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A corrente preocupação com o meio ambiente, tem levantado várias discussões relacionadas ao
impacto da indústria da construção na natureza. A busca por soluções alternativas, potencializa o uso
da madeira como um material sustentável e economicamente viável, a ser aplicado num futuro
próximo.
Este trabalho, surge da necessidade em se desenvolver soluções construtivas sustentáveis, que
consigam responder de forma eficiente a falta de conforto térmico no verão.
Neste sentido, foram desenvolvidas três soluções construtivas baseadas em madeira laminada cruzada
(CLTA, CLTB e CLTC) e uma solução de Alvenaria corrente como elemento de comparação. Que
através da ferramenta de simulação dinâmica Energyplus , passaram por uma avaliação térmica, de
modo a se compreender a variação do comportamento térmico de verão entre as soluções de madeira
e a construção corrente.
Para otimização da análise, foi feita a alteração da localização do edifício, com a primeira avaliação
térmica em Lisboa e a segunda em Faro.
Em termos gerais, o presente estudo permitiu analisar o comportamento de térmico da madeira
laminada cruzada, quando exposto ao clima de Portugal, demostrando de forma detalhada a influência
dos elementos da envolvente opaca no desempenho térmico dos edifícios e expondo a importância da
consideração de soluções construtivas adequadas e capazes de reduzir os consumos energéticos.
The current concern with the environment, has raised several discussions about the impact of the construction industry on nature. The search for alternative solutions brings the use of wood as a sustainable and economically viable material to be applied in the future. This work arises from the need to develop sustainable constructive solutions that can efficiently respond to the lack of thermal comfort in the summer. In this sense, three cross-laminated wood (CLTA, CLTB and CLTC) solutions were developed and a fourth as a comparison element. With a dynamic simulation tool, the Energyplus, the solutions were underwent an evaluation thermal, to understand the variation of the thermal behavior of summer, between the solutions of wood and the current construction. To optimize the analysis, the location of the building was changed, with the first thermal evaluation in Lisbon and the second in Faro. In general, the present study allowed us to analyze the thermal behavior of the Cross Laminated Timber, when exposed to Portuguese climate, demonstrating in detail the influence of the elements of the opaque envelope on the thermal performance of buildings and exposing the importance of considering appropriate constructive solutions, and capable of reducing energy consumption.
The current concern with the environment, has raised several discussions about the impact of the construction industry on nature. The search for alternative solutions brings the use of wood as a sustainable and economically viable material to be applied in the future. This work arises from the need to develop sustainable constructive solutions that can efficiently respond to the lack of thermal comfort in the summer. In this sense, three cross-laminated wood (CLTA, CLTB and CLTC) solutions were developed and a fourth as a comparison element. With a dynamic simulation tool, the Energyplus, the solutions were underwent an evaluation thermal, to understand the variation of the thermal behavior of summer, between the solutions of wood and the current construction. To optimize the analysis, the location of the building was changed, with the first thermal evaluation in Lisbon and the second in Faro. In general, the present study allowed us to analyze the thermal behavior of the Cross Laminated Timber, when exposed to Portuguese climate, demonstrating in detail the influence of the elements of the opaque envelope on the thermal performance of buildings and exposing the importance of considering appropriate constructive solutions, and capable of reducing energy consumption.
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Comportamento térmico de verão Cross Laminated Timber CLT Sustentabilidade EnergyPlus Sobreaquecimento
