Customer Project: Bow River Pedestrian Bridge in Banff, Canada

This slender timber pedestrian bridge was constructed over the Bow River in Banff. The town of Banff is Canada’s first national park located in the beautiful Canadian Rockies. At 13 ft wide and 38 ft long, the bridge is complete with an 263 ft clear span which is perhaps the longest of its kind for a timber bridge.

The structural and dynamic analysis was performed in RFEM by the Dlubal customer StructureCraft Builders Inc. located in Abbotsford, Canada.

Two 13 ft tapered haunch girders cantilever from either side to support a 112 ft suspended span. The bridge deck cross-section consists of twinned glulam girders. The girders are stepped to follow the flow of forces and range in depth from 8 ft 6 in at the piers to 2 ft 11 in at the suspended span. The horizontal truss bracing includes rectangular steel hollow sections arranged between the longitudinal girders.

Removable prestressed timber panels make up the 13 ft wide deck to provide access to the service pipes hidden below. A visually minimal stainless cable guardrail system involving 443 ft long continuous cables required fine-tuned pretension analysis to ensure adequate tension in the summer and avoid over-tension in the winter.

Investor:
Town of Banff, Canada | banff.ca

Design-Build, General Contractor:
StructureCraft Builders Inc., Canada | http://bit.ly/31A7v5T

More information:
http://bit.ly/2Xs2DS1

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