highway tunnel Highway Tunnel Mechanization Supporting Rapid Construction Technology Based on a certain highway tunnel project, this article discusses the mechanized supporting construction technology, and formulates a feasible mechanized supporting construction plan based on the actual situation, covering various processes such as excavation and invert processing, and introduces
medium-long hole Application of shaft sinking by medium-long hole blasting in Xunke Gold Mine Xunke Gold Mine innovatively adopts Simba1354 jumbos to drill medium⁃long holes in cutting shafts and optimizes the cutting manner, borehole diameter, construction precision, charge structure, and blasting times. Barrel⁃shaped cutting is chosen to offer a free face and compensation room. 120 mm
Highway Tunnels Analysis of Mechanized Construction Technology of Highway Tunnels With the advancement of mechanized construction of highway tunnels, various new technologies and new equipment are gradually introduced into highway tunnel construction. This requires construction units to continuously improve their own mechanized construction levels of highway tunnels to ensure the
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drill-and-blast method Research Status and Development Trends on Intelligent Construction of Drill-and-Blast Tunnels(Ⅱ) the drill-and-blast method possesses greater flexibility and adaptability than the tunnel boring machine method due to its ability to accommodate various tunnel cross-sectional shapes and geological conditions. Consequently, it is more widely applied. Moreover, benefiting from the rapid advancement
drill-and-blast method Research Status and Development Trends on Intelligent Construction of Drill-and-Blast Tunnels (Ⅰ) In recent years, with the intensification of population aging and increasingly harsh tunnel construction environments, the replacement of human labor with machines has become an inevitable trend in the current development of tunnel construction. As one of the two mainstream tunnel construction
rock drilling rig A brief discussion on the application of rock drilling rigs in light blasting of horizontal rock formations in tunnels The tunnel was excavated using a fully computerized rock drilling rig. During the construction process, a series of solutions were adopted based on the geological conditions of the tunnel engineering and the mechanical performance of the fully computerized drilling rig, to continuously optimize the
Winter Olympics Application of Drilling Technology with Dth Hammer in Yingcha Regulating Reservoir Project Yingcha Ｒeservoir Project is an important part of Beijing 2022 Winter Olympic and Paralympic Zhangjiakou Division Area project． The project is characterized by large reservoir excavation depth and high underground water level．Precipitation construction is carried out before the excavation of the
hyperbolic drilling rig Application of Hyperbolic Arm Drilling Trolley in Railway Tunnel Construction 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
excavation drilling rig Use & Maintenance and Management Measures for Excavation Rock Drilling Rig The construction of complex spaces such as tunnels, shafts, and culverts requires the assistance of large-scale mechanical equipment to achieve safe and efficient construction results. In the construction of the new Fuzhou-Xiamen Railway Standard 3 project, the highly intelligent ZYS123 fully
long tunnel Application and Research of Smooth Blasting in Mechanized Construction of Long Tunnel With the rapid development of the transportation industry,the characteristics of short construction period,high construction quality and high construction technology have become more and more prominent in the construction of high - speed railway tunnels. In the long tunnel construction,the blasting
