A special truck creates tunnels with openings in a few minutes!

by Shirley Marie Bradby

March 10, 2016

A special truck creates tunnels with openings in a few minutes!
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Lock-Block Ltd., a Canadian concrete manufacturer, has invented a new way to build tunnels in the blink of an eye, without using mortar. Everything is based on a truck carrying a tunnel-like structure with numerous rollers on which concrete blocks are strategically placed against each other allowing the weight and pressure of each block to function as mortar keeping each block securely in place as the truck "parades" slowly leaving the arch intact above it. A magnificent example of advanced engineering!

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