This paper briefly introduces the features and laws of gas discharge from coalway′s comprehensive driving faces, and puts forward some controlling and solving measures for the gas discharge from coalway′s comprehensive driving faces.

Coal roadway tunneling is one of the basic production processes of coal mine, Therefore research and development of coal roadway tunneling simulation system(CRTSS) based on VR technology has important theoretical value and pr.

This paper mainly focused on the gas emission law of coal wall for the double tunneling working faces.

Controlling measures of methane and coal dust and ventilation method in fully mechanized excavation face;