Abstract

Clay and alfa fiber are abounding, natural and renewable materials, they have thermal and acoustical ownership very interesting. In the present job, we studied the thermal behavior of the different samples of dimensions 10x10x3 cm³ by blending Clay with a different percentages of fibers alfa (0.5, 1, 2, 3 and 4%, respectively). Then we compare thermal ownership of this new materials (clay+alfa) with the only Clay to valorize the addition of fibers alfa and her use with Clay as insulating material. Results point out that the new composite material is lighter and less effusive, its capacity to delay the transmission of warmth is superior to that of the only clay and its use as outside wall should give an energy saving over 30%.

Keywords:

Clay , fiber alfa , insulating material , method of the hot plate , thermal conductivity,

References

1. Bahloul, O., A. Bourzam and A. Bahloul, 2009. Utilisation des fibres végétales dans le renforcement des mortiers (cas de l’alfa). Proceeding of the 1st International Conference on Sustainable Built Environment Infrastructures in Developing Countries ENSET Oran (Algeria), October 12-14.
   
2. Bal, H., Y. Jannot, N. Quenette, A. Chenu and S. Gaye, 2012. Water content dependence of the porosity, density and thermal capacity of laterite based bricks with millet waste additive. Constr. Build. Mater., 31: 144-150.
   CrossRef    
3. Ben Brahim, S. and R. Ben Cheikh, 2007. Influence of fibre orientation and volume fraction on the tensile properties of unidirectional Alfa-polyester composite. Compos. Sci. Technol., 67: 140-147.
   
4. Bessadok, A., S. Marais, F. Gouanvé, L. Colasse, I. Zimmerlin, S. Roudesli and M. Métayer, 2007. Effect of chemical treatments of Alfa (Stipa tenacissima) fibres on water-sorption properties. Compos. Sci. Technol., 67: 685-697.
   CrossRef    
5. Degiovanni, A., 1977. Diffusivity and flash method. Gen. Rev. Thermal, 16(185): 420-442.
   
6. De Hoog, F.R., 1982. An improved method for numerical inversion of Laplace transforms. Soc. Ind. Appl. Math., 3(3): 357-366.
   CrossRef    
7. Gaye, S., 2001. Caractérisation des propriétés mécanique, acoustiques et thermiques de matériaux locaux de construction. Ph.D. Thèse d’etat energétique, FST/UCAD-Sénégal, pp: 41-79.
   
8. Homari, A., M. Tyouri, A. El boardi, T. Ajzoul and H. Ezbakhe, 2007. Characterization and measurements in regimes permanent and dynamics of ownership thermophysical of the earth stabilized in margines. Phys. Chem. News, 38: 40-49.
   
9. Jannot, Y., V. Felix and A. Degiovanni, 2010a. A centered hot plate method for measurement of thermal properties of thin insulating materials. Meas. Sci. Technol., 21: 35-106.
   CrossRef    
10. Jannot, Y., B. Remy and A. Degiovanni, 2010b. Measurement of thermal conductivity and thermal resistance with a Tiny Hot Plate. High Temp-High Press., 39(1): 11-31.
    
11. Khabbazi, A., A. Cherki, R. Idchabani and M. Garoum, 2013. Thermal properties characterization of materials based on granular cork. Phys. Chem. News, 67: 90-93.
    
12. Laaroussi, N., A. Cherki, M. Garoum, A. Khabbazi and A. Feiz, 2013. Thermal properties of a sample prepared using mixtures of clay bricks. Energy Proc., 42: 337- 346.
    CrossRef    
13. Marquardt, D., 1963. An Algorithm for least-squares estimation of nonlinear parameters. J. Appl. Math., 11(2): 431-441.
    CrossRef    
14. Martin, R., 1984. Etude du renforcement de la terre à l’aide de fibres végétales. In Colloque Construction en terre, Vaulx-en-Velin, ENTPE.
    
15. Mohamed, D., 2012. Evaluation du potentiel textile des fibres d'Alfa (Stipa tenacissima L.): Caractérisation physico-chimique de la fibre au fil. Ph.D. Thèse, Université de Haute Alsace, Laboratoire de Physique et Mécanique Textiles (LPMT), pp : 70.
    
16. Parker, W., R. Jenkins, C. Butler and G. Abbott, 1961. Flash method of determining thermal diffusivity, heat capacity and thermal conductivity. J. Appl. Phys., 32(9): 1679-1684.
    CrossRef    
17. Pierre, M., 2004. Valorisation des briques de terre stabilisees en vue de l’isolation thermique de batiments. Ph.D. These, Université de Yaoundé I.
    

Competing interests

The authors have no competing interests.

Open Access Policy

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Copyright

The authors have no competing interests.