A form of pavement capable of instantly allowing huge amounts of water to seep inside is now being offered in Bangladesh by German chemical company BASF. “Elastopave” uses specific mixes and layers of rock, stone and gravel with polyurethane to yield a strong, water- and air-permeable surface having many interconnected voids and a high degree of porosity, the company said. Given suitably absorbent ground, rainwater can percolate effectively and replenish aquifers, it adds. Waterlogging during monsoons is a nagging problem in urban life. Most canals in the country’s major cities have been grabbed by encroachers or are clogged with solid waste, for which rain of even short periods of time leads to whole areas being submerged. Launched in the global market in 2016, Elastopave does not use sand and cement, BASF Bangladesh’s Chairman and Managing Director Md Sazzadul Hassan told The Daily Star.
https://www.thedailystar.net/business/news/basf-offers-tech-fight-waterlogging-1803505