Influencing factor analysis and control measures for speedy excavation in fully mechanized mining roadway

To solve the existing problems, such as low mining rate of coal and tension mining replacement triggered by slow roadway excavation in Linyi Mining, this paper analyzed the main influenced factors and control methods of the speedy excavation of tunnel via comprehensive investigation method, taking the transportation roadway in the second mining area as an example of specific engineering geological conditions. The research shows that the main influencing factors include complex geological structure, unreasonable support of design scheme and working procedure, complex transportation system and defective personnel and equipment management. Based on those factors, the control measures, such as strengthening geological prediction, optimizing the construction process and auxiliary transportation system as well as innovating management concepts, were proposed, which has effectively solved the current problems and provided guidance and reference for the similar speedy excavation projects. (paper)