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

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

Brand : EPIROC
Part No. : 3115345500
Description : Connect. Plate
Use in : Cop 1238k , Cop 1638hd , Cop 1838+ , Cop 1838hd , Cop 1838hd+ , Cop 1838he+ , Cop 1838mux , Cop 2238 , Cop 2238hd , Cop 2238hd+ , Rd 18u

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

Two-lane and three-lane highway tunnels，this paper analyzes the differences between highway tunnels and railway tunnels from multiple perspectives． Combining the successful experience of fullprocess mechanized design and construction of railway tunnels and the characteristics of two-lane and three

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

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

Brand : MONTABERT
Part No. : 86313228
Description : Socket Head Screw
Use in : Hc 109

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

In China's railway tunnel construction,the drilling-blasting method dominates with an application rate exceeding 70% and is gradually developing towards fullprocess mechanized operation. Drilling jumbos are the key equipment in mechanized drilling-blasting construction, and their configuration