i e-MAIL |CV Lattes Regina Coeli Ruschel ii e-MAIL|CV Lattes Resumo O setor de projetos de Arquitetura Engenharia e Construção (AEC) têm sua principal ferramenta de desenvolvimento sistemas de projeto auxiliado por computador (sistemas CAD), baseado em software proprietários, com custos elevados e necessários em várias estações de trabalho. Entretanto, atualmente os usuários de sistemas CAD no Brasil e no mundo carecem de um programa do tipo software livre ou open source que possa ser equiparado ao software proprietário padrão e líder de mercado, o AutoCAD®, da Autodesk, viabilizando redução de custos com Tecnologia da Informaçã. O estudo apresentado procura um sistema CAD alternativo que possa abrigar a metodologia de projeto automatizada. Esta pesquisa caracteriza-se como descritiva de sistemas CAD livre sendo desenvolvida nas seguintes etapas: levantamento, categorização, triagem, definição do sistema CAD de controle, definição de elementos e critérios de avaliação, aplicação da avaliação e análise. Os sistemas avaliados são apresentados e comentados. É possível dizer que ainda não há um sistema CAD livre que possa abrigar o desenvolvimento de uma ferramenta de projeto com características conjuntas de recursos em 2D, 3D e extensibilidade. Como contribuição apresenta-se um roteiro para escolha de um sistema CAD alternativo ao software proprietário para o desenvolvimento de projeto de AEC. Palavras-chave: CAD, software livre, open source, modelagem, projeto arquitetônico. AbstractDevelopment tools in Architecture Engineering and Construction (AEC) are based on high costs computer-aided design (CAD) proprietary software installed on multiple workstations. However, nowadays the CAD systems, Brazilian or worldwide, need a free software program comparable to AutoCAD, standard proprietary software and market leader, in order allow Information Technology cost reduction. This study is motivated by the search of an alternative CAD system in order to implement a housing automated design methodology. This research is characterized as descriptive of free CAD systems developed in the following stages: collecting, categorizing, sorting free CAD systems, defining a proprietary CAD system of control comparison, defining elements and assessment criteria, evaluation and analysis. The free CAD systems evaluated are presented and discussed. It was observed that still there isn´t a free CAD system which can accommodate the development of a tool for automated design methodology including simultaneously features of 2D, 3D and extensibility. As a contribution it is presented guidelines for choosing a CAD system alternative to proprietary software for the AEC design.
Information and Communication Technologies has been, in recent years, gaining ground in building construction. In Brazil, Building Information Modeling (BIM) adoption in construction firms around the country is an evidence of such growth. It first happened in firms near big economic centers; however now interest is spreading throughout the rest of the territory. This article aims to explain briefly the steps taken for BIM Implementation at a corporate building project in Aparecida de Goiânia. The BIM implementation process was done in collaboration with the University of Campinas in an action research. The research applied modeling practices and model management activities to evaluate the benefits of a model-based approach at a construction firm design process. The accomplished benefits are relate to error reduction and omissions in design and the precision of quantity take-off in the estimate process.
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