High strength phase change material-incorporated recycled concrete for building applications

Research output: Chapter in Book / Conference PaperChapterpeer-review

Abstract

Concrete demolition waste could serve as a valuable source of aggregates for new structural concrete. However, the inferior physical properties of recycled concrete (RC) aggregate limit its application. This study explores the enhancement of RC aggregate through carbonation by impregnating phase change material (PCM) into porous RC aggregate subsequently injecting CO2 gas. We investigate the effects of calcium carbonate (CaCO3) and PCM on the strength development of RC aggregate concrete. The results demonstrate that concrete produced with CaCO3 enhanced PCM-RC (CPCM-RC) aggregate exhibits strength comparable to conventional concrete, making it a viable option for sustainable construction practices. The CPCM-RC aggregate shows improved physical properties and higher thermal mass than conventional concrete, promoting energy-efficient building applications. Replacing virgin aggregates with CPCM-RC aggregate could position concrete as a sustainable material in the construction industry.

Original languageEnglish
Title of host publicationCreating Capacity and Capability: Embracing Advanced Technologies and Innovations for Sustainable Future in Building Education and Practice, Resilience and Sustainability in Building and Construction, Volume II
EditorsMonty Sutrisna, Mostafa Babaeian Jelodar, Niluka Domingo, An Le, Ravindu Kahandawa
Place of PublicationSingapore
PublisherSpringer
Pages15-22
Number of pages8
ISBN (Electronic)9789819629046
ISBN (Print)9789819629039
DOIs
Publication statusPublished - 2025
EventAustralasian Universities Building Education Association Conference - Auckland, New Zealand
Duration: 26 Nov 202328 Nov 2023
Conference number: 46th

Publication series

NameLecture Notes in Civil Engineering
Volume563
ISSN (Print)2366-2557
ISSN (Electronic)2366-2565

Conference

ConferenceAustralasian Universities Building Education Association Conference
Abbreviated titleAUBEA
Country/TerritoryNew Zealand
CityAuckland
Period26/11/2328/11/23

Keywords

  • Building applications
  • High strength
  • Phase change material
  • Sustainable concrete
  • Waste recycling

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