ASCE Structural Engineering Conference Presentation · ASCE Structural Engineering Conference...
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Trout Run Trail Bridge - Design ASCE Structural Engineering Conference Presentation November 4, 2013
Transcript of ASCE Structural Engineering Conference Presentation · ASCE Structural Engineering Conference...
Trout Run Trail Bridge - Design
ASCE Structural Engineering Conference Presentation
November 4, 2013
Presentation Topics
• Project Background• Design• Aesthetics
Trout Run Trail Bridge
PROJECT BACKROUND
Location
• NE Iowa• Winneshiek County• City of Decorah• Trout Run Trail over
State Highway 9Ames
Decorah
Design Partners
• Owner– City of Decorah
• Design Engineers– Erdman Engineering– WHKS & Co.
• Engineering Support– Braun Intertec– Iowa Department of Transportation
Construction Partners
• Prime Contractor– Cramer and Associates
• Post Tensioning Contractor– Freysinnet, Inc.
Project History
• 2001 “Trails of Winneshiek” formed– Planned to connect local destinations– Developed an 11 mile long “looped” trail
• 2003 Preliminary Engineering– Landowner Agreements– Budget Estimates– Grant writing
Project History
• 2006 Trail Design Begins– 12 segments, 4 spurs
• IA 9 Bridge Design Begins – February 2011
• Letting Date - October 18, 2011– Construction Began in Nov. 2011
• 2012 Final Segment Completed– Bridge opened in September 2012
IA 9 Bridge
Trout Run Trail Bridge
DESIGN
Trout Run Trail Bridge
DESIGN
Codes and References
• AASHTO LRFD 4th Edition, 2007• AASHTO LRFD Guide Specifications for the
Design of Pedestrian Bridges, 2009• Florida DOT - Specifications and Design Manual• “Structural Modeling of Posttensioned Members”
Journal of Structural Engineering – February 2000
• Post Tensioning Design Manual
Designed Elements
• Post-Tensioned Slab• Arches• Piers• Abutments• Railing
Design Programs
• “STAAD.Pro V8i” by Bentley
• “Biaxial Column v3.0” by FDOT (Florida DOT)
• “DFSAP” by WSDOT (Washington State DOT)
• “FB-Pier” by BSI (Bridge Software Institute)
• “Excel” by Microsoft
• “MathCad” by PTC
Superstructure Design
Superstructure Design
Superstructure Design
Substructure Design
Railing Design
Decorah – Trout Run Trail London – Milleneum Bridge
Trout Run Trail Bridge
AESTHETICS
Aesthetics
• Bridge Form• Railing• Concrete Form Liner• Colored Concrete Sealer• Lighting
Bridge Form
Railing
Form Liner and Colored Sealer
Lighting
Lighting
Lighting
Lighting
Trout Run Trail Bridge
QUESTION & ANSWER PERIOD
Trout Run Trail Bridge
DESIGNTrout Run Trail Bridge
ASCE Structural Engineering Conference Presentation
November 4, 2013
