COAL PREPARATION
Original Paper
UDC 622.273.218 © Yu.S. Tyulyaeva 1, A.M. Khayrutdinov 2, 2024
ISSN 0041-5790 (Print) • ISSN 2412-8333 (Online) • Ugol’ – Russian Coal Journal, 2024, № 10, pp. 24-27
DOI: http://dx.doi.org/10.18796/0041-5790-2024-10-24-27
Title
CREATION OF A BACKFILL COMPOSITE BASED ON COAL INDUSTRY WASTE
Authors
Yu.S. Tyulyaeva 1, A.M. Khayrutdinov 2
1 Florida International University (FIU), Miami, Florida, 11200, United States
2 National University of Science and Technology MISIS (NUST MISIS), Moscow, 119049, Russian Federation e-mail: azot-1977@mail.ru
Authors Information
Tyulyaeva Yu.S. – Postgraduate student, Florida International University (FIU), Miami, Florida, 11200, United States, e-mail: tyulyaevayu@gmail.com
Khayrutdinov A.M. – Postgraduate student, Mining Institute, National University of Science and Technology MISIS (NUST MISIS), Moscow, 119049, Russian Federation, e-mail: khayrutdinov.albert99@gmail.com
Abstract
Transitioning from traditional methods of underground coal mining to technology with backfilling of mined space will increase the extraction coefficient and also improve the safety of mining activities. The use of man-made waste in the backfill composite will reduce environmental impact of mining enterprises. The objective of this study is to determine the composition of a backfill composite based on industrial waste. It has been established that it is possible to completely replace the traditional cement binder with fly ash. The inclusion of nanomodified sand in the backfill composite will significantly enhance the strength characteristics of the artificial massif.
Keywords
Coal mining; backfilling technology; artificial massif; fly ash; strength characteristics; backfill composite.
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For citation
Tyulyaeva Yu.S., Khayrutdinov A.M. Creation of a backfill composite based on coal industry waste. Ugol’. 2024;(10):24-27. (In Russ.). DOI: 10.18796/0041-5790-2024-10-24-27.
Paper info
Received August 5, 2024
Reviewed September 16, 2024
Accepted September 26, 2024
