COP 1838 rock drilling Analysis and Prevention of Common Faults in the COP1838 Rock Drilling Currently, medium-deep hole drilling operations are being carried out underground at the Huashugou shaft of the Jingtieshan Mine. The main production equipment includes Amtop Simba H1354 and Simba M4 medium-deep hole hydraulic drilling jumbos, both equipped with imported COP 1838 drilling machines
Three-arm rock drilling platform A Brief Discussion on the Application of Three-Arm Rock Drill Rigs in Highway Tunnel Construction To verify the application effect of the three-arm rock drilling platform in the excavation construction of highway tunnel projects, this paper combines the example of the Jito Tunnel on the Kangxin Highway to focus on the excavation parameter settings of the three-arm rock drilling platform, its
high speed railway Optimization and Benefit Analysis of Mechanized Construction of Full Section Tunnel in Weak Surrounding Rock Combined with Sujiayan Tunnel of Zhengzhou-Wanzhou High-speed Railway，a set of mechanized supporting and optimization schemes suitable for the excavation of a full section tunnel in weak surrounding rock is summarized．It can be obtained through field practice that improving the drilling-blasting
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Highway Tunnels Research on Mechanized Construction Technology Supporting High-Speed Highway Tunnels The construction of highway tunnels is an important part of transportation infrastructure development, and the construction technology directly affects the quality, safety, and efficiency of the project. With the continuous expansion of tunnel project scale and the increasing complexity of
Intelligent Construction Method of Supporting System for Soft Rock Horizontal Layered Large Cross-section Railway Tunnel Based on Intelligent Construction Equipment A construction method for supporting systems of large cross-section railway tunnels in soft rock horizontal layered strata based on intelligent construction equipment is proposed. Various intelligent construction equipment is used, such as intelligent rock drilling machines, intelligent
underground cavern group Optimization of the construction scheme of drilling and blasting excavation in the middle and lower layers of the main cavern of the oil depot of large-scale groundwater sealing stone cave In order to gain an in-depth understanding of the specific differences and pertinences of the drilling and blasting method of the middle and lower layers of the main cavern of the large groundwater sealing cavern, the drilling and blasting method of the reserved protective layer on both sides
New Italian Tunneling Method Research on the Application of New Italian Tunneling Method in Excavation and Support Construction in Complex Geological Tunnels This paper takes the tunnel designed by New Italian Tunneling Method in Georgia as the research object, and analyzes the effect of multi-functional drilling rig, multi-arm rock drilling trolley and wet spray manipulator on the use of large-scale machinery such as multi-purpose drilling rig
high-speed rail tunnel engineering Comparative Study on the Technical and Economic Performance of Two Rock Drilling Machinery in High-speed Rail Tunnel Engineering Briefly describe the general situation and geological structure of a tunnel project in a bid section of the Xi'an-Chengdu high-speed railway, select three-arm rock drilling trolley and other rock drilling machinery for the tunnel project of the bid section, and formulate the drilling and blasting
rock drilling trolley Research and Application of Drilling Induction Device Based on Rock Drilling Trolley After excavation and blasting, tunnels constructed by drilling and blasting often have large over-excavation and difficult to control. In this regard, the impact of over-excavation on tunnel construction and the reasons for over-excavation are deeply analyzed, and combined with the existing
tunnel engineering Research on Full-Section-Micro-Bench Rapid Conversion Construction Technology in Tunnel Engineering Tunnel construction often encounters complex geological conditions. Due to the changes in construction methods, it is necessary to frequently change the excavation trolley, which is easy to delay the construction progress, increase the cost and cause safety risk accidents. Based on this, this paper
