In order to further improve the level of large-scale mechanized construction of plateau railway tunnels, reduce construction risks, and ensure the construction progress, combined with the characteristics and construction requirements of the surrounding rock of plateau tunnels, the application

With the continuous development of China's social economy, the land transportation system has become increasingly perfect in recent years, and the number of new highway projects has increased. Many highway construction needs to cross mountains, among which tunnel construction has become a key and

Brand : EPIROC
Part No. : 3115342700
Description : Piston
Use in : Cop 2160

In recent years, bolt (anchor cable) support has been widely used in anchor protection of subgrade slopes and underground engineering. In the past, the construction of bolts (anchor cables) generally used hand-held down-the-hole drills (air leg rock drills) to form holes. Hand-held down-the-hole

In the process of vigorously promoting the "Belt and Road" policy in my country, more and more engineering contracting companies have responded to the call of "going global" and participated in the competition in the international market. It has become a new normal for construction companies to

Based on the Jinyun Mountain Tunnel project of the Chongqing-Kunming high speed railway Chongqing-Yibin section， this paper explored the key technologies and equipment for mechanized construction. The results show that the improved three arm rock drilling trolley can adapt to the conversion of

Taking a highway project as an example, based on the mechanized supporting construction plan, this paper focuses on the advanced geological prediction, excavation, support, invert, lining and other key technologies of tunnel mechanization supporting, and through comparative analysis of traditional

Brand : EPIROC
Part No. : 6060001336
Description : Seal Kit
Use in : Simba H1354

In the process of rapid development of infrastructure construction, many highway construction projects have been approved and invested in various cities, and in some cases, it is inevitable that highway tunnel construction will be involved. Highway tunnel construction not only involves a series

The exploration of the progress and trend of underground metal mining technology and down-the-hole drills is beneficial to the healthy development of the mining industry. Therefore, this paper conducts a detailed exploration of the progress and trend of underground metal mining technology and