Serhii Skipochka, Viktor Serhiienko, Volodymyr Amelin, Oleh Sytnichenko, Thibault Faucher. Technological solutions for mining of off-balance gypsum reserves in difficult geological conditions

Details

Parent Category: Geo-Technical Mechanics, 2020

Category: Geo-Technical Mechanics, 2020, № 155

Geoteh. meh. 2020, 155, 123-132

https://doi.org/10.1051/e3sconf/202016800064

 

TECHNOLOGICAL SOLUTIONS FOR MINING OF OFF-BALANCE GYPSUM RESERVES IN DIFFICULT GEOLOGICAL CONDITIONS

¹Serhii Skipochka, ¹Viktor Serhiienko, ¹Volodymyr Amelin, ²Oleh Sytnichenko, ³Thibault Faucher

¹Institute of Geotechnical Mechanics named by N. Poljakov of National Academy of Sciences of Ukraine, ²Additional Liability Company "Siniat", ³ECE Cogemacoustic

Language: English

Abstract. Mining technological solutions for underground mining of off-balance gypsum reserves in difficult mining and geological conditions were justified.An analysis of typical geological disturbances of gypsum seams is carried out using the Artemivsk deposit (Ukraine) as an example. Physical and mechanical properties of rocks in disturbed zones are determined. A quantitative assessment of strength characteristics of rocks during their moistening is carried out. The minimum permissible values of the width of the tape pillar and the power of the protective stack above the camera in the presence of a violation in the roof are calculated. The use of selective mining of the lower part of the seam by combines of the "Roadheader" type is recommended. The maximum width and height of the chamber are determined by the type of combine. The technology has been tested and realized at the gypsum mine of the Additional Liability Company "Siniat".

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