Large-Span Highway Tunnel Research on Construction Efficiency Optimization of Large-Span Highway Tunnel Based on Mechanized Equipment Matching 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
drilling jumbo Analysis of Configuration Types and Efficiency of Drilling Jumbos in Mechanized Construction of Railway Tunnels 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
Large tunnels Research on Matching Mechanized Technologies for Drill and Blast Method in Long and Large Railway Tunnels 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
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three-arm rock drilling jumbo Application of Three-Arm Rock Drilling Jumbo in Small Section Tunnel Construction 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
Multi-Arm Rock Drilling Jumbos Analysis of the Necessity of Multi-Arm Rock Drilling Jumbos in Long Tunnels This article compares manual operations and multi-arm drilling jumbo blasting in terms of technology, quality, drilling, economy, and safety, mainly providing a detailed comparison from aspects such as construction processes, construction characteristics, and personnel allocation. It ultimately
highway tunnel Adaptive Strategies for Mechanized Drill-and-Blast Construction in Highway Tunnels To enhance the safety and efficiency of mechanized drill-and-blast construction in highway tunnels and address challenges such as difficult mechanized construction and overbreak control in poor rock mass conditions, this paper investigates existing problems and proposes adaptive strategies. Current
high-speed railway tunnel Research on the Application of Large Drilling Jumbos and Intelligent Equipment in the Construction of Long High-Speed Railway Tunnels: A Case Study of the Donghanjia Tunnel on the Shenbai High-Speed Railway Under the background of intelligent construction in engineering, tunnel construction technology is transitioning toward systematic intelligence. This paper takes the Donghanjia Tunnel of the Shenbai High-Speed Railway as an example, integrating the ZYS113 fully computerized three-arm rock drilling
Jumbo modification Technical Implementation of Self-Advancing Long Anchor Bolts Using Rock Drilling Jumbo To address issues such as the inability of humans to install long anchors in weak surrounding rock tunnels and the high cost of specialized foreign equipment, a technical method for installing self-advancing long anchors using a drilling jumbo is proposed, taking the soft rock large deformation
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fully computerized three-arm rock drill jumbo Analysis of Excavation Technology and Main Technical and Economic Indicators of Fully Computerized Three-Arm Rock Drilling Jumbo in High-Speed Railway Weak Surrounding Rock Tunnels The fully computerized three-arm rock drill jumbo is currently the most advanced equipment for mechanized tunnel excavation using the drill-and-blast method. It has unparalleled advantages in the excavation of Class III and higher hard rock tunnels. However, its technical, economic, and
excavation drilling truck Application of Digital Electronic Detonator Blasting Technology Combinedwith Excavation Drilling Truck Rock Drilling in Fankou Lead-Zinc Mine Excavation operation is an important proces in the excavation of tunnels and passages in metal and non-metalunderground mines, providing necessary channels and conditions for subsequent mining, ventilation, power supply, safetymanagement, and other work. It is an important link in mining. Therefore
