Strength and thermal conductivity properties of thermowood-cement composition and factors influencing these indicators

Chernov V. Yu.; Gaisin I. G.; Maltseva E. M.; Nosova A. N.

База данных: Каталог библиотеки СФУ (S 88)

Библиографическое описание: Strength and thermal conductivity properties of thermowood-cement composition and factors influencing these indicators / V. Yu. Chernov, I. G. Gaisin, E. M. Maltseva, A. N. Nosova. - (Строительные изделия и конструкционные материалы). - Текст : электронный // Magazine of Civil Engineering. - 2024. - Т. 17, № 7. - С. 13107. - Загл. с титул. экрана. - ISSN 2712-8172.

Аннотация: The paper studies the ways that technological characteristics of thermal wood concrete (TWC) production have on its strength and thermal conductivity properties. TWC is a new, effective wood-cement composition of authors development. To produce it the authors used crushed thermally modified wood (TMW) with a certain shape and size as a filler. The research is rationalized by the fact that currently we are facing a lack of both fundamental and applied experimentally confirmed data on TWC. The paper discusses the studies of the compressive strength and thermal conductivity of four groups of TWC samples that were obtained with three types of filler, differing in size and shape, molding method and strength class of cement-sand mortar. The authors determined general impact patterns of the above-mentioned factors on strength and thermal conductivity properties, as well as specific indicators. Moreover, the paper describes the strength classes and grades of TWC that ranged from B1. 5 to B3. 5 and from M25 to M50, respectively. Thermal conductivity for standard samples ranged from 0. 21 to 0. 4 W/ (mK). It has been concluded that TWC with a finer TMW filler has the most balanced combination of strength, thermal conductivity and deformation properties. Following the results, the authors proposed practical recommendations for TWC production, and further courses for its improvement and research.

Год издания: 2024

Авторы: Chernov V. Yu. , Gaisin I. G. , Maltseva E. M. , Nosova A. N.

Источник: Magazine of Civil Engineering

Выпуск: Т. 17, № 7

Номера страниц: 13107

Количество экземпляров:

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Strength and thermal conductivity properties of thermowood-cement composition and factors influencing these indicators
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