Como melhorar o conforto do usuário no ambiente construído: modelo para seleção de sistemas construtivos em habitações de interesse social

Abstract

Used constructive systems choice influences the user’s comfort, the amount of energy consumed and enterprise economic viability. Civil construction lacks modern tools in its management processes, being necessary for the development of methodologies that cooperate with the best project planning. Due to this, this study has as objective the development of a decision-making model for the selection of a constructive system destined to social housings. Interviews were conducted with construction specialists to consolidate the most important evaluation criteria, obtaining the preferences and performances of alternatives. As results, important criteria were defined as: cost, productivity, supplier satisfaction, generated waste, thermal and acoustic insulation. The validation of the proposed methodology was carried out with the application of multicriteria method PROMETHEE II ina multifamily standard project of social housing. The numerical results show that the order of constructive systems was: concrete walls, steel frame, structural masonry, and traditional masonry. Finally, a model was obtained, which can be used for different social housing projects as a useful and simplified tool in improving the decision process.