constructionСтроительство и реконструкцияBuilding and Reconstruction2073-7416Орловский государственный университет имени И.С. Тургенева10.33979/2073-7416-2025-119-3-86-98construction-925Research ArticleБЕЗОПАСНОСТЬ ЗДАНИЙ И СООРУЖЕНИЙBUILDING AND STRUCTURE SAFETYВлияние коррозии на физико-механические свойства стальных элементовInfluence of corrosion on physical and mechanical properties of elements of truss structuresМацеевичТ. А.MatseevichT. A.

Мацеевич Татьяна Анатольевна - д. ф-м. н, профессор, 

 г. Москва.

Matseevich Tatiana A. - Doctor of Physical and Mathematical Sciences, Professor,

Moscow.

matseevichta@mgsu.ruДанковС. А.DankovS. A.

Данков Савелий Андреевич - аспирант,

г. Москва.

Dankov Saveliy A. - Postgraduate Student,

Moscow.

olimp.botek@mail.ruФГБОУ ВО «Национальный исследовательский Московский государственный строительный университет» (НИУ МГСУ)National Research Moscow State University of Civil Engineering202520072025038698Copyright © Мацеевич Т.А., Данков С.А., 20252025Мацеевич Т.А., Данков С.А.Matseevich T.A., Dankov S.A.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/925

В работе рассмотрен экспериментальный метод оценки деградации физико-механических свойств стальных элементов, подверженных ускоренной коррозии. 

Исследование основывается на испытаниях образцов из стали Ст3пс с тремя выборками по типам профильных сечений (круглое, прямоугольное, уголок). Методика включает два этапа: электрохимическую коррозию в 5% растворе NaCl с фиксацией потери массы и толщины стенок образцов, а также механические испытания на растяжение эталонных полос, полученных, в соответствии с ГОСТ 7564-73. Для проверки изменения физико-механических свойств металла от действия коррозии и конкретно его охрупчивания экспериментально проверялась зависимость коррозионной стойкости стальных элементов от формы их поперечного сечения и геометрических параметров.

The paper considers an experimental method for assessing the degradation of physical and mechanical properties of steel elements subjected to accelerated corrosion. 

The study is based on tests of St3ps steel specimens with three samples by types of profile sections (round, rectangular, angle) The methodology includes two stages: electrochemical corrosion in 5% NaCl solution with fixation of mass loss and wall thickness of samples, as well as mechanical tensile tests of reference strips obtained in accordance with GOST 7564-73. To check the change of physical and mechanical properties of the metal from the action of corrosion and specifically its embrittlement, the dependence of corrosion resistance of steel elements on the shape of their cross-section and geometric parameters was experimentally tested.

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