Discussion on Sensitive Coal and Gas Outburst Prediction Index During Digging Coal Roadway

摘要

Selection of sensitive coal and gas outburst prediction index and its critical value is the key during coal and gas outburst prediction. Reasonable prediction index and its critical value not only can satisfy the demand of production and make assure of the safety of coal mine, but also can reduce the project quantity of preventing coal and gas outburst and improve the economy efficiency for coal company. This paper analyses and brings forward the critical value about coal and gas outburst in Zhongtai coal mine by the way of collecting and clearing up abundant information and menstruating correlative data, offering reasonable datum or parameter in theory for the digging laneway. The reliability and the rationality have been proved in the practice.