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Title: Incorporating Recycled and Crushed-Concrete Aggregates in Structural Concrete

Author(s): Kenneth C. Hover, Terence C. Holland, and Colin L. Lobo

Publication: Concrete International

Volume: 42

Issue: 7

Appears on pages(s): 26-31

Keywords: properties, durability, requirements, performance

Date: 7/1/2020

For economic and environmental reasons, it is increasingly desirable to augment the supply of natural aggregates for concrete production with recycled aggregates derived from crushed hardened concrete or from returned concrete. This article introduces new provisions in ACI 318-19 that set requirements for the use of recycled aggregates in concrete.


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