Effect of the Mass Rate of the Straw on the Mechanical and Hydric Characteristics of Mortars in Earth

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Effect of the Mass Rate of the Straw on the Mechanical and Hydric Characteristics of Mortars in Earth

Author Affiliations

¹Institute of Archaeology, University of Algiers, ALGERIA
²Department of genius of materials, Faculty of Science of the engineer, Boumerdes, ALGERIA
³Faculty of Physics, University of Science and Technology, Algiers, ALGERIA

Res.J.chem.sci., Volume 3, Issue (12), Pages 76-78, December,18 (2013)

Abstract

This work presents an experimental study concerning the characterization of a mortar in raw earth chosen as material of construction in which we have to strengthen him by fibers of vegetable (chopped straw), to improve these mechanical performances. In this respect, we preceded to develop composites in earth by a protocol traditional, with various percentages of straw fibers (1 %, 2 %, 3 %, 4 % and 5 %). The realized test tubes were also tested in axial close compression, what allowed to highlight the importance of the percentage of the addition on the mechanical behavior of the material. The results showed that the mortar of earth(ground) strengthened by vegetable fibers in 3 % possesses an improvement of its mechanical properties in the flexion.

References

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[ref1] Bardel P. and Maillard J., Architecture of Earth in Ille-et-Vilaine .Editions: peak, September, (2002)

[ref2] Dethier J., architectures of earth or the future of a thousand-year-old tradition, CGP, Paris, on (1982)

[ref3] Guebboub L.S., M. Kadi Hanifi, M. Hamiane, S. Kamel, Characterization of a composite material in adobe subjected to natural weathering: The case of El Hara Djelfa- Algeria, International Journal of the Physical Sciences,6(25), 5982-5987 (2011)

[ref4] Bruno P., Raw Earth, Technique of construction and restoration, Edition Eyrolles (2005)

[ref5] Martin R., Study of the strengthening of the earth by means of vegetable fibers. Colloquium Construction in earth, Vaulx-en-Velin (1984)

[ref6] Righi D. and Elsass F., Characterization of soil clay minerals: decomposition of X-ray diffraction diagrams and high resolution electron microscopy, Clays and Clay Minerals, 44, 791-800 (1996)

[ref7] Gelard D., Identification and characterization of the cohesion internal of the material is in hiding in its natural conditions of preservation, Lille - Dunkirk, thesis doctorate .L' doctoral school, is in hiding environement universe, 31-154 (2005)

[ref8] Beg M. and Pickering K.L., Accelerated weathering of unbleached and bleached kraft wood fibre reinforced polypropylene composites, Polymer Degradation and Stability, 93(10), 1939-1946 (2008)