To systematically analyze the research progress in full-process mechanization of drill-and-blast railway tunnels, this study reviews current mechanized construction practices and identifies critical challenges in achieving comprehensive mechanization. Future development directions are proposed based

To address the rock drilling issues in the stage of super-large underground filling mines,and explore efficient rock drilling methods that can reduce costs and increase efficiency, and facilitate rapid commissioning and reaching full production capacity，by applying the comparative analysis method

Brand : EPIROC
Part No. : 3128321986
Description : Bushing
Use in : Boomer 281 , Boomer 282 , Boomer K111 , Boomer S1d

Rock drilling jumbos have rapidly developed in the construction of mountain tunnels using the drill-and-blast method in China. This paper analyzes the applicability, cost, and management patterns of rock drilling jumbos from three different stages: procurement and selection, construction process

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

In order to effectively improve construction efficiency and quality, this study investigates the characteristics and key technologies of large-scale mechanized construction for double-track railway tunnels using the large-section method. Based on a case study of a tunnel project under construction

In order to enhance the overall safety management level of mechanized drilling and blasting operations in high⁃altitude tunnels, through the analysis of the full⁃process systematic mechanized construction practice implemented in high⁃altitude tunnels,solutions were proposed from the perspectives of

Brand : MONTABERT
Part No. : 86732526
Description : O.ring
Use in : Hc 25

During the practical application of the standard Boltec 235 bolting machine in the main and western ore bodies of the Kembibi Copper Mine, issues such as long bolting time, weak drilling machine impact, high failure rate, and low operational efficiency were observed. Based on rock conditions, the

Based on the construction of Class III to V surrounding rock in the Wengjiashan Tunnel project, this study uses on-site experimental statistics and comparative analysis methods to investigate the construction efficiency of traditional manual work versus large-scale mechanical equipment during the