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.
How do you build an underwater tunnel? | HowStuffWorks
How do you build an underwater tunnel? by Nicholas Gerbis NEXT PAGE . A worker pauses for a second inside the Channel Tunnel in April 1992. ... Underwater tunnels, too, are surprisingly old. Sometime between 2180 and 2160 BCE, the Babylonians built one of the first known examples by diverting the Euphrates River.
Norway Building Underwater Tunnels | NowThis - YouTube
Another new method of creating underwater tunnels is the cut-and-cover method. To use this method, builders dig a trench in the riverbed or ocean floor. They then …
Tunnel - Wikipedia
9/24/2018 · Underwater tunnels. As the name indicates, these tunnels go under rivers, lakes, canals, and in the case of the “Chunnel,” straits such as the English Channel. These are the hardest tunnels to build, as water has to be kept away from the tunnel during and after construction.
How Do You Build a Tunnel Underwater? | Wonderopolis
Tunnels are some of the most amazing displays of engineering. They handle traffic in efficient ways, and are laid sometimes through mountains and even water to meet the needs of highways and roads. Read on below for the 10 longest underwater tunnels in the world.
How to Build a Tunnel: 14 Steps (with Pictures) - wikiHow
The ability to drive or hop a train from Alaska to Russia, or from London to New York, is one that will fascinate many. It shouldn't, though, because it might be possible in the future, thanks to a series of proposals to build bridges and underwater tunnels that would link continents.
The 10 Longest Underwater Tunnels in the World | TheRichest
How do you build an underwater tunnel? by Nicholas Gerbis Bridge (Under) Troubled Waters . Prev NEXT ... between the United Kingdom and France. Finished in 1994, the Chunnel's underwater portion accounts for 24 of its 31 total miles (38.6 of 50 kilometers) but plunges only 246 feet (75 meters) deep ... Tunnels are dangerous, ...
how to make tunnels underwater - muntiparaisofoundation.org
How are underwater tunnels built? ... It took nine years to finish a 1,200-foot passage below the Thames River in London-the first underwater tunnel in the world-but Brunel was knighted for his ...