Abstract
In a strong commitment to economic valorisation that began a decade and relevant contribution to the problems of housing and creation of small jobs response, the Cameroonian government has invested heavily in promoting use of local materials through the creation of MIPROMALO (Mission for Promotion of local Materials) in 1991 (economic crisis), and through the signing of government circular from the Prime Minister, thus placing its development policies in prior to any development strategy more distant prospect. It was then that housing through development of local building materials becomes one of major policy priorities of Cameroonian’s government. However, there is a low valuation thereof despite availability of local materials and political will expressed in Circular No. 002/CAB/PM of 12 March 2007 on the use of local materials in construction of public buildings. In this study, we analyse the contribution that can play promotion of local materials in construction in the Sahel zone which for a harmonious sustainable development. Specifically, it’s to highlight the added value of using local materials, propose strategies for implementation and production of compressed bricks. This scientific work has therefore a double interest, scientific and technological industrial view and contributes to the development, promotion of local materials and the development of soil and/or basement areas. We arrived after analysis of our data to the conclusion that valuation of clay materials from Maroua’s town was a factor for economic growth and sustainable development. This inventory allows us to implement and produce prototypes suitable compressed bricks, shapes of housing in Sahel zone. However, physical and geotechnical tests on materials clay (raw materials for production of bricks), allow us to better assess characteristics of clay before production of bricks. Well after we submit our bricks to various mechanical and technological tests to assess their ability to withstand loads in extreme temperature conditions of Sahel zone.
Highlights
Brick is a building material, it combines creativity and modernity
Analysed samples, we are able to say that the materials for which WL
Materials samples MA and PI will likely to have strong withdrawals drying. The above observations, it emerges that analysed samples are materials useful mechanical behaviour, that can justify their use in field of construction and especially in brick industry and/or fine ceramics
Summary
Brick is a building material, it combines creativity and modernity. Their shapes have evolved over time: full brick kneaded by our ancestors through neolithic light bricks, to those with highly capacity for efficient thermal insulation. The idea of getting a resistant building material from clay is very old and this tradition has continued to this day. This wonder of nature did not leave indifferent African populations, especially those from Cameroon and especially the people of Far North region of Cameroon, who quickly realised need for its use in housing construction. Transformation process may involve imported inputs that don’t exceed 20% of total raw material costs. In doing so, these imported inputs are used only in cases where they may not be available (physical availability and/or technological). They are classified into three groups according to their origin: Minerals Processing; organic materials (animal or vegetable origin); and manufactured materials [6]-[9]
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