Practical application efficiency of thermal performance of GFRP items in construction industry

Author:

Kovrigin Anton1,Blaznov Aleksey23

Affiliation:

1. Biysk Factory of Glass Fiber-Reinforced Plastics

2. Institute for Problems of Chemical and Energetic Technologies, Siberian Branch of the Russian Academy of Sciences (IPCET SB RAS)

3. Biysk Institute of Technology, Polzunov Altai State Technical University

Abstract

The article concerns with the assessment of the thermal performance of a facade system using fastening elements made of glass fiber-reinforced plastic (GFRP). The article analyses the efficiency of the technical solution based on fibreglass plastic in comparison with its metal-based counterparts. We present theoretical calculation data and graphs of thermal fields, calculate heat losses through point and linear thermotechnical inhomogeneities. As opposed to a steel spacer assembly with a coefficient of thermal homogeneity up to 0.82, such a design coefficient for a fibreglass element (0.99) is close to 1.0. Herein, the GFRP fastening elements demonstrated practical efficiency when used in real modern facade building structures: the thermal insulation thickness for GFRP was 130 mm, while that for the steel elements was 160 mm when applied in the facade fixing system.

Publisher

Yaroslavl State Technical University

Reference11 articles.

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3. ГОСТ Р 58883-2020. Cистемы навесные фасадные вентилируемые. Общие правила расчета подконструкций. М.: Стандартинформ, 2020. 56 с., GOST R 58883-2020. (2020) Hinged ventilated facade systems. General rules of calculation of substructures. M.: Standartinform (in Russian).

4. ГОСТ Р 58359-2019. Анкеры тарельчатые для крепления теплоизоляционного слоя в фасадных теплоизоляционных композиционных системах с наружными штукатурными слоями. Технические условия. М.: Стандартинформ, 2019. 15 с., GOST R 58359-2019. (2019) Plate anchors for fixing of external thermal insulation composite systems with rendering. Specifications. Moscow: Standartinform (in Russian).

5. Овсянников С.Н., Вязова Т.О. Теплозащитные характеристики наружных стеновых конструкций с теплопроводными включениями // Строительные материалы. 2013. № 6. С. 24-27., Ovsyannikov, S.N. & Vyazova, T.O. (2013) Heat-shielding characteristics of external wall structures with heat-conducting inclusions, Stroitelnye materialy, (6), pp. 24-27 (in Russian).

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