2021, Vol. 8, No. 4. - go to content...

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DOI: 10.15862/09ECOR421 (https://doi.org/10.15862/09ECOR421)

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Kutlumbetova D.A., Nurmukhametova D.A., Borisova I.V., Samofeev N.S. Technical and economic substantiation of the possibility of implementing a project for recycling waste materials from the production of wall and partition blocks at autoclave aerated concrete production enterprises (using the example of Glavbashstroy LLC (Republic of Bashkortostan)). Russian journal of resources, conservation and recycling. 2021; 8(4). Available at: https://resources.today/PDF/09ECOR421.pdf (in Russian). DOI: 10.15862/09ECOR421

Technical and economic substantiation of the possibility of implementing a project for recycling waste materials from the production of wall and partition blocks at autoclave aerated concrete production enterprises (using the example of Glavbashstroy LLC (Republic of Bashkortostan))

Kutlumbetova Diana Ayratovna
Ufa State Petroleum Technological University, Ufa, Russia
Ufa Higher School of Economics and Management
E-mail: volvita@inbox.ru

Nurmukhametova Diana Azatovna
Ufa State Petroleum Technological University, Ufa, Russia
Architecture and Civil Engineering Institute
E-mail: volvita@inbox.ru

Borisova Inna Vladimirovna
Ufa State Petroleum Technological University, Ufa, Russia
Architecture and Civil Engineering Institute
E-mail: volvita@inbox.ru

Samofeev Nikita Svyatoslavovich
Ufa State Petroleum Technological University, Ufa, Russia
Ufa Higher School of Economics and Management
E-mail: volvita@inbox.ru

Abstract. The construction industry market is going through serious crisis as well as the entire global market, and they are not local, but systemic.

Recycling of wastes from construction industry enterprises is currently an extremely urgent problem for most manufacturing enterprises. The solution of these problems involves solving a number of socio-economic and environmental problems, namely, increasing the efficiency and profitability of enterprises and simultaneously complying with annually strict environmental requirements.

The authors studied the possibility of using wastes of wall and partition blocks of autoclaved aerated concrete production in the technological cycle on the example of Glavbashstroy LLC. It was determined that the undercut layer of autoclaved aerated concrete formed in the main production, which requires recycling, can be used as a filler after pre-drying and crushing. There is no significant decrease in quality characteristics, but due to the little-studied nature of the products obtained under operating conditions, it is recommended to use them in non-responsible structures of buildings or partitions.

The technical and economic analysis carried out in the work shows that the implementation of the wastes recycling project in the conditions of Glavbashstroy LLC does not require significant capital expenditures, the enterprise has the possibility to implement such a solution. The risks of project implementation are within the limits of strategic and operational planning. The material consumption of manufactured products is reduced by 1.8 %. The necessary changes in the technological line will require additional labor resources; therefore, the cost of production does not increase in the long term, the profitability of the enterprise remains at a sufficient level.

Keywords: Industrial waste; recycling; construction industry; autoclave aerated concrete (blocks); economic assessment; Technical and economic substantiation

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