Mechanical Characterization And Water Resistance Of Raw Earth Materials Made According To Malagasy Traditional Technique



This study aims to contribute to a more responsible world, by stimulating the applications of natural building materials and the enhancement of the prestige of the Malagasy traditional building technique, more respectful of the environment.

To this end, preliminary investigations were carried out to formulate the tested samples and to study the preparation processes of the earthen pastes. Three different lateritic soils were studied and stabilized with cow dung and rice straw.

The results show that the soils used are rich in SiO2, Al2O3 and Fe2O3. Introducing cow dung and rice straw with fermentation improves sample characteristics. Consequently, the sample density increases from 1728 to 1913 Kg/m3. It also increases the dry and wet compressive strengths of our samples. From the 2nd week of the paste maturation time, the dry compressive strength increases from 0.64 MPa to 1.2 MPa and at the 24th week, it is 9 times higher than that of the beginning of the tests (5.4 to 6.5 MPa).

Regarding water resistance, the results show that from the 4th week of the maturation time, the samples withstand more than 24 hours of immersion in water and this resistance increases until the 24th week, becoming comparable to that of the Malagasy ancestral walls aged more than 100 years, which is equivalent to 7 days.


sustainable construction; eco-materials; formulation; traditional wall; compressive strength; water resistance

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Houben H., Guillaud H. Traité de construction en terre. CRATerre, Edition Parenthèse, Marseille, France. (2006), 355 p.

Adrien M. Contribution à l'étude des villages fortifiés de l'Imerina Ancien. Doctoral dissertation, Clermond Ferrand. (1970), 246- 255.

Esoavelomandroso F. V. Spatial Layout and Occupation in Antananarivo Mid-Townduring the Colonial Period. The Case of Ankadifotsy Neighbourhood. Cahiers d'études africaines. (1985), 337-361.

Nativel D. Maisons royales, demeures des grands à Madagascar: l'inscription de la réussite sociale dans l'espace urbain de Tananarive au XIXe siècle. KARTHALA Editions. (2005).

NF P94-050. Reconnaissance et essais - Détermination de la teneur en eau pondérale des matériaux - Méthode par étuvage. AFNOR 10, (1995).

NF P94-04. Reconnaissance et essais - Identification granulométrique - Méthode de tamisage par voie humide. 14, (1995).

F P94-057. Analyse granulométrique des sols, Méthode par sédimentation 17, (1992).

NF P94-051. Détermination des limites d’Atterberg. 15, (1993)

Andriamihaja R. Etudes chimiques des latérites des hauts plateaux de Madagascar. Doctoral dissertation, EES Sciences Antananarivo. (1998).

Ramaroson J. D. Etude de la stabilisation de la latérite par les micro-organismes : cas de la latérite Vontovorona. HDR dissertation, ESPA Antananarivo. (2018), 90 p.

Faycal E. Conception, production et qualification des briques en terre cuite et en terre crue. Doctoral dissertation, Ecole centrale de Lille. (2013), 121p.

Issiakou M. S. Caractérisation et valorisation des matériaux latéritiques utilisés en construction routière au Niger. Doctoral dissertation, University of Bordeaux. (2016), 281 p.

Lawane G. A. Caractérisation des matériaux latéritiques indurés pour une meilleure utilisation dans l'habitat en Afrique. Doctoral dissertation, Le Havre. (2014), 243 p.

Ramaroson H.V. La spéctrométrie infrarouge comme outil de caractérisation des constituants et des propriétés physico-chimiques des sols ferralitiques des Hautes Terres de Madagascar. Doctoral dissertation, Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro). (2015), 134p.

XP P 13-901. Blocs de terre comprimée pour murs et cloisons : définitions - Spécifications - Méthodes d’essais - Conditions de réception. AFNOR 37. (2001).

Moussa O., Kalifala D., Younossa M., Aubert J.E., Adamah M., Mohamed S., Lamine Z., Moussa G. Physical, thermal and mechanical properties of adobes stabilized with fonio (Digitaria exilis) straw. Journal of building Engineering. (2019) 23, 250-258.

Okubayashi, S., U. Griesser, et T. Bechtold. A kinetic study of moisture sorption and desorption on lyocell fibers. Carbohydrate Polymers. (2004). 58, 293 299.

Millogo Y., Aubert J. E., Douani S., Antonin F., Morel J. C. Earth blocks stabilized by cow-dung. Materials and Structures. (2016), DOI 10.1617/s11527-016-0808-6.



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