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STRABAG UK and the University of East London (UEL) are collaborating on a £216,000 Innovate UK-funded Knowledge Transfer Partnership to develop a low-carbon grout for tunnelling. The 26-month project will replace traditional cement-heavy annulus grout with a sustainable alternative made from repurposed construction waste and biowaste from the sugar industry.

This innovation is expected to reduce embodied carbon by over 61%. The partnership leverages STRABAG UK's tunnelling expertise and UEL's advanced materials engineering. A dedicated KTP Associate will facilitate the translation of research into practical solutions, advancing circular economy principles in infrastructure.