tunnel construction

This paper first briefly introduces the equipment composition and main functions of the three-arm drilling jumbo, and elaborates on the working mechanism and process key points of its core mechanisms. On this basis, it focuses on analyzing the main performance parameters of the core mechanism of the

As an important link connecting cities and regions, the construction efficiency and quality of expressways are directly related to the development of national economy and the convenience of people's travel. With the rapid progress of information technology, integrating this high-tech means into the

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 fully computer-controlled rock drilling rig has many advantages such as fast information transmission, powerful functions, and a high degree of mechanized supporting operations. In tunnel construction, it can effectively improve the safety factor of tunnel processing and construction quality

The double bend arm drilling rig WD200E has the characteristics of simple operation, powerful function and smooth running, which is suitable for the construction of various working conditions. Based on the construction example of tunnel project, the paper discusses the structure composition and

With the continuous development of social economy, the scale of tunnel construction in my country is becoming more and more complete. In fact, in order to ensure the personal safety of construction workers, ensure the safety and quality of tunnel construction, and effectively speed up the

The article introduces the performance advantages of the first fully hydraulic computer-guided three-boom rock drilling jumbo imported from Sweden in Shanxi Province, including construction automation control, data acquisition interaction and transmission, laser scanning of tunnel contour surface

With the continuous deepening of the concept of green development, the traditional tunnel construction technology has been unable to meet the needs of environmental protection and green construction. In this regard, the tunnel construction technology that adapts to the green development concept

In the process of tunnel drilling and blasting excavation, the optimization of the tunnel construction process and the precision control of the multi-arm rock drilling rig have an important impact on the construction quality and the progress of the construction period. This paper takes

The paper concerns a modular full-hydraulic rock drilling system. With its modular design, this rock drilling system can be combined easily according to the requirements of design to meet the demands of particular drilling and excavating of the tunnels. Operating on the pressurized fluid

In light of the difference of drilling-blasting construction method and mechanical drilling-blasting construction method in highway tunnel construction，comparatively studies their construction technologies，analyzes differences of artificial drilling-blasting method and jumbo drilling method in