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Biochar-Added Cementitious Materials—A Review on Mechanical, Thermal, and Environmental Properties
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0003-4720-5380
Department of Mechanical Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai 602105, Tamil Nadu, India.
Department of Mechanical Engineering, Adishankara Institute of Engineering and Technology, Kalady Kerala 683574, India.
Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway.
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2021 (English)In: Sustainability, E-ISSN 2071-1050, Vol. 13, no 16, article id 9336Article, review/survey (Refereed) Published
Abstract [en]

The enhanced carbon footprint of the construction sector has created the need for CO2 emission control and mitigation. CO2 emissions in the construction sector are influenced by a variety of factors, including raw material preparation, cement production, and, most notably, the construction process. Thus, using biobased constituents in cement could reduce CO2 emissions. However, biobased constituents can degrade and have a negative impact on cement performance. Recently, carbonised biomass known as biochar has been found to be an effective partial replacement for cement. Various studies have reported improved mechanical strength and thermal properties with the inclusion of biochar in concrete. To comprehend the properties of biochar-added cementitious materials, the properties of biochar and their effect on concrete need to be examined. This review provides a critical examination of the mechanical and thermal properties of biochar and biochar-added cementitious materials. The study also covers biochar’s life cycle assessment and economic benefits. Overall, the purpose of this review article is to provide a means for researchers in the relevant field to gain a deeper understanding of the innate properties of biochar imparted into biochar-added cementitious materials for property enhancement and reduction of CO2 emissions.

Place, publisher, year, edition, pages
MDPI, 2021. Vol. 13, no 16, article id 9336
Keywords [en]
biochar, concrete, mechanical properties, thermal properties, life cycle assessment
National Category
Building Technologies
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-86986DOI: 10.3390/su13169336ISI: 000689898800001Scopus ID: 2-s2.0-85113775478OAI: oai:DiVA.org:ltu-86986DiVA, id: diva2:1591319
Note

Validerad;2021;Nivå 2;2021-09-24 (alebob)

Available from: 2021-09-06 Created: 2021-09-06 Last updated: 2023-09-05Bibliographically approved

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Mensah, Rhoda AfriyieUlfberg, AdrianBlanksvärd, ThomasFörsth, MichaelSas, GabrielSas, DariaDas, Oisik

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