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Research article - Peer-reviewed, 2021

Recycling sawmilling wood chips, biomass combustion residues, and tyre fibres into cement-bonded composites: Properties of composites and life cycle analysis

Amiandamhen, Stephen Osakue; Adamopoulos, Stergios; Adl-Zarrabi, Bijan; Yin, Haiyan; Norén, Joakim


This study investigated the properties and sustainability of cement-bonded composites containing industrial residues such as wood chips, tyre fibres and biomass combustion residues, i.e. bottom ash (BA) and fly ash (FA). The effect of cement-to-raw material (wood/tyre fibre) ratio (C/RM) and the aggregate content (BA and FA) on thermal and mechanical properties of the composites were investigated. Scanning electron microscopy (SEM) and life cycle analysis (LCA) were also conducted. The results revealed that as the aggregate content increased in wood composites, the mechanical properties also increased. The mean thermal conductivity and volumetric heat capacity of tyre composite samples were 0.37 W/mK and 1.2 MJ/m3K respectively, while the respective values for wood composite samples were 0.29 W/mK and 0.81 MJ/m3K. SEM analysis showed adequate bonding between wood/tyre fibres and cement matrix. LCA revealed that the materials share of the total primary energy use was about 60% for all analysed composites.


Bottom ash; Cement construction products; Fly ash; LCA; SEM; Thermal conductivity

Published in

Construction and Building Materials
2021, volume: 297, article number: 123781

Authors' information

Amiandamhen, Stephen Osakue
Linnaeus University
Swedish University of Agricultural Sciences, Department of Forest Biomaterials and Technology
Adl-Zarrabi, Bijan
Chalmers University of Technology
Yin, Haiyan
RISE Research Institutes of Sweden
Norén, Joakim
RISE Research Institutes of Sweden

Sustainable Development Goals

SDG12 Ensure sustainable consumption and production patterns

UKÄ Subject classification

Wood Science

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