Composite heat-insulating materials based on natural raw materials and mineral binders

• Autor(a) principal: Bialosau, Aliaksandr
• Data de Publicação: 2017
• Tipo de documento: Dissertação
• Idioma: eng
• Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
• Texto Completo: http://hdl.handle.net/10400.8/3039
• topic: Isolamento; Musgo; Sphagnum; Matérias-primas; Resíduos agrícolas; Condutividade térmica; Domínio/Área Científica::Engenharia e Tecnologia::Engenharia Civil

The growth of tariffs for the heat supply of the dwelling makes it necessary to take special care in selecting modern high-performance heatinsulating materials. Correctly mounted heat insulation system in comparison with what is done unprofessionally, can allow the owner to reduce heating costs by 3-4 times. The use of insufficient, ineffective thermal insulation or its incorrect placement inevitably leads to deterioration in the microclimate of the premises. The search and creation of effective heat-insulating materials on the basis of cheap raw materials continues to be a chalenge. At the same time, the criterion of saving fuel and energy resources in the production of heatinsulating materials is of great importance. Depending on the composition of the substances from which the thermal insulation materials are made, under certain conditions they can act on the insulated surfaces, the environment, and the human or animal body. Increasingly widespread are modern ecologically clean insulation from vegetable raw materials. Most often, these materials are made from fibers of flax, hemp or wood, fastened with safe binding components. Natural insulators are made in the form of mats, plates and rolls, which makes the material universal in terms of application options. The purpose of this research work was to determine the possibility of using sphagnum moss as a heat-insulating aggregate. To accomplish the task, compositions for heat-insulating boards based on sphagnum moss were developed. The plates were tested for thermal conductivity. Also, to test the material for strength at 10% deformation, cubes were made.