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<p>The current rescarch paper presents three types of plaster reinforced through the addition of different materials such as paper, luffa sponge fibres mats and sand. Multiphysics tests as well as microscopic (SEM) and thermal analyses were conducted to examine the mechanical characteristics (compression and flexural strengths) and physical properties (water absorption coefficient and density) of the composite material. The experimental results revealed that themechanical and physical characteristics of the reinforced plaster were considerably optimized referring to the effective interaction between the reinforcements and the plaster matrix. Compared to the density of the pure plaster sample, that of the composite material was reduced to 683&#xa0;kg/m³, which made the generated material light weight and insulating owing to the decrease in the thermal conductivity as well as in the diffusivity by 55.55% and 50%, respectively. It was equally inferred that the compressive strength, flexural strength and water absorption coefficient of the composite increased up to 7.87&#xa0;MPa, 4.4&#xa0;MPa and (up to 92%), respectively. This study introduces a recycling solution of waste materials through converting them into effective interior insulation materials in order to be used in building applications.</p>

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Reinforcement of plaster composites with various waste materials for green applications: thermomechanical and physical performance evaluation

  • 期刊论文

  • 发表日期：

    2026年4月15日

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  • Khaled Kharrati,
  • Marwa Jebli,
  • Ridha Abdeljabar,
  • Madiha Salhi

摘要

The current rescarch paper presents three types of plaster reinforced through the addition of different materials such as paper, luffa sponge fibres mats and sand. Multiphysics tests as well as microscopic (SEM) and thermal analyses were conducted to examine the mechanical characteristics (compression and flexural strengths) and physical properties (water absorption coefficient and density) of the composite material. The experimental results revealed that themechanical and physical characteristics of the reinforced plaster were considerably optimized referring to the effective interaction between the reinforcements and the plaster matrix. Compared to the density of the pure plaster sample, that of the composite material was reduced to 683 kg/m³, which made the generated material light weight and insulating owing to the decrease in the thermal conductivity as well as in the diffusivity by 55.55% and 50%, respectively. It was equally inferred that the compressive strength, flexural strength and water absorption coefficient of the composite increased up to 7.87 MPa, 4.4 MPa and (up to 92%), respectively. This study introduces a recycling solution of waste materials through converting them into effective interior insulation materials in order to be used in building applications.