Contribution À L’étude Les Caractéristiques Thermiques Des Habitations En Terre (cas De Pisé) Renforcé Par Des Déchets De Palmier Dattier Dans Les Régions De La Wilaya D'ouargla

Résumé: The great Sahara of our country is characterized by a hot and dry climate in summer, cold and dry in winter. In these regions, reinforced concrete construction has shown its disappointment in ensuring a healthy and comfortable ambient climate in buildings. To improve thermal comfort in a building and save energy, it is necessary to use particularly high-performance materials, providing good thermal insulation in the home. This study is launched with the aim of developing local materials, such as earthen test pieces, in order to produce load-bearing walls with good thermal and mechanical properties to limit energy consumption and increase thermal comfort in the home. . The objective of this research is to prepare rammed earth test tubes and to examine these mechanical and thermal properties. We then produced some prototypes using these tested materials, their adobe walls and their earthen roof reinforced with waste date palms, which gave good thermal and mechanical properties in order to try to use them in the field of construction. We used the following materials (clay, dune sand, crushed sand and date palm waste), and we varied the clay percentages from 5% to 30%, and that of the fiber from 0% to 0.3 %, the percentage of dune sand is 20% and the gravel is 20% by dry mass. The results of these tests have shown that the percentage increase in clay is beneficial for improving thermal properties with acceptable mechanical strengths. We got it at 5h:00 p.m. and at 7h:00 am a very remarkable temperature difference compared to the control prototype in summer and winter. In the order of 10C ° in summer and 11C ° in winter respectively.

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