METHOD FOR CONTROL OF ROCK PRESSURE AT CHAMBER DEVELOPMENT OF FLAT-LYING POTASSIUM SEAMS

FIELD: mining industry. SUBSTANCE: this can be used in development of flat-lying potassium seams at small thickness of water-protection bed and nonuniform extraction of ore. According to method, created in process of development are interchamber and relieving pillars. Relieving pillars are formed of...

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Bibliographic Details
Main Authors CHELPANOVA E.V, ARTEMOV V.G, PAPULOV L.M
Format Patent
LanguageEnglish
Published 27.01.1998
Edition6
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
MINING OR QUARRYING
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Summary:FIELD: mining industry. SUBSTANCE: this can be used in development of flat-lying potassium seams at small thickness of water-protection bed and nonuniform extraction of ore. According to method, created in process of development are interchamber and relieving pillars. Relieving pillars are formed of width at which degree of their loading reaches unit after crushing of interchamber pillars. EFFECT: high efficiency. 1 dwgi
Bibliography:Application Number: RU19960111743