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Utilisation of construction, demolition and excavation waste for the production of compressed trommel fines blocks

Muhammad Ali, Jack Andrew Cottrell*, Gary Lee Etienne

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

This paper investigates the reuse of trommel fines generated from construction, demolition and excavation waste to produce Compressed Trommel Fines Blocks (CTFBs). Four mix designs investigated the influence of 0 – 15% cement stabilisation on the mechanical properties, durability characteristics and chemical composition of CTFBs. The compressive and flexural strength ranged from 1.49 - 10.1 MPa and 0.23 - 1.82 MPa respectively, with the highest values achieved at 15% cement content. The incorporation of 10 – 15% cement was found to significantly improve the durability of CTFBs. Chemical analyses provided evidence of cement hydration and gave insight into leaching behaviour of potentially toxic elements.
Original languageEnglish
Article number134985
Number of pages11
JournalConstruction and Building Materials
Volume416
Early online date31 Jan 2024
DOIs
Publication statusPublished - 16 Feb 2024

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being
  2. SDG 6 - Clean Water and Sanitation
    SDG 6 Clean Water and Sanitation
  3. SDG 8 - Decent Work and Economic Growth
    SDG 8 Decent Work and Economic Growth
  4. SDG 9 - Industry, Innovation, and Infrastructure
    SDG 9 Industry, Innovation, and Infrastructure
  5. SDG 11 - Sustainable Cities and Communities
    SDG 11 Sustainable Cities and Communities
  6. SDG 12 - Responsible Consumption and Production
    SDG 12 Responsible Consumption and Production
  7. SDG 13 - Climate Action
    SDG 13 Climate Action
  8. SDG 15 - Life on Land
    SDG 15 Life on Land

Keywords

  • Construction, Demolition and Excavation
  • Waste
  • Compressed Trommel Fines Blocks
  • Mechanical, Durability and Chemical Testing
  • Environmental Weathering Test
  • Landfill
  • Circular Economy

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