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Abstract
The paper presents a method of assessment of geological mining conditions which affect the choice of the respective mining technology and the effects of the rock pressure in longwall workings. There is outline principal classification of ground falls in mine workings which is based on their causes, i, e, the genetic classification of ground falls, Simultaneously, principal preventive means of several most frequently encpuntered types of ground falls are indicated.
Keywords:
xpenx,
Ground Fall,
noaaep,
genetic classification,
peq,
xpenh,
prevention,
nopo,
ueOOXO,
metals & mining
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1973. Permission to distribute - International Society for Rock Mechanics
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