STUDIES OF BOUNDARY ANGEL PARAMETERS IN THE WESTERN DONBASS MINES

Details

Parent Category: Geo-Technical Mechanics, 2013

Category: Geo-Technical Mechanics, 2013, Issue 110

UDC 622.1:622.834

Gvinianidze D.V. (SHEI ”NMU”)

Nazarenko V.A., D. Sc. (Tech.), Professor (SHEI ”NMU”)

Kuchin A.S., D. Sc. (Tech.), Associate Professor (SHEI ”NMU”)

Abstract. Boundary angles of rock displacement were analyzed in Western Donbas. The study shown that normative values of the angles did not conform to factual values received through the in-situ instrumental measurements. The Western Donbas coalfield is located in central area of Ukraine. Coal seams are developed by ten mines. Cap rocks of the deposit are presented by deposition of carbon and silt sedimentations. Thickness of rocks is between 120 m and 600 m, occurrence angel is 3⁰. The seams are developed by mechanized longwalling, length of the longwalls is150-200 m. Length of the panels is 1000 – 2500 m, extracted thickness is not more than 1.5 m. Roof control: full break. The boundary angles define boundary of the stope effect on the surface and depend both on coal seam thickness and angel of the seam occurrence. Values of the angels varies between 55 degrees and 85 degrees. Uncertainty of the boundary angel values causes groundless protection of the undermined objects and constructions.

Keywords: longwall, rocks movement, subsidence, boundary angle.

References:

1. Ukraine Ministry of Fuel and Energy (2004),  Pravila podrabotki zdaniy, soorugeniy i prirodnih objektov pri dobiche uglya podzemnim sposobom. Otraslezoy standart [Terms of undermining buildings and natural sites in underground coal mining. industry Standard], Ukraine Ministry of Fuel and Energy, Kiev, Ukraine.

2. Kuchin, A.S. (2003), “Analysis of the angle parameters of displacement process in the areas of setting of and stop longwall in Western Donbass mines”, Gorniy informacionno-analiticheskiy bulleten [Mining informational and analytical bulletin (scientific and technical journal)], no. 2, Moscow, Russia.

3. Balafin, I.E. (2010), “Analysis of the angular displacement parameters of the Earth's surface in the mines of the Western Donbass”, Naukovyi  visnyk  Natsionalnohо hirnychoho universytetu, no.5, pp. 18-20.

4. Kuchin, A.S. and Pinkovskiy, G.S. (2003), “Analysis of the angular displacement of the process parameters in the area of waste from the lava from working face”, Naukovyi  visnyk  Natsionalnoy hirnychoy akademii Ukrainy, no. 7, pp. 33-36.

About the authors:

Gvinianidze Diana Venianinovna, student of mine surveying speciality, State Higher Educational Institution “National Mining University” (SHEI “NMU”), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. .

Nazarenko Valentin Alekseevich, Doctor of Technical Sciences, Professor, Professor of mine surveying department, State Higher Educational Institution “National Mining University” (SHEI “NMU”), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. .

Kuchin Aleksandr Sergeevich, Doctor of Technical Sciences, Associate Professor, Associate Professor of mine surveying department, State Higher Educational Institution “National Mining University” (SHEI “NMU”), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. .

• < Prev
• Next >