Abstract
In a world context focused on energy efficiency and sustainable construction, returning to the use of raw earth in construction constitutes a good alternative to concrete construction, a system more energy consuming and yet more used nowadays. This return is justified by the excellent energy performance and the high level of thermal comfort provided by earth constructions in different climates. In cold climates, adding an insulation on earth walls has proven to be effective in improving their thermal performances. However, the influence of adding an insulation on the energy performance of rammed earth buildings in hot and arid climates remains to this day little explored. The present work comes in this order of ideas; it is based on a comparative study of the energetic performances of a mud building before and after the addition of the insulation. In order to compare between their performances, we have performed a simulation of the thermal behaviour of each by the dynamic thermal simulation software Design Builder.
Highlights
Since Antiquity, raw earth remains one of the principal building materials used on our planet
The earth construction knows - in recent years - a new boom in the world thank to its energy performance
Several authors have been interested in the energy of earth construction in different climates and their supremacy compared to other construction materials
Summary
Since Antiquity, raw earth remains one of the principal building materials used on our planet. Abandoned in favour of other constructive systems, earth constructions are present in Morocco They mainly use the technique of rammed earth. The earth construction knows - in recent years - a new boom in the world thank to its energy performance. In this sense, several authors have been interested in the energy of earth construction in different climates and their supremacy compared to other construction materials. Cheikhi et al [1] led a comparative study between the energy performances of two buildings using two different construction materials: rammed earth on one side, concrete masonry on the other. The new expansion of the rammed earth technique is accompanied by its adaptation to modern construction
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