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Abstract(s)
A presente dissertação foi elaborada no âmbito da unidade curricular de DIPRE (Dissertação/Projeto/Estágio), que se encontra no plano de estudos do 2º semestre do 2º ano do Mestrado em Engenharia Civil, no ramo de Construções do Instituto Superior de Engenharia do Porto.
Novos sistemas de vedação de fachadas, como os painéis pré-fabricados em GRC, vem ganhando relevância no mercado da construção civil por conta da conscientização da implementação de métodos menos agressivos ao meio ambiente e da necessidade de racionalização da obra, o que inclui a redução do tempo de execução e custos.
No Brasil, existe uma grande resistência à substituição do método convencional fechamento de fachadas, realizado com blocos de alvenaria. Esta resistência se deve a pouca oferta de mão de obra especializada e a carência de estudos técnicos e normatizações de sistemas inovadores, como os painéis pré-fabricados em GRC.
Este trabalho sintetiza o conhecimento em torno deste método, procurando esclarecer as etapas do processo de projeto, fabricação e montagem dos painéis. Após a exposição das propriedades do GRC, dos tipos de painéis, das formas de produção, foi feito o dimensionamento de um painel para um edifício fictício, este último realizado dentro do estudo de caso, conclui-se que a prática deste método construtivo pode ser muito benéfica para a construção como um todo, reduzindo o peso imposto na estrutura, assegurando o conforto térmico e acústico da edificação além de reduzir os resíduos da construção, característica assegurada pela pré-fabricação.
This dissertation was prepared in the context of curricular unit of DIPRE (Dissertation/Project/Internship), which is the 2nd semester of the 2nd year of the master’s degree in Civil Engineering, in the construction field of the Instituto Superior de Engenharia do Porto. New sealing facade systems, such as prefabricated panels in GRC, has been reaching relevance in the construction market to the growing awareness of the implementation of less aggressive methods to the environment and the need for rationalization of the work, which includes reducing time and costs. In Brazil, there is a great resistance to replace conventional method closing facades, made with masonry blocks. This resistance is due to low skilled labor supply and the lack of technical studies and standardizations of innovative systems, such as prefabricated panels in GRC. This work synthesizes knowledge about this method, seeking to clarify the stages of the design process, manufacturing and assembly of the panels. After exposure of the GRC properties, types of panels, forms of production, the design of a panel for a fictitious building was done, the latter held within the case study, it is concluded that the practice of this construction method can be very beneficial for the construction as a whole, reducing the load imposed on the structure, ensuring thermal and acoustic comfort of the building while reducing construction waste, feature provided by prefabrication.
This dissertation was prepared in the context of curricular unit of DIPRE (Dissertation/Project/Internship), which is the 2nd semester of the 2nd year of the master’s degree in Civil Engineering, in the construction field of the Instituto Superior de Engenharia do Porto. New sealing facade systems, such as prefabricated panels in GRC, has been reaching relevance in the construction market to the growing awareness of the implementation of less aggressive methods to the environment and the need for rationalization of the work, which includes reducing time and costs. In Brazil, there is a great resistance to replace conventional method closing facades, made with masonry blocks. This resistance is due to low skilled labor supply and the lack of technical studies and standardizations of innovative systems, such as prefabricated panels in GRC. This work synthesizes knowledge about this method, seeking to clarify the stages of the design process, manufacturing and assembly of the panels. After exposure of the GRC properties, types of panels, forms of production, the design of a panel for a fictitious building was done, the latter held within the case study, it is concluded that the practice of this construction method can be very beneficial for the construction as a whole, reducing the load imposed on the structure, ensuring thermal and acoustic comfort of the building while reducing construction waste, feature provided by prefabrication.
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Keywords
Painéis arquitetónicos GRC Sistemas construtivos Fachada Pré-fabricado Architectural panels Building systems Façade Prefabricated