Comparação do custo de produção de painel CLT produzido artesanalmente com outros materiais de construção convencionais / Comparison of the production cost of CLT panel produced by hand with other conventional construction materials

A crescente utilização da madeira na construção civil coincide com o desenvolvimento de novos produtos que possibilitam uma construção mais rápida, econômica e com maior qualidade. Destaca-se entre esses produtos o painel CLT – Cross Laminated Timber. Este produto foi desenvolvido na Europa nas últimas décadas. O trabalho tem como objetivo realizar uma análise de custos de produção do painel CLT com os materiais convencionais utilizados na construção. Foi confeccionado um painel estrutural em tamanho real com 3 camadas com madeira reflorestada de Pinus taeda. Durante a produção a quantidade de produtos e tempo gastos para a fabricação de forma artesanal foram mensurados. A comparação de custos foi realizada em relação a alvenaria estrutural e a alvenaria de vedação. Notou-se que o painel CLT apresenta um custo de 37% menor que a alvenaria de vedação e de 18,5% menor que a alvenaria estrutural, indicando um grande potencial para a sua produção na região de Lages- SC.   

Potential Use of Bio-Oleogel as Phase Change Material

Two bio-oleogels were investigated. These materials were produced with a combination of canola and soybean oil with 4, 6, 8, and 10% of beeswax (by weight). Sensible heat storage capacity, melting parameters, and enthalpies were investigated by the differential scanning calorimetry (DSC) test. An ordinary DSC dynamic test was performed. Cycles of heating and cooling were performed, as well as tests with different heating rates. According to the results, the materials present a melting temperature between −16 to −12 °C and a total latent heat between 22.9 and 367.6 J/g. BC10 (canola oil with 10% beeswax) was the sample with the best performance, with a latent heat of 367.6 J/g and a melting temperature of −13.6 °C, demonstrating its possible use as a phase change material for cold storage

Potential Use of Bio-Oleogel as Phase Change Material

Two bio-oleogels were investigated. These materials were produced with a combination of canola and soybean oil with 4, 6, 8, and 10% of beeswax (by weight). Sensible heat storage capacity, melting parameters, and enthalpies were investigated by the differential scanning calorimetry (DSC) test. An ordinary DSC dynamic test was performed. Cycles of heating and cooling were performed, as well as tests with different heating rates. According to the results, the materials present a melting temperature between −16 to −12 °C and a total latent heat between 22.9 and 367.6 J/g. BC10 (canola oil with 10% beeswax) was the sample with the best performance, with a latent heat of 367.6 J/g and a melting temperature of −13.6 °C, demonstrating its possible use as a phase change material for cold storage

Potential Use of Bio-Oleogel as Phase Change Material

Two bio-oleogels were investigated. These materials were produced with a combination of canola and soybean oil with 4, 6, 8, and 10% of beeswax (by weight). Sensible heat storage capacity, melting parameters, and enthalpies were investigated by the differential scanning calorimetry (DSC) test. An ordinary DSC dynamic test was performed. Cycles of heating and cooling were performed, as well as tests with different heating rates. According to the results, the materials present a melting temperature between −16 to −12 °C and a total latent heat between 22.9 and 367.6 J/g. BC10 (canola oil with 10% beeswax) was the sample with the best performance, with a latent heat of 367.6 J/g and a melting temperature of −13.6 °C, demonstrating its possible use as a phase change material for cold storage