KAMY offers unmatched quality, value, and innovation in our rock and concrete cutting products. Our expertise in engineering and our quality, US manufactured tunneling, mining and construction equipment is unparalleled to others in the industry.
KAMY is the leading manufacturer of roadheaders in the weight class of 13-100 tons weight. Our roadheaders offer interchangeable cutter heads, both transverse and axial and are custom engraved for each project. Our hydraulic cutters are suitable for material with uniaxial compressive strength ranging from 500 to 25,000 pounds per square inch. All of our products can be utilized in a variety of applications from rock excavation, trenching, demolition and concrete, to underwater cutting, tunneling, and scaling.
Technology led the establishment of the quality assurance after-sales service, improve the management system.
Production license of the product ensure that the license number, approval date and expiration date.
Product packaging in line with national regulations, due to packaging damage caused by the products borne.
Any difficulties encountered by customers, we will do our best in the first time to provide perfect service.
Tunnels & Hard Rock - Mining Contractors and Engineers
Tunnels & Hard Rock . Civil tunnel construction is an important part of our work. We have built tunnels for sewers, highways, railroads and hydroelectric projects. They have ranged from a few feet to forty feet in diameter and up to several miles in length.
Hard rock tunnel boring, cutting, drilling and blasting ...
1227 Thuro, K., Plinninger, R.J., Hard rock tunnel boring, cutting, drilling and blasting: rock parameters for excavatability ISRM 2003–Technology roadmap for rock mechanics, South African Institute of Mining and Metallurgy, 2003.
Hard Rock Tunnel Boring | Amund Bruland | updates ...
Hard rock tunnel boring leads the interaction between the rock mass and the machine, which is a process of great complexity. ... the model has been used as a tool for the resolution of disputes ...
Tunnel Construction: Soft Ground and Hard Rock | HowStuffWorks
Hard Rock Tunneling through hard rock almost always involves blasting. Workers use a scaffold, called a jumbo, to place explosives quickly and safely. The jumbo moves to the face of the tunnel, and drills mounted to the jumbo make several holes in the rock.
The Construction of Recent Tunnels in Hong Kong
clients or contractors usually act in an extremely low-profile attitude and requests to visit the ... Hong Kong's geological conditions consist of very hard rock that makes excavation very ... The Construction of Recent Tunnels in Hong Kong Kwai Tsing Tunnel -- KCR West Rail ...
Horizontal Boring LLC | Directional Drilling, Auger Boring ...
We provide Directional Drilling, Auger Boring, Hard Rock Drilling, Tunnel Boring & Hand Tunneling operations in Arizona, Nevada, New Mexico & Texas.
(PDF) Hard Rock Tunnel Boring Vol. 7 - The Boring Process
Hard Rock Tunnel Boring Vol. 7 - The Boring Process ... (project owners, consultants, contractors , manufacturers, etc.) ... based on grading curves from hard rock TBMs ...
HARDROCK TUNNEL CONTRACTORS INC - Find Loads
Hardrock Tunnel Contractors Inc is a licensed and bonded freight shipping and trucking company running freight hauling business from Vancouver, British Columbia. Hardrock Tunnel Contractors Inc USDOT number is 1170358. Hardrock Tunnel Contractors Inc is trucking company providing freight transportation services and hauling cargo.
Hard rock TBM tunneling in challenging ground ...
Hard rock TBM tunneling in challenging ground: Developments and lessons learned from the field. Author links open overlay panel Lok Home. ... At that project, crews operating a Double Shield hard rock TBM in a 25.8 km long tunnel experienced a massive inrush of mud and water.
Tunnelling Contractors (Singapore) Products - Asia Builders
A tunnel is an underground or underwater passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end. Tunnels are dug in types of materials varying from soft clay to hard rock.