Eco-efficient preplaced recycled aggregate concrete incorporating recycled tyre waste

SA Alfayez, T Omar, ML Nehdi - Proceedings of the Institution of …, 2019 - icevirtuallibrary.com
This experimental study explores the development of highly eco-efficient concrete. This
concrete incorporates 50% higher coarse aggregate content compared with normal
concrete, thus reducing cement demand, and its granular skeleton is entirely recycled.
Moreover, it adopts a unique energy-efficient placement technique whereby the granular
skeleton is first preplaced in the form and then injected with a flowing grout, which
considerably reduces the energy of mixing and placement. Various mixtures incorporating …

Eco-efficient preplaced recycled aggregate concrete incorporating recycled tire waste rubber granules and steel wire fibre reinforcement

SA Alfayez - 2018 - search.proquest.com
With increasing world population and urbanization, the depletion of natural resources and
generation of waste materials is becoming a considerable challenge. As the number of
humans has exceeded 7 billion people, there are about 1.1 billion vehicles on the road, with
1.7 billion new tires produced and over 1 billion waste tires generated each year. In the
USA, it was estimated in 2011 that 10% of scrap tires was being recycled into new products,
and over 50% is being used for energy recovery, while the rest is being discarded into …
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