On-Site Magazine

Innovative Montreal bridge project wins ACI award

By Rob Blackstien   

Bridges Green Construction

Darwin Bridges is the first to use recycled glass as a construction material.

Image courtesy: Ville de Montréal

The American Concrete Institute honoured an innovative Montreal project at its annual Excellence in Concrete construction awards.

The Darwin Bridges — the world’s first bridge project to use recycled glass as a construction material — took home first place in the Infrastructure category.

This project involves replacing the two bridges on Nuns’ Island that allow pedestrians and cyclists to cross under the boulevard’s four lanes to enter West Vancouver Park.

Headed by general contractor Tisseur Inc., the project consists of 37-metre long reinforced cast-in-place concrete bridges. By replacing 10 per cent of the ternary binder with glass powder concrete, approximately 40,000 kg of cement was saved.



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