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The journal of RESM is open to proposals for special issues on emerging related topics. More info is here.

Research Article

Effect of calcined clay on the properties of cementitious mortar reinforcedby Posidonia Fiber

Nawel Salem1,2

1Civil Eng. Dept., National School of Engineers of Gabes, University of Gabes, Gabes-Tunisia

2Laboratory of Civil Eng., National School of Engineers of Tunis, University of Tunis El Manar, Tunisia



Posidonia-oceanica fibers;

Calcined clay;

Physical properties;

Hygroscopic properties;

Rheological properties;

Mechanical properties

Posidonia fiber has a negative visual impact on tourism and produces bad odors due to the decomposition of microorganisms. Thus, its recovery for waste recycling and other sustainable uses is encouraged. In this context, the objective of this work was to study the influence of calcined clay as a mineral coating for fibers and the surface treatments (hydro-thermal by water boiling and chemical treatment by NaOH) on the durability of Posidonia fiber and to evaluate their effect on the physical and hygroscopic properties, rheological, mechanical and micro-structural performances, and chemical attack of cementitious mortars with supplementary materials. An experimental study was carried out by varying volume ratios (5%, 12.5%, and 20%). The effects of these treatments on the physical, thermal and morphology properties of the fibers were determined. The water absorption of mortar reinforced by fibers coated with calcined clay decreased compared to composite reinforced by fibers treated without coating. The calcined clay makes the fibers relatively less hydrophilic. According to the various mechanical tests, adding treated Posidonia fibers in a pozzolanic matrix improves the composite properties.

© 2023 MIM Research Group. All rights reserved.


20/04/2024 Collaboration for HSTD-2024Editorial Board of our journal and Organizing Committee of the III. International Conference on High-Speed Transport Development (HSTD) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.

20/04/2024 Collaboration for DSL2024-SS1Editorial Board of our journal and Organizing Committee of the DSL2024 Fluid Flow, Energy Transfer & Design (SS1) have agreed to collaborate. Extended versions of the selected papers from the session will be published in our journal. For more see Events. .

8/12/2023 Special Issue: Embark on a journey of innovation with the journal of Research on Engineering Structures and Materials as we unveil a compelling opportunity for contributors in our upcoming special issue, "Design, Analysis, and Manufacturing of Composite Vehicle Structures." Led by distinguished Guest Editors Liubov Gavva and Oleg Mitrofanov from Moscow Aviation Institute. For more info see the link.

(More details of the news may be given in the News section)

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2023 Reviewer Awards:

Please, visit Reviewer Awards section for the winners of the 2022 RESM reviewer awards.

2023 Best Paper Award:

The paper authored by Ferzan Fidan, Naim Aslan, Mümin Mehmet Koç entitled as “Morpho-structural and compressive mechanical properties of graphene oxide reinforced hydroxyapatite scaffolds for bone tissue applications” is awarded.

2023 Most Cited Paper Award:

The paper authored by Ercan Işık, Ehsan Harirchian, Hüseyin Bilgin, Kirti Jadhav entitled as “The effect of material strength and discontinuity in RC structures according to different site-specific design spectra" is awarded.


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