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Strengthening of Masonry Structures by Sisal-Reinforced Geopolymers

Author

Listed:
  • Luigi Palizzolo

    (Department of Engineering, University of Palermo, Viale delle Scienze, Bd 8, 90128 Palermo, Italy)

  • Carmelo Sanfilippo

    (Department of Engineering, University of Palermo, Viale delle Scienze, Bd 8, 90128 Palermo, Italy)

  • Sana Ullah

    (Department of Engineering, University of Palermo, Viale delle Scienze, Bd 8, 90128 Palermo, Italy)

  • Salvatore Benfratello

    (Department of Engineering, University of Palermo, Viale delle Scienze, Bd 8, 90128 Palermo, Italy)

Abstract

The development of alternative environmentally friendly and sustainable materials in the construction industry has become a fundamental area of research. The current cementitious materials used in existing retrofitting techniques for masonry structures are unsustainable from an environmental point of view. The geopolymer, as a suitable alternative to ordinary Portland cement (OPC), has attracted interest in the last 20 years due to its environmental sustainability and improved properties compared to conventional concrete. To improve the ductile behavior of geopolymers, the adoption of fibers has been widely proposed in the scientific literature for a broad range of applications. The adoption of natural fibers can make geopolymers more advantageous based on their intrinsic environmental sustainability. The aim of this paper is to validate the performance of sisal fiber-reinforced geopolymer plaster as a strengthening material for masonry structures, which will be achieved by modeling the mechanical behavior of geopolymer samples in two different phases. The first phase accounts for the experimental results suitably obtained in the laboratory, while the second phase models the behavior of a masonry panel reinforced with geopolymer plaster using a suitable FEM model in Abaqus.

Suggested Citation

  • Luigi Palizzolo & Carmelo Sanfilippo & Sana Ullah & Salvatore Benfratello, 2024. "Strengthening of Masonry Structures by Sisal-Reinforced Geopolymers," Sustainability, MDPI, vol. 16(21), pages 1-17, October.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:21:p:9181-:d:1504511
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    References listed on IDEAS

    as
    1. 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.
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