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Carpet waste makes concrete crack-proof, boosts strength by 40% — Aussie engineers | The new technique significantly reduced early-age concrete cracking by up to 30%.
RMIT University in Australia has discovered this new way to turn waste carpet fibers into a key component for crack-resistant concrete.
“Scrap carpet fibers can be used to increase concrete’s strength by 40% in tension and prevent early cracking, by reducing shrinkage substantially,” said Chamila Gunasekara, the lead researcher. “Cracking in early-age concrete slabs is a long-standing challenge in construction projects that can cause premature corrosion, not only making a building look bad but also risking its structural integrity and safety,” Gunasekara added. “Up to 70% of textile waste would be suitable for conversion into usable fibers, presenting an opportunity in the materials supply chain,” said Houshyar in the press release.
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