constructionСтроительство и реконструкцияBuilding and Reconstruction2073-7416Орловский государственный университет имени И.С. Тургенева10.33979/2073-7416-2025-119-3-111-119construction-927Research ArticleБЕЗОПАСНОСТЬ ЗДАНИЙ И СООРУЖЕНИЙBUILDING AND STRUCTURE SAFETYРазвитие методологии исследования влияния температуры на механические свойства бетонаDevelopment of methodology for studying the effect of temperature on the mechanical properties of concreteФедоровВ. С.FedorovV. S.

Федоров Виктор Сергеевич - докт. техн. наук, проф., зав. кафедрой «Строительные конструкции, здания и сооружения»,

г. Москва.

Fedorov Victor S. - Doct in Tech. Sc., Prof, Head. of the Dep. of Building Construction, Buildings and Structures,

Moscow.

fvs_skzs@mail.ruЛевитскийВ. Е.LevitskyV. E.

Левитский Валерий Евгеньевич - канд. техн. наук, доц., доцент кафедры «Строительные конструкции, здания и сооружения», 

г. Москва.

Levitsky Valery E. - Candidate in Tech. Sc., Docent, Associated Prof. of the Dep. of Building Construction, Buildings and Structures,

Moscow.

dobriy_vecher@mail.ruФГАОУ ВО «Российский университет транспорта»Russian University of Transport20252007202503111119Copyright © Федоров В.С., Левитский В.Е., 20252025Федоров В.С., Левитский В.Е.Fedorov V.S., Levitsky V.E.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://construction.elpub.ru/jour/article/view/927

Данная статья является первой в цикле статей, посвященных обобщению и анализу многочисленных опубликованных материалов по исследованию механических свойств бетона при нагреве. Необходимость изучения влияния температуры нагрева на механические характеристики бетона обусловлена необходимостью их использования в применяемых практических методиках расчёта по оценке огнестойкости конструкций. Дано представление об объёме имеющихся исследовательских программ, их доступности и различию. Описаны результаты многочисленных и разноплановых исследований прочностных и деформативных характеристик бетона, подтвержденные специальными методами исследования на воздействие температуры. Исследования механических свойств бетона при нагреве проводились по разным методам испытания, различных видов и составов бетона, что привело к большому разнообразию данных, что трудно установить какие-то закономерности. Связь напряжений и деформаций для бетона при нагреве не удаётся получить из опытов в прямом виде и необходима методика определения требуемых характеристик. Сделан вывод о необходимости стандартизации условий испытаний, научного обобщения, структурирования и анализа выявленного многообразия результатов исследования механических свойств бетона при нагреве, способное объяснить существующие закономерности и предсказать новые. 

This article is the first in a series of articles devoted to the generalization and analysis of numerous published materials on the study of mechanical properties of concrete during heating. The need to study the effect of heating temperature on the mechanical characteristics of concrete is due to the need for their use in applied practical calculation methods for assessing the fire resistance of structures. An idea is given about the scope of the available research programs, their accessibility and differences. The results of numerous and diverse studies of the strength and deformation characteristics of concrete are described, confirmed by special methods of studying the effects of temperature. Studies of the mechanical properties of concrete during heating were carried out using various testing methods, different types and compositions of concrete, which led to a wide variety of data, which makes it difficult to establish any patterns. The relationship between stresses and deformations for concrete during heating cannot be obtained from experiments in direct form, and a methodology is needed to determine the required characteristics. The conclusion is made about the need for standardization of test conditions, scientific generalization, structuring and analysis of the revealed variety of results of studying the mechanical properties of concrete during heating, which can explain existing patterns and predict new ones. 

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The authors declare that there are no conflicts of interest present.