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10010504
Valorization of the Algerian Plaster and Dune Sand in the Building Sector
Abstract:
The need for thermal comfort of buildings, with the aim of saving energy, has always generated a big interest during the development of methods, to improve the mode of construction. In the present paper, which is concerned by the valorization of locally abundant materials, mixtures of plaster and dune sand have been studied. To point out the thermal performances of these mixtures, a comparative study has been established between this product and the two materials most commonly used in construction, the concrete and hollow brick. The results showed that optimal mixture is made with 1/3 plaster and 2/3 dune sand. This mortar achieved significant increases in the mechanical strengths, which allow it to be used as a carrier element for buildings, of up to two levels. The element obtained offers an acceptable thermal insulation, with a decrease the outer-wall construction thickness.
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References:

[1] J. Astrano. L. Bessadi. E. Johanson. S. Laid. H. Teggour and T. Toumi. « Matériaux thermiquement isolants - béton mousse, panneau en laine de bois- » Centre National d’Etudes et de Recherches Intégrés au Bâtiments (Algérie) et Centre d’études de l’Habitat LUND (Suède). Edition Lund ofset AB 1993.
[2] J.Y. Palheire « Confort thermique », http://www.acamiens.fr/ academie/pedagogie/ Seconddegreprofessionnel/sti/Batiment/Confort-thermique/THERM0.html/ Fevrier 2003.
[3] S. Dorbani, F. Kharchi, F. Salem, K. Arroudj, N. Chioukh: "Influence of the Addition of Sand and Compaction on the Mechanical and Thermal Performances of Plaster" September 2011, Engineering journal; Scientific research.
[4] S. Dorbani, “Contribution for Improvement of Mechanical and Thermal Performance of a Gypsum Mortar,” Magister Thesis, University of Science and Technology Houari Boumediene, Algiers, 2004.
[5] International Standardization Organization, “Plaster: Determining of the Mechanical Characteristics,” ISO DIS 3051.
[6] Algerian Standards, “Plaster: Determining of the wet performances” NA 526
[7] Algerian Standards, “Plaster: Determining of the Mechanical Characteristics,” NA 527.
[8] B. Meddah and K. Meddah, “Contribution to the Study of Gypsum-Improved of Mechanical and Physical Characteristics by Compaction,” Engineering Thesis, Institute of Civil Engineering, University of Science and Technology Houari Boumediene, Algiers, 1993.
[9] C.E.B.T.P, “Manufacture and Use of Gypsum Cooked by Drying,” Plan de Construction REXCOOP, Paris, 1984.
[10] A. Acceta, N. Jacquetet and C. Pettang, “Dynamic Compaction of Mortar Sand/Plaster “Production Center Dynasty,” Symposium Building with Plaster in Developing Countries, Paris, 1985.
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