Abstract
The relationship between users and the built environment represents a fundamental aspect of health. The factors that define the properties linked to health and well-being are increasingly becoming part of building design. In these terms, building information modelling (BIM) and BIM-based performance simulation take on a priority role. Among the key features for the design of Healthy Buildings, indoor air quality (IAQ) plays a central role. There are numerous indoor pollutants with significant health effects; volatile organic compounds (VOCs) are to be mentioned among these. The paper presents the proposal of an integrated workflow in the BIM process for the check and control of VOC emissions from building materials and their concentration in confined environments. The workflow is developed through the systematisation of IAQ parameters for the open BIM standard, the integration in the BIM process of a numerical model for the prediction of the VOCs concentration in the indoor environment, and the development of model checkers for performance verification. The results show a good adhesion between the numerical model and the implementation in BIM, providing the designer with a rapid control instrument of IAQ in the various phases of the building design. The present study is the first development focused on TVOC, but implementable concerning other aspects of IAQ, as needed for the effectiveness of performance building-based design for health and wellness issues.
Highlights
Architectural design in health management is assuming an increasingly central role
The case study selected to develop the proposed workflow and the integration between indoor air quality (IAQ) and building information modelling (BIM) is a recent project by RI.EL.CO IMPIANTI SRL, with which the “Sapienza” University of Rome carried out the research project in partnership of effective collaboration
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Summary
Architectural design in health management is assuming an increasingly central role. In this context, the issue of building quality requires the development of models for verifying the feasibility of the building project and the optimal compliance of the works with the requirements. Architectural design in health management is playing a new role and, as written at the beginning, the system of requirements to be met refers to the aspects of the technological and the environmental systems directly or indirectly connected to the quality of the indoor built environment The management of these interrelations through building information models [2,3] follows a requirement-performance approach aimed to define the technical intervention methods on building construction to respond to the demands of the functional programming, and of the current legislation with compliant technical solutions, characterised more or less by high performance [22,23], and for health and well-being requirements. The research was developed on the case study: the new expansion of CNR in Pisa, Italy
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