|
Abstract In order to improve advancing speed of hard rock roadway,No. 8 Mine,Pingdingshan Tian’an Mining Industry was taken as example,the main factors influencing mining speed were analyzed,the corresponding measures were put forward,a set of rapid advancing technology was summarized,the 3 months operation showed that the perfected construction technology and production organization improved the advancing speed from the original 220 m to 402 m,with obvious advancing effect.
|