Impact of the lining of mining galleries' technical condition on the safety of mining crews

The article deals with the issues related to the impact of the technical condition of the mining gallery: Preparatory, near-wall, main (transport) and ventilation for the safety of mine crews working underground. The author presents an accidental statistics of recent years in underground mining, with particular emphasis on events arising as a result of a rock burst, a collapse, fall of rocks from the roof and the side wall. He describes the current legal status in the field of infarct danger, fall of rocks from the roof and side walls as well as selection and control of the frame support. Control methods of the condition of support of underground workings have been described and attention has been drawn to the fact that the visual method used by most mines to assess the condition of the corridor workings is insufficient due to the safety of working underground.