The effect of using polypropylene fibers on the durability and fire resistance of concrete

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Published Sep 25, 2021
DOI https://doi.org/10.3221/IGF-ESIS.58.22

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Hassan Suiffi
Control and Mechanical Characterization of Materials and Structure Laboratory (LCCMMS); National Higher School of Electricity and Mechanics, BP 8118 Oasis, Hassan II, Casablanca, Morocco
Anas El Maliki
Control and Mechanical Characterization of Materials and Structure Laboratory (LCCMMS); National Higher School of Electricity and Mechanics, BP 8118 Oasis, Hassan II, Casablanca, Morocco
Fatima Majid
Laboratory of Nuclear, Atomic, Molecular, Mechanical and Energetic Physics, FSJ, University Chouaib Doukkali, El Jadida, Morocco
Omar Cherkaoui
Laboratory on textile materials REMTEX, ESITH, Higher School of Textile and Clothing Industries Casablanca

Abstract

In order to study the effect of polypropylene fibers on the durability of cementitious composites, several experimental tests have been carried out in the laboratory. The composite was tested with different volume fractions of polypropylene fibers (0.05%, 0.10%, 0.30% and 0.50%). All the results relating to the indicators (porosity accessible to water εb, to the oxygen permeability Kapp.gas and diffusivity Dns) indicate that the addition of polypropylene fibers in a cement matrix represents only a small effect on durability. This panel of general sustainability indicators can be supplemented by indicators more specific to each degradation process identified or envisaged depending on the environmental conditions of the structure. However, the addition of the volume fraction of polypropylene fibers (0.50%) in a cementitious composite, increases fire resistance. Such behavior gives fiber composites interesting properties which favor their use in structures exposed to fire risks.

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    Issue
    Vol. 15 No. 58 (2021): October 2021
    Section
    Structural Integrity and Durability of Structures

    How to Cite

    Suiffi, H., El Maliki, A. ., Majid, F., & Cherkaoui, O. (2021). The effect of using polypropylene fibers on the durability and fire resistance of concrete. Frattura Ed Integrità Strutturale, 15(58), 296–307. https://doi.org/10.3221/IGF-ESIS.58.22
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