The materials constituting the pavement bodies, until today, have been limited to certain so-called noble materials (rolled sands, aggregates, etc.), but these are in the process of being exhausted under the effect of intensive exploitation and the scarcity of quality quarries. With the objective of preserving the deposits of aggregates in the process of exhaustion for future generations and of exploiting the aeolian sands in abundance in the regions of southern Algeria, we aim to enhance the latter in the body of the roadway mixed with the tuffs, this would imply a reduction in construction costs (use of local aggregates of lower quality available in large quantities, reduction in transport costs). From an environmental point of view, this would limit the impacts with a reduction in CO2 emissions linked to transport. In this work, we applied a new approach based on the technique of mixtures to valorize and exploit the sand of dunes existing in abundance, with the treatment in hydraulic binders, which allowed us to go up to 20% of sand dunes
In the context of sustainable local development of the Adrar region, one of the largest regions in the Algerian Sahara. The search for local useful substances has been initiated by the Algerian state to cover the need for building materials in the construction industry. However, from a geological point of view, the Adrar zone is located in the extension of the primary chain of the Ougarta which separates two sedimentary basins of Reggane and Timimoun, as well as the basin of Sbâa. In this context, an experimental study is focused on the characterization of clay deposits, with a view to their valorization in the construction materials industry (ceramics) sector, with the aim of contributing to the use of local materials.
Abstract. In the context of sustainable local development of the Adrar region, one of the largest regions in the Algerian Sahara. The search for local useful substances has been initiated by the Algerian state to cover the need for building materials in the construction industry. However, from a geological point of view, the Adrar zone is located in the extension of the primary chain of the Ougarta which separates two sedimentary basins of Reggane and Timimoun, as well as the basin of Sbâa. In this context, an experimental study is focused on the characterization of clay deposits, with a view to their valorization in the construction materials industry (ceramics) sector, with the aim of contributing to the use of local materials.Keywords: clay; Ceramic; building materials; Adrar; development.Résumé. Dans le cadre du développement local durable de la région d'Adrar, l'une des plus vastes régions dans le Sahara algérien, la recherche de substances utiles locales a été entamée par l'état algérien, cela pour répondre au besoin en matériaux de construction dans le BTP. Cependant du point de vue géologique, la zone d'Adrar est située dans le prolongement de la chaine primaire de l'Ougarta qui sépare deux bassins sédimentaires : celui de Réggane et celui de Timimoun, ainsi que la cuvette de Sbâa. Dans ce contexte, une étude expérimentale est focalisée sur la caractérisation des gisements argileux, en vue de leur valorisation dans le secteur de l'industrie des matériaux de construction (céramique), ayant pour objet de contribuer à l'utilisation des matériaux locaux.
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