Carpet waste makes concrete crack-proof, boosts strength by 40% — Aussie engineers

Thu, 5 Dec 2024 03:41:55 +1100

Andrew Pam <xanni [at] glasswings.com.au>

Andrew Pam
<https://interestingengineering.com/innovation/carpet-waste-makes-concrete-crack-proof>

"Researchers have made stronger, more durable concrete using a surprising
ingredient: scrap carpet fibers.

RMIT University in Australia has discovered this new way to turn waste carpet
fibers into a key component for crack-resistant concrete.

Australia spends a hefty A$8 billion annually to fix cracked concrete
structures. Meanwhile, the US spends a whopping US$76 billion annually on
concrete repairs.

This highlights the need for innovative solutions to prevent and repair these
cracks, which can weaken structures and compromise safety.

“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."

Cheers,
       *** Xanni ***
--
mailto:xanni@xanadu.net               Andrew Pam
http://xanadu.com.au/                 Chief Scientist, Xanadu
https://glasswings.com.au/            Partner, Glass Wings
https://sericyb.com.au/               Manager, Serious Cybernetics

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