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.
DOC Chapter 11 Design and Support of Tunnels: Operational
2. Often used in conjunction with 3. Suitable for rectangular meshing and/or shotcrete in friable roadways and rooms in roof conditions systematic pillar mining 3. Major worldwide mine tunnel 4. Used as a surcharge support support method in conjunction wiLearn More
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Federal Highway Administration 1200 New Jersey ... Steel; Tunnels Home / ... the cost of tunnel construction is largely dependent on the level of effort needed to ...Learn More
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Responding to the demand for further improvements in safety, the last development of the tubular steel arch, with its semi-automatic installation procedure allows for quick and easy installation of the immediate support arches without the intervention ofLearn More
tunnels and underground excavations | History, Methods
In ground providing a reasonable stand-up time, a modern support system uses steel liner-plate sections placed against the soil and bolted into a solid sheeted ...Learn More
CHAPTER 11 DESIGN AND SUPPORT OF
2007-12-31 · The first consideration in the design of a mine tunnel support system should be legislation as this ... to have led to development of the steel arch support.Learn More
Full scale testing of steel arch tunnel supports | Request PDF
The results of a testing program comprising five full scale tunnel steel arch supports are reported. The arches, made from RSJ, were tested by jacking the arch legs against blocking points located ...Learn More
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Brotherhood of Steel | Fallout Wiki | FANDOM
2018-7-6 · The Brotherhood of Steel is a quasi-religious technological military order operating across the ruins of post-War North America, with its roots stemming from the United States Armed Forces and the government-sponsored scientific community fromLearn More
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