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Vol. 9 pp. 214-225

I.V. Bogacheva, M.M. Baidarashvili

GEOECOLOGICAL JUSTIFICATION FOR THE USE OF MODIFIED TECHNOGENIC WASTE IN THE PRODUCTION OF BIORESISTANT CONCRETE

 

Annotation. The relevance of this study is determined by the rapid development of modern scientific thought, which is focused on studying the interaction between man and nature. Special attention is paid to the development of innovative technologies aimed at increasing the reliability and safety of the natural-technogenic environment. One of the key tasks in this area is to minimize the negative impact of natural factors, including mold fungi (micromycetes), on various components of the natural-technogenic system, including concrete building structures. Micromycetes pose a serious threat to concrete structures, causing their destruction, the formation of cracks, an increase in the volume of construction waste, soil pollution, and deterioration of air quality. Mold fungi also pose a danger to human health, causing infectious diseases, allergic reactions, and poisoning. In this regard, the search for effective approaches to protecting concrete structures from biodegradation caused by micromycetes is a critically important task. One of the promising directions in solving this problem is the use of technogenic waste as alternative materials for protecting concrete. This approach not only increases the resistance of structures to biodeterioration but also contributes to reducing the environmental impact through the utilization of secondary resources. The aim of the study is to substantiate the use of pyrite cinder, enriched with fungicidal components, for the production of concrete resistant to biological attack. In solving the tasks set in the work, microbiological, physicochemical, and instrumental research methods were used. The determination of physical and mechanical characteristics was carried out in accordance with the requirements of GOST standards, using certified equipment. The results of the conducted studies show that the introduction of the technogenic waste pyrite cinder, treated with fungicidal substances, is an effective solution. The obtained data allow us to conclude about the prospects of using modified pyrite cinder in the composition of the concrete mixture in order to prevent biodeterioration.

Keywords: mold fungi, biodeterioration, technogenic waste, pyrite cinder, modification, fungicides, bioresistance.

For citation: Bogacheva I.V., Baidrashvili M.M. [Geoecological justification for the use of modified technogenic waste in the production of bioresistant concrete] Upravlenie tekhnosferoi, 2026, vol. 9, issue 1, рр. 214–225. DOI: 10.35634/UdSU.2026.71.46.014. (In Russ.).

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About the Authors

Bogacheva Inna Valeryevna

Postgraduate Student of the Department of Engineering Chemistry and Natural Sciences, St. Petersburg State University of Railways of Emperor Alexander I, 11A Moskovsky Ave., Saint Petersburg, Russia.

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Baidarashvili Marina Mikhailovna

Candidate of Technical Sciences, Associate Professor, St. Petersburg State University of Railways of Emperor Alexander I, 11A Moskovsky Ave., Saint Petersburg, Russia.

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