paul
Department: Civil Engineering
Keywords: unbonded external post-tensioning
cantilever construction
fibre-reinforced concrete
minimum impact construction
Issue Date: 30-Jul-2008
Abstract: Minimum impact construction for bridge building is a growing demand in modern urban environments. Pre-cast segmental construction is one solution that offers low-impact, economical, and aesthetically pleasing bridges. The standardization of pre-cast concrete sections and segments has facilitated an improved level of economy in pre-cast construction. Through the development of high performance materials such as high strength fibre-reinforced concrete (FRC), further economy in pre-cast segmental construction may be realized. The design of pre-cast bridges using high-strength FRC and external unbonded tendons for cantilever construction may provide an economical, low-impact alternative to overpass bridge design. This thesis investigates the feasibility and possible savings that can be realized for a single cell box girder bridge with thin concrete sections post-tensioned exclusively with external unbonded tendons in the longitudinal direction. A cantilever-constructed single cell box girder with a curtailed arrangement of external unbonded tendons is examined.
URI: http://hdl.handle.net/1807/11170
Appears in Collections:Master
Department of Civil Engineering - Master theses

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