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

Brand : EPIROC
Part No. : 3115336500
Description : Cup Seal
Use in : Cop 1028 , Cop 1132 , Cop Rr11 , Cop Rr14 , Rd 18u , Rd 22u

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

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

Brand : EPIROC
Part No. : 3128076800
Description : Clamp
Use in : Boomer 282 , Boomer K111 , Boomer S1d , Boomer S2

Facing the challenges of high-speed railway tunnel projects, which involve complex geology, high safety risks, and strict quality requirements, a mechanized construction technology system for long tunnels has been proposed. It introduces key equipment and technologies like the three-arm rock

This article, in combination with the construction characteristics of the No. 3 inclined shaft of Fengshun Tunnel, provides a detailed explanation of the construction technology of the three-arm rock drilling jumbo. It compares the excavation construction of the rock drilling jumbo with traditional