Cement boards thermophysical characteristics for solving the tasks of nonstationary high-temperature heating
DOI:
https://doi.org/10.33408/2519-237X.2018.2-3.327Keywords:
fire resistance, thermophysical characteristics, thermal conductivity coefficient, thermal diffusivity, specific heat, cement boards, temperature coefficient of linear expansionAbstract
Purpose. The paper is devoted to cement boards thermophysical characteristics based on experimental research in relation to nonstationary high-temperature heating.
Methods. Thermophysical characteristics were evaluated by experimental studies on special equipment.
Findings. Experimental thermophysical characteristics of flat cement boards samples in relation to nonstationary heat flows were found.
Application field of research. The obtained thermal properties can be used in thermal problem evaluating during fire resistance assessment procedures.
Conclusions. As a result, thermophysical characteristics were obtained for samples of flat cement boards on the basis of experimental studies of special equipment for nonstationary heat flows. The resulting thermal properties give satisfactory convergence only in certain temperature ranges.
References
Kudryashov V.A., Batyan S.S. Cement boards thermal conductivity based on experimental research and numerical simulation data in relation to nonstationary heat flows. Vestnik Universiteta grazhdanskoy zashchity MChS Belarusi. 2017. Vol. 1, No. 2. Pp. 139–152. (rus)
Construction constructions. Test methods for fire resistance. General requirements: Interstate Standard 30247.0-94. Full-text information retrieval system «Stroydokument», availiable at: http://www.normy.by/doc2.php?type=-1&id=365 (accessed: July 13, 2018). (rus)
Lykov A.V. Theory of heat conduction. Moscow: Vysshaya shkola, 1967. 600 p. (rus)
American Society for Testing and Materials 831. Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis. Enter 2000. West Conshohocken: ASTM International, 2000. 5 p.
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Copyright (c) 2018 Kudryashov V.A., Botyan S.S., Danilova-Tret'yak S.M., Nikolaeva K.V.CC «Attribution-NonCommercial» («Атрибуция — Некоммерческое использование») 4.0