Construction method Advanced Technology and All-Element Information Management of Extra-Long Tunnels Based on the actual situation of the Dongshan Tunnel on the Shilou to Fenyang Expressway in Shanxi Province, the article proposes a specialty from the steel structure processing, tunnel advanced geological prediction, excavation, support, waterproofing and drainage, lining, maintenance and civilized
mechanization Economic Principle and Effect Analysis of the New Mechanized Tunnel Scaffold Team Model This paper takes the new mechanized tunnel shelving model of S company, a third -level subsidiary of a large -scale construction enterprise of the central government, as the research object, based on the relevant principles of the new institutional economics,and combined with the primary source
tunnels Digital Reconstruction and Control Technology of Railway Tunnel Construction Equipment in High Altitude Area Aiming at complicated geological conditions, large buried depth, excessive toxic and harmful gases,and high altitude in Sichuan⁃Tibet region, through investigation and analysis of the current situation of large⁃scale mechanical construction equipment in a certain section of Sichuan⁃Tibet Railway
parts search 3222148800 Brand : EPIROCPart No. : 3222148800Description : SensorUse in : Roc D45 , Roc D55 , Roc D7 , Roc D9 , Roc F6 , Roc F9 , Roc L6 , Roc L8 , Roc T15 , Roc T35 , Roc T40
weak surrounding rock Full-section mechanized excavation construction technology of weak surrounding rock tunnel for high-speed railway There are potential safety hazards in the full-section excavation method of tunnels in soft surrounding rock, especially the unpredictability of tunnel face collapse and block falling conditions, which will bring great personal and life threats to construction workers. The Yulongshan Tunnel of the
rock drilling jumbo Strength Analysis and Maintenance of Extended Feed Beam of BOOMER281 This article introduces that in order to improve production efficiency, the production unit lengthened the propulsion beam of the BOOMER281 excavation jumbo and replaced the original BMH2337 propulsion beam of the excavation jumbo with the BMH2343 extended propulsion beam. Whether the strength
vertical shaft construction Application Practice of Drilling and Blasting Technology in Vertical Shaft Construction Taking the shaft construction of No. 2 return air shaft project as an example, based on the analysis of the mechanical conditions of the surrounding rock of the shaft, the paper puts forward the design principles of drilling and blasting parameters and the theoretical calculation basis, then
medium⁃length hole drilling jumbo Research on the Application of Remote Control System for Medium⁃length Hole Drilling Jumbo in Qianyanshan Iron Mine The remote control and even automatic operation of mining equipment is the core of realizing the intelligent construction of mines. In this paper, based on the rock drilling operation in the production area of the Yanyanshan Iron Mine with the sub⁃pillar caving method, the existing Simba1354 medium
Hydraulic rock drill Structure and Failure Analysis of Atlas COP1838ME Rock Drill The COP1838ME rock drill is a rock drilling equipment that has multiple functions such as impact, rotation, propulsion, and flushing. Taking the Atlas COP1838ME rock drill as an example, this article introduces the damage to the main components of the rock drill, analyzes the causes of damage to the
railway single-line tunnel Application of three-arm drilling trolley in efficiency improvement and excess consumption control of railway single-line tunnel construction Based on the application of the three - arm rock drilling trolley in the excavation and drilling construction of a single line railway tunnel, this paper controls the Angle of the excavation cut hole and the surrounding hole through the modification of the beam and the adjustment of the on-site
three arm rock drilling jumbo Research on the Application of Self Regulating Aerosol Slag Removal Technology of Three Arm Rock Drilling Trolley in Long and Deep Buried Tunnels With the continuous improvement of tunnel construction mechanization, three-arm rock drilling jumbos have been widely used. Their drilling method uses high-pressure wind and water for drilling and slag discharge. However, for areas lacking water or unstable rock formations when encountering water
