Freeze/thaw durability of concrete with recycled demolition aggregate compared to virgin aggregate concrete

Alan Richardson, Kathryn Coventry, Jennifer Bacon

Research output: Contribution to journalArticlepeer-review

104 Citations (Scopus)

Abstract

An increasing trend towards the use of sustainable processes has led to recycled materials being incorporated into concrete. It is generally recognised that crushed recycled construction aggregate material produces concrete of a lower compressive strength, when used as an aggregate replacement due to deleterious materials within the aggregate. It is generally accepted that in the UK, freeze/thaw attack is, after chloride-induced corrosion, the most common cause of concrete deterioration. This paper addresses the freeze/thaw durability of recycled aggregate concrete using a paired comparison test based upon weight loss and final compressive strength. Recycled aggregate concretewas found to be of at least equal durability to concretemanufactured with virgin aggregates. This was due to careful selection of the replacement aggregate and treatment prior to batching. Durability is an important material property and recycled aggregates need to be widely tested to gain confidence for use within the industry and this work shows future possibilities.
Original languageEnglish
Pages (from-to)272-277
JournalJournal of Cleaner Production
Volume19
Issue number2-3
DOIs
Publication statusPublished - 2011

Fingerprint

Dive into the research topics of 'Freeze/thaw durability of concrete with recycled demolition aggregate compared to virgin aggregate concrete'. Together they form a unique fingerprint.

Cite this