Енергоефективний матеріал із використанням ливарного відходу машинобудівного виробництва

Калиниченко, В.; Вірич, С.; Подкопаєв, С.; Ляшок, Я.

dc.contributor.author	Ляшок, Я.
dc.contributor.author	Подкопаєв, С.
dc.contributor.author	Вірич, С.
dc.contributor.author	Калиниченко, В.
dc.date.accessioned	2023-11-09T09:47:56Z
dc.date.available	2023-11-09T09:47:56Z
dc.date.issued	2023
dc.identifier.uri	http://ir.stu.cn.ua/123456789/29007
dc.description	Ляшок Я. Енергоефективний матеріал із використанням ливарного відходу машинобудівного виробництва / Я. Ляшок, С. Подкопаєв, О. Повзун, С. Вірич, В. Калиниченко // Технічні науки та технології. - 2023. - № 2 (32). - С. 340-354.	uk_UA
dc.description.abstract	У роботі надано технологію ніздрюватого бетону із застосуванням як кремнеземистий компонент ливарного відходу – кондиційованих відпрацьованих формувальних сумішей ливарного виробництва машинобудівних підприємств. За показниками кратності і стійкості піни, а також за впливом складових ніздрюватобетонних сумішей на утво-рення пор у матеріалі визначено найефективніший піноутворювач. Встановлено оптимальний режим тепловологісної обробки пінобетонних зразків. Обґрунтовано відповідність досліджуваного пінобетону на основі відходу ливарних цехів машинобудівних заводів вимогам державних стандартів України.	uk_UA
dc.language.iso	uk	uk_UA
dc.publisher	Чернігів : НУ "Чернігівська політехніка"	uk_UA
dc.relation.ispartofseries	Технічні науки та технології;№ 2 (32)
dc.subject	spent molding compounds	uk_UA
dc.subject	foaming agent	uk_UA
dc.subject	multiplicity and stability of foam	uk_UA
dc.subject	foam concrete	uk_UA
dc.subject	відпрацьовані формувальні суміші	uk_UA
dc.subject	піноутворювач	uk_UA
dc.subject	кратність і стійкість піни	uk_UA
dc.subject	пінобетон	uk_UA
dc.title	Енергоефективний матеріал із використанням ливарного відходу машинобудівного виробництва	uk_UA
dc.title.alternative	Energy-efficient material with the use of machine-building production foundry waste	uk_UA
dc.type	Article	uk_UA
dc.description.abstractalt1	In order to save energy and natural resources in Ukraine and the world, new principles are applied during the design of energy-efficient buildings. Therefore, there is a need to create and improve the low-energy production of heat-insulating and structural-heat-insulating energy-efficient wall materials. One of the measures to ensure the fulfillment of the main requirement for energy saving and energy efficiency is the design of constructive solutions for elements of the thermal insulation shell of buildings, taking into account changes in the thermo-physical characteristics of materials during the operation of the products. The use of industrial waste and secondary raw materials in energy-saving technologies of building materials will help reduce the cost of their production and is an effective means of pollution control. Energy-consuming during production and inefficient during operation, traditional wall materials (ceramic brick, expanded clay concrete, expanded clay) have been pushed out of the construction market due to the constant increase in the price of energy carriers and increased values of the enclosing structures heat transfer thermal resistance. Analysis of publications and experience of modern construction shows that one of the highly effective wall materials is aerated concrete of various types. The technological parameters of the aerated concrete mixture preparation using spent molding mixtures of foundry pro-duction have not been developed. The purpose of the article is to substantiate the expediency of producing porous material based on spent molding mixtures from foundries of machine-building plants. The study of six foaming agents from local production on their foaming ability is presented in the work. The multiplicity of foam formation and the stability of the technical foam prepared on them were determined. The influence of the components of aerated concrete mixture on the pore-forming ability of foaming agents was studied. The technological parameters for the preparation of the powdered mixture using the most effective foaming agent tested in the work - saponified wood resin - have been developed. In terms of physical and mechanical properties, the studied concrete based on spent molding mixtures of foundry construction of machine-building enterprises meets the requirements of the state standards of Ukraine. On the basis of determining the properties of technical foam (multiplicity, stability) of six foaming agents from local manufacturers with different concentrations of the working solution, the most effective foaming agent was found, which is saponified wood resin. The technological parameters for the preparation of foam concrete mixture based on used molding mixtures from foundry production of machine-building plants have been developed. The implementation of used molding mix-tures from foundries of machine-building enterprises as a siliceous component in aerated concrete (for a complete replacement of the traditional siliceous component - quartz sand) makes it possible to achieve required grade for the average density and compressive strength limit of foam concrete in the dry state without increasing cement consumption. Utilization of foundry waste from machine-building production contributes to solving environmental problems and reducing costs for the production of energy-efficient construction materials and products. In further research, it is advisable to pay special attention to solving the problem of reducing set of strength period for foam concrete mixture plastic strength, as well as reducing the settling of the porous mass, which will lead to a decrease in the average density of foam concrete products.	uk_UA