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Title: Moisture condition of building materials in different operating conditions
Authors: Gagarin, V. G.
Pavlenko, N. V.
Pastushkov, P. P.
Kubenin, A. S.
Keywords: Authors of BSTU
calculated humidity
operating humidity
building materials
field studies
moisture behavior
unsteady calculation method
Issue Date: 2017
Publisher: Published by Atlantis Press
Abstract: The definition of the concepts of theoretical and operating moisture of building materials is given in the paper. The estimated moisture is determined. To determine operating moisture, the analysis methods are used. The issues with the estimated moisture based on field studies are presented. Methods of calculating moisture of building materials by sorption isotherm are proposed. Literature and regulations on the use of mathematical methods for calculating moisture conditions are described in the article. Links to the relevant regulations to determine the procedures necessary for numerical calculations of the moisture properties of building materials are provided in the paper. A new formula for operating moist calculation basing on the results of field studies of moisture in the enclosing structures is presented in the article. The article describes the results of fullscale, numerical and laboratory studies to determine the estimated moisture of building materials. Discrepancy of field study results and laboratory data is revealed; thereby, inadequacy of the method of calculated moisture of building materials by sorption isotherm is proved. A good convergence of results of numerical and field investigations, which show the validity of application of the mathematical method when determining the estimated moisture content in building materials, are presented.
Description: Moisture condition of building materials in different operating conditions / V. G. Gagarin [et al.] // Adavnces in Engineering Reeseach (Actual Issues of Mechanical Engineering AIME 2017). - 2017. - Vol.133. - P. 592-597.
Appears in Collections:Construction materials, products and structures

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