sibadiНаучный рецензируемый журнал "Вестник СибАДИ"The Russian Automobile and Highway Industry Journal2071-72962658-5626The Siberian State Automobile and Highway University10.26518/2071-7296-2026-23-1-90-101WSYLVRsibadi-2156Research ArticleСТРОИТЕЛЬСТВО И АРХИТЕКТУРАCONSTRUCTION AND ARCHITECTUREКомпозиции на основе золошлаковых отходов ТЭЦ и силиката натрияCompositions based on ash and slag wastes from thermal power plants and sodium silicatehttps://orcid.org/0000-0002-4251-4814РешетоваА. А.ReshetovaA. A.

Решетова Антонина Александровна – канд. техн. наук, доц. кафедры «Строительные материалы». Author ID: 739923.

625000, Тюмень, ул. Володарского, 38

Reshetova Antonina A. – PhD, Associate Professor, Building Materials Department, Author ID: 739923.

38, Volodarsogo Street, Tyumen, 625000

reshetovaaa@tyuiu.ruhttps://orcid.org/0000-0003-4912-738XМедведеваЭ. Н.MedvedevaE. N.

Медведева Эльза Назифовна – канд. техн. наук, доц. кафедры «Строительные материалы». Author ID: 767501.

625000, Тюмень, ул. Володарского, 38

Medvedeva Elza N. – PhD, Associate Professor, Building Materials Department, Author ID: 767501.

38, Volodarsogo Street, Tyumen, 625000

medvedevaen1@tyuiu.ruhttps://orcid.org/0009-0009-5277-7157УсоваЕ. Л.UsovaE. L.

Усова Елена Леонидовна – канд. техн. наук, доц. кафедры «Строительные материалы». Author ID: 759128.

625000, Тюмень, ул. Володарского, 38

Usova Elena L. – PhD, Associate Professor, Building Materials Department, Author ID: 759128.

38, Volodarsogo Street, Tyumen, 625000

usovael@tyuiu.ruПлесовскихМ. С.PlesovskihM. S.

Плесовских Максим Станиславович – магистрант.

625000, Тюмень, ул. Володарского, 38

Plesovskih Maksim S. – Post-graduate student.

38, Volodarsogo Street, Tyumen, 625001

PlesovskikhMS@rusgeology.ruhttps://orcid.org/0000-0002-0178-7509КоролеваО. И.KorolevaO. I.

Королева Ольга Игоревна – канд. техн. наук, доц. кафедры «Строительные материалы». Author ID: 791875.

625000, Тюмень, ул. Володарского, 38

Koroleva Olga I. – PhD, Associate Professor, Building Materials Department, Author ID: 791875.

38, Volodarsogo Street, Tyumen, 625000

koroljovaoi@tyuiu.ruТюменский индустриальный университетРоссияIndustrial University of TyumenRussian Federation20262402202623190101Copyright © Решетова А.А., Медведева Э.Н., Усова Е.Л., Плесовских М.С., Королева О.И., 20262026Решетова А.А., Медведева Э.Н., Усова Е.Л., Плесовских М.С., Королева О.И.Reshetova A.A., Medvedeva E.N., Usova E.L., Plesovskih M.S., Koroleva O.I.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestnik.sibadi.org/jour/article/view/2156Введение

Введение. Главная идея экономики замкнутого цикла заключается в максимальном вовлечении отходов промышленности в производство материалов и снижении доли вовлечения природных ресурсов. Золошлаковые отходы (ЗШО), образующиеся при сгорании угля на теплоэнергетических станциях и складируемые в золоотвалах, представляют собой перспективное вторичное сырье для получения искусственных керамических заполнителей.

Материалы и методы

Материалы и методы. В данной работе исследованы физико-химические свойства ЗШО и подобран оптимальный состав на их основе с применением водного раствора силиката натрия в качестве связующего. Методом пластического формования получены цилиндрические образцы, которые были обожжены при температуре 900–1000.

Результаты

Результаты. Установлено, что с применением в качестве связующего водного раствора силиката натрия с массовой долей 25% можно получить методом пластического формования образцы с прочностью на сжатие 7–9 МПа и средней плотностью 1200–1250 кг/м3, при температуре обжига 950–1000°C. Полученные характеристики указывают на потенциальную пригодность материала в качестве искусственного керамического заполнителя для бетона.

Обсуждение и заключение

Обсуждение и заключение. Данный состав впоследствии планируется опробовать в качестве легкого заполнителя в составе бетона.

Introduction

Introduction. The main idea of the circular economy is to maximize the use of industrial wastes in the production of materials and reduce the use of natural resources. Ash and slag wastes (ASW), generated during coal firing at thermal power plants and stored in ash-disposal dumps is a promising secondary raw material for the production of artificial ceramic aggregates.

Materials and methods

Materials and methods. This study investigates the physicochemical properties of ASW classified as Class F according to ASTM C618, an optimal composition based on these wastes is determined, aqueous sodium silicate solution being used as a binder. Cylindrical samples are produced by plastic molding and fired at temperatures of 900-1000°C.

Results

Results. It has been established that using 25% aqueous sodium silicate solution as a binder by plastic molding can produce samples with a compressive strength of 7-9 MPa and density of 1200-1250 kg/m³ at firing temperatures of 950–1000°C. These characteristics indicate the material’s potential suitability as an artificial ceramic aggregate for concrete.

Discussion and conclusion. Further research implies testing this composition as lightweight aggregate in concrete.

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