Experimental Study on the Effect of Date Palm Powder on the Thermal and Physico-Mechanical Properties of Gypsum Mortars

Mohamed Aymen Kethiri (), Noureddine Belghar, Mourad Chikhi, Yousra Boutera, Charafeddine Beldjani and Cristina Tedeschi ()
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Mohamed Aymen Kethiri: Laboratoire de Génie Energétique et Matériaux, LGEM, University Mohamed Khider of Biskra, Biskra 07000, Algeria
Noureddine Belghar: Laboratoire de Génie Energétique et Matériaux, LGEM, University Mohamed Khider of Biskra, Biskra 07000, Algeria
Mourad Chikhi: Unité de Développement des Equipements Solaires, UDES/EPST CDER, Bou-Ismail 42415, Algeria
Yousra Boutera: Laboratoire de Génie Mécanique, LGM, University Mohamed Khider of Biskra, Biskra 07000, Algeria
Charafeddine Beldjani: Laboratoire de Génie Energétique et Matériaux, LGEM, University Mohamed Khider of Biskra, Biskra 07000, Algeria
Cristina Tedeschi: Dipartimento di Ingegneria Civile e Ambientale, Politecnico di Milano, 20133 Milan, Italy

Sustainability, 2024, vol. 16, issue 7, 1-15

Abstract: Date palm leaves have been diachronically applied in building materials in the Middle East and North Africa (MENA) region, so as to enhance specific properties, such as volume stability and strength. This research work concerns an experimental study on the impact of date palm leaflet powder (DPLP) on the thermal and physico-mechanical properties of gypsum mortars. A series of mortar compositions were prepared with different proportions of DPLP (0, 1, 3, and 5% w / w of binder) and variant particle size (0.5, 1, and 1.5 mm). The results showed that the mortars containing DPLP exhibited significant changes in their properties due to variations in DPLP concentration and particle size. Increased DPLP led to lower density, higher porosity, and water absorption rate, whereas mechanical strength and thermal conductivity were decreased according to the DPLP proportion and size. This research provides valuable insights into the use of sustainable and renewable building materials, highlighting the benefits of exploiting agricultural waste in the constructional sector. The findings lay the groundwork for future research and innovation in environmentally friendly construction technologies.

Keywords: date palm; gypsum; mortar; thermal; physico-mechanical properties (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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