Porous concrete helps prevent flooding

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Concrete can be a burden during heavy rainfall. Runoff from the normally impervious material puts pressure on drainage systems, leading to flooding and ice hazards as well as environmental concerns. UK-based Lafarge Tarmac has developed a porous concrete that aims to solve these issues. Concrete runoff is a major source of localized flooding in urban areas, and pooling water in low temperatures increases the risk of ice patches. Topmix Permeable, however, allows rain water to drain straight through to the underlying water table, easing the burden on existing water drainage systems. This is due to an increased amount of void…

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