Grapevine shoots for improving thermal properties of structural fired clay bricks: New method of agricultural-waste valorization

  1. Mendívil, M.A. 1
  2. Muñoz, P. 2
  3. Morales, M.P. 4
  4. Letelier, V. 3
  5. Juárez, M.C. 1
  1. 1 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  2. 2 Universidad Autónoma de Chile
    info

    Universidad Autónoma de Chile

    Temuco, Chile

    ROR https://ror.org/010r9dy59

  3. 3 Universidad de La Frontera
    info

    Universidad de La Frontera

    Temuco, Chile

    ROR https://ror.org/04v0snf24

  4. 4 Universidad Internacional de La Rioja
    info

    Universidad Internacional de La Rioja

    Logroño, España

    ROR https://ror.org/029gnnp81

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Zeitschrift:
Journal of Materials in Civil Engineering

ISSN: 0899-1561

Datum der Publikation: 2017

Ausgabe: 29

Nummer: 8

Art: Artikel

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DOI: 10.1061/(ASCE)MT.1943-5533.0001892 SCOPUS: 2-s2.0-85018961233 WoS: WOS:000400522100009 GOOGLE SCHOLAR

Andere Publikationen in: Journal of Materials in Civil Engineering

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Zusammenfassung

For decades the construction industry has been focused on developing new materials for minimizing environmental impact and improving the building insulation envelope. The use of certain wastes as additives for construction materials have been shown to be the best alternative. In particular, the fired clay brick industry has been highlighted as an optimal sector for incorporating such residues due to the large amount of mass flow and high temperatures involved in the manufacturing process. This paper assesses the feasibility of using wood chips from a pruned grapevine shoot as an additive for manufacturing fired clay bricks. Samples with different percentages of the additive were formed and tested. It is concluded that a maximum of 10% of wood chips can be added, which produces compressive strength values above 5 N/mm2. In spite of thermal conductivity being reduced up to 50%, water absorption is raised up to 30%. Thus, bricks must be coated to prevent masonry damage. © 2017 American Society of Civil Engineers.