Building out of Concrete, but Without Pouring Concrete.EPFL researchers have built a footbridge prototype using reinforced-concrete blocks from walls of a building being renovated. The blocks were cut into individual pieces on site and assembled into a prestressed arch. This project, which marks the first time concrete has been reused in this way, is part of an initiative to substantially shrink the construction industry’s carbon footprint by adopting a circular economy approach. The footbridge was inaugurated at a ceremony at the Smart Living Lab in Fribourg on 11 October.
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