METHOD PREVENTING GAS DYNAMIC DISINTEGRATION OF ROCK IN MINE WORKING

METHOD PREVENTING GAS DYNAMIC DISINTEGRATION OF ROCK IN MINE WORKING

FIELD: mining industry, prevention of gas dynamic manifestations from soil in mine workings, specifically, in potassium mines. SUBSTANCE: gas pressure is reduced by loosening rock mass, by displacement and separation of rocky soil in working. Simultaneously with driving of working in rocky soil cut...

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Hauptverfasser: ALYMENKO N.I, MININ V.V, BUSHUEV JU.P, NESTEROVA S.JU, CHISTJAKOV A.N, ANDREJKO S.S
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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creator ALYMENKO N.I
MININ V.V
BUSHUEV JU.P
NESTEROVA S.JU
CHISTJAKOV A.N
ANDREJKO S.S
description FIELD: mining industry, prevention of gas dynamic manifestations from soil in mine workings, specifically, in potassium mines. SUBSTANCE: gas pressure is reduced by loosening rock mass, by displacement and separation of rocky soil in working. Simultaneously with driving of working in rocky soil cut is formed and way for gas outlet is secured. As result displacement of rocks into machine cut takes place accompanied by separation of rocks which leads to reduction of formation and gas pressure. Formation pressure falls due to destruction and displacement of rocky soil into newly formed space of machine cut. Gas pressure drops thanks to destruction and displacement of rocky soil into newly formed space of machine cut and spaces carrying gas enlarge in volume and gas leaves through cracks into mine working. The greater side component of formation pressure, the more is active process of displacement and separation of rocks occurs, the lower gas pressure turns and probability of gas dynamic destruction of rock in mine working diminishes. EFFECT: increased efficiency of reduction of formation and gas pressure on rocky soil of mine working. 2 dwg
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EFFECT: increased efficiency of reduction of formation and gas pressure on rocky soil of mine working. 2 dwg</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
title METHOD PREVENTING GAS DYNAMIC DISINTEGRATION OF ROCK IN MINE WORKING
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