Tunnel Excavation Equipment
- Wheel Drilling JumboThe wheel drilling jumbo is mainly used in mining, metallurgy and other departments of the tunnel, culvert tunneling engineering. With...
- Hydraulic Crawler Drilling JumboOur CMJ hydraulic crawler drilling jumbo is a kind of underground crawler jumbo mainly used in roadway and tunnel drilling such...
- Single Boom JumboThe single boom jumbo, also called single boom underground drilling jumbo, is mainly applied in tunneling construction of mining...
- Double Boom JumboThe double boom jumbo is a kind of two boom underground drilling jumbo machine typically used in tunneling construction of mining...
- Rock Drill JumboThe rock drill jumbo, also called rock drilling jumbo or hydraulic rock drill, is a kind of jumbo machine mainly used for loading of coal, rock...
- Underground Jumbo DrillsThe underground jumbo drill is a kind of jumbo for coal mine. And it is mainly made up of mining jumbo, production drill rigs, rock ...
- Explosion Proof JumboThe explosion proof jumbo, also called flameproof jumbo, is a kind of underground crawler drilling jumbo machine widely used in chemical...
- Crawler RoadheaderThe crawler roadheader is a type of underground coal mine roadheader machine mainly used in rock roadway coal mining, semi-coal ...
- Tunnel Roadheader The tunnel roadheader, also called tunneling roadheader or mining road header, is mainly used in underground tunneling both...
Description:
A tunnel is an underground passageway, completely enclosed except for openings for ingress and egress, commonly at each end.
There are three basic types of tunnel construction in general:
1. Cut and cover tunnel which is constructed in a shallow trench and then covered over.
2. Bored tunnel that is constructed in situ without removing the ground above. They are usually of circular or horseshoe cross-section.
3. Immersed tube tunnels, sunk into a body of water and sit on, or are buried just under, its bed.
Here we mainly use drilling jumbo and road header as tunnel excavation equipment to excavate a tunnel cross-section around 3.8m×3.8m to 6m×6m.
In the tunnel construction, these factors such as the ground conditions, the ground water conditions, the length and diameter of the tunnel drive, the depth of the tunnel, the logical supporting of the tunnel excavation, the final use and shape of the tunnel and appropriate risk management should be considered when choosing tunnel excavation equipment. By using the tunnel excavation equipment, the tunnels are dug from soft clay to hard rock.
Different Types of Tunnel Excavation Equipment:
1. Crawler drilling jumbo (crawler jumbo)
(1) Hydraulic crawler drilling jumbo
(2) Single boom jumbo
(3) Double boom jumbo
(4)Rock drill jumbo (hydraulic rock drill)
(5)Underground jumbo drills (jumbo for coal mine)
(6)Explosion proof jumbo (flameproof jumbo)
2. Mucking roadheader
(1) Crawler roadheader
(2) Tunnel roadheader (mining roadheader)