The geological conditions of the single-track long railway tunnel are complex and the construction is difficult. How to speed up the construction efficiency and effectively to ensure the construction quality and safety is one of the challenges in tunnel construction. Based on the mechanized

To address the low efficiency and high risks of the traditional soft rock step excavation method, a large-section soft rock tunnel intelligent blasting excavation technology was developed and applied based on the Baokang Tunnel of the Zhengwan High-Speed Railway project. The technical principles

Brand : EPIROC
Part No. : 3115288900
Description : Pressure Screw
Use in : Cop 1238k , Cop 1638 , Cop 1638hd , Cop 1638hd+ , Cop 1838 , Cop 1838+ , Cop 1838hd , Cop 1838hd+ , Cop 1838mux , Cop 1838mux+ , Cop 2238hd , Cop 2238hd+ , Cop 2550+ , Rd 18u , Rd 22u

Rock drilling jumbos play an important role in tunnel construction. As the main component of a rock drilling jumbo, the performance of the drilling rig determines the overall effectiveness of the jumbo. In practical use, premature wear of drilling rigs often occurs. By studying the structure and

Using the Yubai Tunnel on the Hamu high-speed railway as a case study, this paper looks at full-section tunnel construction in weak surrounding rock. By optimizing drilling and blasting techniques, applying guided fracture controlled blasting, improving shotcrete quality, and reasonably adjusting

With the transformation of tunnel construction in our country towards complex geological conditions and long tunnels, the traditional pneumatic drilling blasting method has gradually revealed its shortcomings in terms of safety, effi ciency and environmental protection. This article systematically

As an important piece of machinery for mechanized tunnel construction, the three-arm rock drilling jumbo has been widely used in tunnel projects. As a key piece of equipment for mechanized tunnel construction, the three-arm rock drilling jumbo has gained broad application due to its efficiency

Brand : SANDVIK
Part No. : 55159454
Description : Guide Strip
Use in : Dd 311 , Dd 321 , Dt 820

With the continuous improvement of social development level, the demand for mineral resources in various fields such as construction, industry, and energy is increasing, and improving the production efficiency of mining areas has become a key focus of attention from multiple parties. Analyze the

To advance the level of mechanized construction in highway tunnels and improve the construction efficiency of largespan highway tunnels, this study conducts research on construction efficiency optimization based on equipment atching. Through statistical analysis of process and time on tunnel