A special kind of permeable concrete system to prevent floods

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This is neat. There’s a special kind of concrete called Topmix Permeable that acts like a giant sponge to soak up as much as 880 gallons of water per minute. The material permits water to drain through the voids to prevent the puddles you’d see created on ordinary concrete.

It seems like a practicable solution to prevent urban flooding and cars from hydroplaning on the highway.

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