Influences of Construction Machinery on the Underground Tunnel Excavation Method

During the excavation of large underground tunnels,the construction equipment dominant the construction procedure and excavation methods.According to several examples of underground tunnel excavation,the influences of construction machinery on the tunnel excavation method are analyzed.It shows that the equipment has a significant influence on the general construction scheme.The excavation procedure is directly affected by the performances of construction machineries.And it can't be ignored that different construction machineries have different requirements for the working headroom.