The sliding operation of the flyover in the Cap-de-la-Madeleine sector, in Trois-Rivières, will be carried out entirely overnight from Friday to Saturday.
Since the first tests were not conclusive, the method of work had to be completely changed.
Thus, the 430-tonne 25-meter chassis will be transported to its final location, supported by metal enclosures on two durable hydraulic self-propelled trailers, each with 14 axles and 112 wheels.
“We see that the lifting equipment is mounted on containers on which there are carriage beams and various pieces of wood resting under each of the deck beams. Next, this equipment is driven on wheels. The lift is done from the axles, 14 axles per trailer, and we move towards its position 20 or 25 km away. meters from its current location,” explained Anne-Sophie Richard, Project Manager for Transports Québec.
One night would be enough to erect the bridge.
This is the second time in Quebec that we have resorted to this way of doing things, the aim of which is to reduce the impact of the construction site on car traffic.
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