In order to speed up the preparation schedule of coal roadway tunneling in Huainan mining area under normal production sequence,the transportation roadway of 1541(1) working face,a gob side entry driving working face,was taken as the research object. The support design was optimized according to the construction experience, roadway geological conditions and theoretical calculation of bolt mesh(cable) support,increasing the spacing from 0. 9m to 1. 2m in the roadway roof. Practice showed the roadway satisfie...