publication . Article . 2017

Recycled aggregates in concrete production: engineering properties and environmental impact

Seddik Meddah Mohammed;
Open Access
  • Published: 01 Jan 2017 Journal: MATEC Web of Conferences, volume 101, page 5,021 (eissn: 2261-236X, Copyright policy)
  • Publisher: EDP Sciences
Recycled concrete aggregate is considered as the most abundant and used secondary aggregate in concrete production, other types of solid waste are also being used in concrete for specific purposes and to achieve some desired properties. Recycled aggregates and particularly, recycled concrete aggregate substantially affect the properties and mix design of concrete both at fresh and hardened states since it is known by high porosity due to the adhered layer of old mortar on the aggregate which results in a high water absorption of the recycled secondary aggregate. This leads to lower density and strength, and other durability related properties. The use of most re...
free text keywords: Production engineering, Waste management, Porosity, Absorption of water, Durability, Municipal solid waste, Mix design, Environmental impact assessment, Materials science, Mortar, Engineering (General). Civil engineering (General), TA1-2040
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