News tagged with concrete road

Why things fall apart

Chunks of concrete tumble from the Gardiner Expressway, the Algo Centre Mall collapses in Elliot Lake, shards of glass fall from Toronto condos, and a Radiohead stage gives way at Downsview Park.

Aug 24, 2012 3.6 / 5 (5) 7 | with audio podcast

Tracking down rust

(PhysOrg.com) -- Damage to concrete bridges caused by rust can have fatal consequences, at worst leading to a total collapse. Now, researchers have developed an early-warning system for rust. Sensor-transponders ...

Apr 05, 2010 4 / 5 (1) 0

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C2D2 fighting corrosion

Bridges become an infrastructure problem as they get older, as de-icing salt and carbon dioxide gradually destroy the reinforced concrete. A new robot can now check the condition of these structures, even ...

Aug 22, 2014 4 / 5 (1) 0

Guarding against 'Carmageddon' cyberattacks

The potential value of turning the nation's freeways into "smart transportation systems" is enormous. Equipping the nation's concrete arteries with a nervous system of computers and sensors that directly control on-ramp signals ...

Jun 11, 2014 5 / 5 (1) 0

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