A METHOD OF PLANNING THE CLEANING WORKINGS CONSIDERING PREVENTION AND LIQUIDATION OF PIT-BLOWS, IN COAL-BEDS ESPECIALLY

摘要

A method of planning the cleaning workings considering prevention and liquidation of pit-blows, in coal-beds especially, when for protecting and/or liquidation of pit-blows and/or falling of mining mass, to be determined areas appearing by tectonic process or the zones of two-dimensions or linear preparatory tectonic treatment for the rock displacement due to its working, these serve the orientation for further workings and/or for taking measures to release strains in the winning rock mass, and/or for addition safety of cleaning working.