To the question of maintenance of permanent workings ventilation-waste floor in techtonic stressed zones «Big Gorst» of «Taimyr» mine

Factors complicating drifting processes and barring in situ, disintegrated by tectonic burst- ing are considered. The analysis of stress-strain state formation of rock massif in the vicinity of tectonic disturbance is presented and practical recommendations concerning drifting and barring are given.