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Sustainable Retrofitting Solutions: Evaluating the Performance of Jute Fiber Nets and Composite Mortar in Natural Fiber Textile Reinforced Mortars

Author

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  • Arnas Majumder

    (Department of Civil Engineering, University of Salerno, Via Giovanni Paolo II n.132, 84084 Fisciano, Italy
    Department of Electrical and Electronic Engineering, University of Cagliari, Via Marengo 2, 09123 Cagliari, Italy)

  • Flavio Stochino

    (Department of Civil Environmental Engineering and Architecture, University of Cagliari, Via Marengo 2, 09123 Cagliari, Italy)

  • Andrea Frattolillo

    (Department of Civil Environmental Engineering and Architecture, University of Cagliari, Via Marengo 2, 09123 Cagliari, Italy)

  • Monica Valdes

    (Department of Civil Environmental Engineering and Architecture, University of Cagliari, Via Marengo 2, 09123 Cagliari, Italy)

  • Gianluca Gatto

    (Department of Electrical and Electronic Engineering, University of Cagliari, Via Marengo 2, 09123 Cagliari, Italy)

  • Enzo Martinelli

    (Department of Civil Engineering, University of Salerno, Via Giovanni Paolo II n.132, 84084 Fisciano, Italy)

Abstract

Sustainable building materials for integrated (structural and thermal) retrofitting are the need of the hour to retrofit/upgrade the seismic vulnerable and ill-insulated existing building stocks. At the same time, the use of natural fibers and their recyclability could help construct safer and more sustainable buildings. This paper presents three aspects of jute fiber products: (1) the evaluation of the mechanical performance of the jute nets (2.5 cm × 2.5 cm and 2.5 cm and 1.25 cm mesh configurations) through tensile strength tests (with the aim for these to be used in upgrading masonry wall with natural fiber textile reinforced mortars (NFTRM) systems); (2) the hundred percentage recyclability of left-over jute fibers (collected during the net fabrication and failed nets post-tensile strength tests) for the composite mortar preparation; (3) and the evaluation of insulation capacity of the recycled jute net fiber composite mortar (RJNFCM) through thermal conductivity (TC) measurements, when a maximum amount of 12.5% of recycled jute fiber could be added in the mortar mixture at laboratory conditions and with available instruments Notably, when more than the said amount was used, the fiber–mortar bonding was found to be not optimal for the composite mortar preparation. These studies have been carried out considering these products’ applicability for integrated retrofitting purposes. It has been found that the denser mesh configuration (2.5 cm × 1.25 cm) is 35.80% stiffer than the other net configurations (2.5 cm × 2.5 cm). Also, the mesh configuration (2.5 cm × 1.25 cm) shows about 60% more capability to absorb strain energy. TC tests have demonstrated the moderate insulation capacity of these composite mortar samples, and the TC values obtained from the tests range from 0.110 (W/mK) to 0.121 (W/mK).

Suggested Citation

  • Arnas Majumder & Flavio Stochino & Andrea Frattolillo & Monica Valdes & Gianluca Gatto & Enzo Martinelli, 2024. "Sustainable Retrofitting Solutions: Evaluating the Performance of Jute Fiber Nets and Composite Mortar in Natural Fiber Textile Reinforced Mortars," Sustainability, MDPI, vol. 16(3), pages 1-18, January.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:3:p:1175-:d:1329796
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    References listed on IDEAS

    as
    1. Aref A. Abadel & Mohammed Salah Nasr & Ali Shubbar & Tameem Mohammed Hashim & Rabin Tuladhar, 2023. "Potential Use of Rendering Mortar Waste Powder as a Cement Replacement Material: Fresh, Mechanical, Durability and Microstructural Properties," Sustainability, MDPI, vol. 15(15), pages 1-19, July.
    2. Vincent P. Pilien & Michael Angelo B. Promentilla & Julius L. Leaño & Andres Winston C. Oreta & Jason Maximino C. Ongpeng, 2023. "Confinement of Concrete Using Banana Geotextile-Reinforced Geopolymer Mortar," Sustainability, MDPI, vol. 15(7), pages 1-22, March.
    3. Rosanna Leone & Adriana Calà & Marinélia N. Capela & Simona Colajanni & Tiziana Campisi & Manfredi Saeli, 2023. "Recycling Mussel Shells as Secondary Sources in Green Construction Materials: A Preliminary Assessment," Sustainability, MDPI, vol. 15(4), pages 1-17, February.
    4. Rafael A. Robayo-Salazar & William Valencia-Saavedra & Ruby Mejía de Gutiérrez, 2020. "Construction and Demolition Waste (CDW) Recycling—As Both Binder and Aggregates—In Alkali-Activated Materials: A Novel Re-Use Concept," Sustainability, MDPI, vol. 12(14), pages 1-18, July.
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