Concrete is the second most used material after water in the world with 6 Billions of m3 produced every year. It represents 190 m3 every second.
40% of the produced concrete is used in accomodations. Otherwise, it is used in every infrastructures from bridges (Millau Viaduct) to skyscrapers' foundations (Burj Khalifa).
Volume of concrete (in m3) produced since you read this page
During a visit of La Cité Radieuse in Marseille, we noticed cracks in its infrastructure. So this icon of concrete by Le Corbusier is vulnerable ? Indeed, as every material, concrete undergoes an aging process, here it is carbonatation. Civil engineers would normally destroy the building to create a new one, a matter of ease. But how dare we thinking about destroying such a famous building ? We are adressing a real problem.
HOW CAN WE PRESERVE A REINFORCED CONCRETE INFRASTRUCTURE AND SLOW DOWN OR STOP ITS DEGRADATION ?
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