Utilising fine and coarse recycled aggregates from the Gulf Region in concrete

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This paper explores the feasibility in utilising materials generated from C&DW to produce a 'green' concrete. The two materials that are considered here are, (i) up-sizing silt-size material generated from recycled aggregates to produce a synthetic silt-sand and (ii) processed recycled coarse aggregates (RA) sourced from a Gulf Region landfill site. The work has demonstrated that there is potential for utilising silt wastes into foamed concrete, which can then be crushed to a sand-sized material suitable for use in concrete, however the porous nature of the material has highlighted that the water demand of this RA is high. RAs were characterised to BS EN 12620 and found suitable for use in concrete. The effect of RA on concrete properties is minimal when used up to 35% replacement levels, provided that they are pre-soaked.

Original languageEnglish
Title of host publicationProceedings of the TMS Middle East - Mediterranean Materials Congress on Energy and Infrastructure Systems, (MEMA 2015)
EditorsIbrahim Karaman, Raymundo Arroyave, Eyad Masad
Place of PublicationHoboken, N.J.
PublisherWiley
Pages13-23
Number of pages11
ISBN (Print)9781119065272
DOIs
Publication statusPublished - Jan 2015
EventTMS Middle East - Mediterranean Materials Congress on Energy and Infrastructure Systems, MEMA 2015 - Doha, Qatar
Duration: 11 Jan 201514 Jan 2015
http://www.tms.org/meetings/2015/mema2015/home.aspx

Conference

ConferenceTMS Middle East - Mediterranean Materials Congress on Energy and Infrastructure Systems, MEMA 2015
Country/TerritoryQatar
CityDoha
Period11/01/1514/01/15
Internet address

Keywords

  • Concrete
  • Recycled coarse aggregates
  • Synthetic sand

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • General Materials Science
  • Mechanics of Materials
  • Building and Construction

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