Authors: L.A. Strokova, S.A. Dmitrieva

Title of the article: Characteristics of engineering-geological conditions of the of the repair and storage site of Elga coal field in Yakutia

Year: 2018, Issue: 6, Pages: 5-14

Branch of knowledge: Earth sciences

Index UDK: 624.131

DOI: 10.26730/1999-4125-2018-6-5-14

Abstract: The study area is located within the Elga coal field in the Neryungri district of the Republic of Sakha (Yakutia), Russia. The active development of the coal deposit, which is of strategic importance for the economy of the country, began in 2011. The development of the deposit began with the construction of roads, an access railway line "Ulak-Elga". At present, with the introduction of the railway track, the construction of production infrastructure, shift camp, coal-preparation and thermal power plants begins. The article assesses the engineering-geological conditions of the site of repair and storage facilities. This study includes a brief review of relevant literature, and a summary of information obtained from geological survey company files, the defini-tion of the characteristics and techniques of zoning. The main components of the geological environment, such as lithological composition, geomorphological and tectonic conditions, physical and mechanical properties of rocks and soils, hydrological and permafrost-hydrogeological conditions of the area are considered. All infor-mation layers about the natural environment were manipulated and combined to produce uniform engineering geological map. We made a zoning of the territory on the the degree of favorability for the placement of facili-ties. The zoning map shows three different zones such as favourable, acceptable and unfavourable conditions for building construction.

Key words: open-pit mining soil coal geological process physical and mechanical properties zoning

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