Dome House Insulation Systems

Abstract:

The article presents the results of studying the possibility of using the insulation systems in the structures of rural buildings of various functional purposes, including the creating the multifunctional objects. A vegetarium dome house is considered, which unites a living area and greenhouses. The planning solution of the multipurpose domed house involves the formation of the effective insulation systems for the interior walls, protecting the living space of the interior from the heat-moisture and phytoaggressive features of the greenhouse exterior. A comparative analysis of possible heat-, water-and vapor-insulating materials for an insulating membrane has established the expedience of using the rolled foam-polyethylene fixed by an adhesive method on the external surfaces of the internal walls. Experimental studies have established that polyethylene foam with an average density of 18–20 kg/m³ has the following characteristics: the diffusion moisture absorption without any coating is 0,44 kg/m²; the diffusion moisture absorption with a metalized coating is 0,37 kg/m²; water absorption upon partial immersion in water for 24 hours is 0,013 kg/m²; volume water absorption with full immersion in water for 28 days is 0,96%. The nature of the destruction of the contact surface “foam polyethylene-metal” is cohesive in the adhesive layer, and the destructive stress is 12–17 kPa. A special feature of the polyethylene foam is the possibility of creating a jointless coating with minimal diffusion characteristics and with minimized cold bridges. The jointless cover is formed by combining the roll material into a lock, followed by hot air welding.

• Periodical: Materials Science Forum (Volume 992)
• Pages: 48-53
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.992.48
• Online since: May 2020
• Authors: E. Shokodko*, Ekaterina Yu. Bobrova, E.A. Zinoveva, Alexey D. Zhukov
• Keywords: Energy Efficiency, Foamed Polyethylene, Greenhouse, Insulation Systems

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