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|Title: ||Innovative Pre-cast Cantilever Constructed Bridge Concept|
|Authors: ||Visscher, Brent Tyler|
|Advisor: ||Gauvreau, Douglas Paul|
|Department: ||Civil Engineering|
|Keywords: ||unbonded external post-tensioning|
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.|
|Appears in Collections:||Master|
Department of Civil Engineering - Master theses
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