Abstract [FR]<\/strong><\/h4>\n

L\u2019Homme con\u00e7oit son habitat pour se prot\u00e9ger tout en tirant les avantages de son environnement direct. En outre, le syst\u00e8me climatique global connait d\u00e9j\u00e0 des changements profonds malgr\u00e9 les mesures de r\u00e9duction mises en \u0153uvre au titre du protocole de Kyoto ou d\u2019autres m\u00e9canismes issus des diff\u00e9rentes COPs. L\u2019adaptation \u00e0 ces changements climatiques est in\u00e9luctable dans le secteur du b\u00e2timent du Sahel et du Burkina Faso en g\u00e9n\u00e9ral, et de la ville de Ouagadougou en particulier. Une question se pose alors\u00a0: dans quelle mesure et avec quelle ampleur la construction des nouvelles toitures va-t-elle prendre en compte certaines de ces modifications pour am\u00e9liorer le confort des populations dans les zones urbaines ?<\/p>\n

Dans ce contexte, il est tr\u00e8s probable que la fonctionnalit\u00e9 du cadre b\u00e2ti existant et la conception des futurs b\u00e2timents soient modifi\u00e9es pour pallier aux cons\u00e9quences des changements climatiques.<\/p>\n

Le Burkina Faso est un pays sah\u00e9lien caract\u00e9ris\u00e9 par des temp\u00e9ratures ambiantes tr\u00e8s \u00e9lev\u00e9es. En outre, le r\u00e9chauffement climatique se ressent de plus en plus et inqui\u00e8te les collectivit\u00e9s. Cet inconfort conduit les populations \u00e0 faire recours abusivement \u00e0 des syst\u00e8mes de climatisation tr\u00e8s \u00e9nergivores et avec des impacts n\u00e9gatifs sur l\u2019environnement. Cependant, de nos jours la sauvegarde de l\u2019environnement se fait de plus en plus dominante. Il est donc imp\u00e9ratif de trouver des solutions palliatives \u00e0 ce probl\u00e8me.<\/p>\n

Par ailleurs, l\u2019int\u00e9gration des techniques passives et l\u2019utilisation des mat\u00e9riaux locaux pourraient r\u00e9duire consid\u00e9rablement la consommation d\u2019\u00e9nergie dans le secteur du b\u00e2timent. C\u2019est dans ce contexte o\u00f9 se situe cet article et dont l\u2019objectif est d\u2019\u00e9valuer la capacit\u00e9 de rafra\u00eechissement de quelques techniques passives pour la protection solaire des toitures et de montrer l\u2019importance de l\u2019utilisation des mat\u00e9riaux naturels locaux dans le climat tropical comme celui du Burkina et dans la sous-r\u00e9gion Ouest-africaine.<\/p>\n

Mots cl\u00e9s\u00a0:<\/strong> Confort thermique, <\/strong>inertie, <\/strong>Techniques passives, Cellule test, Mat\u00e9riaux locaux, Changements climatiques, Efficacit\u00e9 \u00e9nerg\u00e9tique, Toiture verte.<\/p>\n

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Abstract [EN]<\/strong><\/h4>\n

Man designs his habitat to protect himself, while taking advantage of his direct environment. What’s more, the global climate system is already undergoing profound changes, despite the reduction measures implemented under the Kyoto Protocol or other mechanisms resulting from the various COPs. Adaptation to these climate changes is unavoidable in the building sector of the Sahel and Burkina Faso in general, and the city of Ouagadougou in particular. The question then arises: to what extent and on what scale will the construction of new roofs take into account some of these changes to improve the comfort of populations in urban areas?<\/p>\n

In this context, it is highly likely that the functionality of the existing built environment and the design of future buildings will be modified to mitigate the consequences of climate change.<\/p>\n

Burkina Faso is a Sahelian country characterized by very high ambient temperatures. In addition, global warming is becoming more and more acute, causing concern among communities. This discomfort is leading people to make abusive use of air-conditioning systems, which consume a lot of energy and have a negative impact on the environment. Nowadays, however, environmental protection is becoming increasingly dominant. It is therefore imperative to find palliative solutions to this problem.<\/p>\n

Moreover, the integration of passive techniques and the use of local materials could considerably reduce energy consumption in the building sector. It is in this context that this article is set, with the aim of assessing the cooling capacity of a number of passive techniques for the solar protection of roofs, and demonstrating the importance of using local natural materials in a tropical climate such as that of Burkina Faso and the West African sub-region.<\/p>\n

Key words<\/strong>: Thermal comfort, inertia, passive techniques, test cell, local materials, climate change, energy efficiency, green roofing.<\/p>\n

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Titre<\/strong> : Influence de la toiture sur le confort thermique des b\u00e2timents urbains dans les tropiques s\u00e8ches : cas de la ville de Ouagadougou, Burkina Faso
\nAuteur(s)<\/strong>\u00a0:\u00a0OUOBA Emile<\/a>, ; Boukari Sawadogo<\/a>
\nAffiliation<\/strong> :Centre Internationale de recherche pluridisciplinaire(CIREP)\/ Universit\u00e9 de Lisala<\/p>\n

Publi\u00e9 dans\u00a0<\/strong>\u00a0\u00a0Journal des sciences sociales et de l\u2019ing\u00e9nierie<\/a>\u00a0,\u00a0\u00a0Volume 36<\/a>\u00a0\u00a0,\u00a0\u00a0<\/em>num\u00e9ro 5<\/a>
\ndoi<\/strong>\u00a0:\u00a010.55272\/rufso.rjsse<\/a>
\n<\/em><\/p>\n

T\u00e9l\u00e9charger l\u2019article en PDF<\/a><\/strong><\/h3>\n

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