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Sustainable system for recycling returned concrete


Mapei SpA, Via Cafiero 22, 20158 Mailand, Italy

 


Returned concrete is the unused ready-mixed concrete that comes back to the plant in the concrete truck as excess material. Typically, the amount of waste concrete generated by ready-mixed deliveries can be as low as 0.4% to 0.5% of total production. However, during peak periods, when pressure for supply is greatest, the waste can increase to 5% to 9%. Considering that the estimated global concrete production is roughly 25 billion tonnes, over 125 million tonnes of returned concrete are globally generated every year. These data confirm that returned concrete is a heavy burden for the ready-mixed plants and sums to the other C&DW.

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Mapei SpA
Via Cafiero 22
20158 Milan, Italy
T +39 02 376731
F +39 02 37673214
mapei@mapei.it
www.mapei.com


CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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