Metamodel for multi-performance integration in architectural design

The building overall performance involves a complex network of interrelated variables that integrate different fields of interest. This network expands to the interrelationship between the various actors who develop the project. Integrating performance dimensions involves the decision making based on the interests of various stakeholders. Therefore, it is important the participation of such players systematically and collaboratively since the early stages of design. This work deals with the following research question: how to integrate multiperformances in early stages of design? It has as main objective to develop a mechanism for integrating multiperformances in early stages of architectural design. It is understood that the process of structuring a multicriteria decision aid model (MCDA), to be incorporated into the design process, promotes collaborative work and systematize the integration of performance objectives. So, we start from the assumption that from the structuring of a MCDA model, through a constructivist view, one can integrate multiperformances in early stages of design. According to this view, decision-making is a process over time involving the interaction between the actors endowed with its own value system, building a model that represents this value system in order to obtain recommendations that are useful to support decision. This research was developed following the methodology of Design Science Research, according to which it is necessary to identify a practical problem and propose an artifact to solve it. The artifact developed was the mechanism for integrating multiperformances, comprising a metamodel and a dynamic of application. As a practical contribution, we propose a model of how to incorporate the construction of a MCDA model to the design process as a means to integrate multiperformances. An important contribution of this thesis lies in the structure of socialization of project agents promoted by the mechanism. Thus, in addition to allowing multiperformance integration, the mechanism contributes to the realization of integrated design. For better development and evaluation, the proposed mechanism was applied in a didactic experience, which simulated a practical realization of the project. As a theoretical contribution, this research has identified how occurs the interaction between the decision-aid process and the design process.