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 and underground excavations | History, Methods, Uses
Tunnels and underground excavations: Tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature’s action in dissolving a soluble rock.Learn More
Dungeons. Of all the strange places that an adventurer might explore, none is deadlier than the dungeon. These labyrinths, full of deadly traps, hungry monsters, and priceless treasure, test every skill a character possesses.Learn More
How are underwater tunnels built? : NoStupidQuestions
ELI5: How underwater tunnels are built? ELI5: How do they build underwater tunnels and seal them? ELI5 how underwater tunnels are built. ELI5 - How are underwater tunnels made? ELI5: How are tunnels built under water without the whole thing collapsing? ELLearn More
The World's Longest Underwater Tunnel
The World's Longest Underwater Tunnel The making of the world's longest underwater tunnel connecting England and France. Trains are the means of transportation which can take you places, can take ...Learn More
How are underwater tunnels built without them flooding? | How
The quick answer: very expensively! The step-by-step answer would be: first, dig a trench on the ocean floor. Then, drop sections of giant concrete tubing into the trench. Seal these sections tightly together to make them waterproof, and to make a reallyLearn More
How are underwater tunnels made? - ivebeenwondering.com
Underwater tunnels can be made in any of the following ways: Using a tunneling shield A tunneling shield is a large, usually cylindrical sheet of metal that has holes in it (it’s obviously much more scientific than that, but let’s keep it brief) that actsLearn More
Work on underwater tunnel for Metro-3 will begin next
MMRC to start work on three underwater tunnels that will make corridor the second such one in the countryLearn More
How are underwater tunnels built without them flooding? – How
How are underwater tunnels built without them flooding? ... Seal these sections tightly together to make them waterproof, and to make a really long tube. Pump all the ...Learn More
How to Make a Tunnel Playground for Your Gerbils: 5 Steps
14/10/2018 · How to Make a Tunnel Playground for Your Gerbils. Making a tunnel playground for your gerbils is very fun and easy, and your gerbils will think that it's fun, too! Also, it doesn't cost that much! When you're finished with toilet paper and...Learn More
ELI5: How underwater tunnels are built? : explainlikeimfive
Basically, you make the tunnel sections out of concrete on land, then you take them to the site on a barge. You dig a trench in the riverbed, drop the tunnel sections into the water, and cover them with rocks to hold them down.Learn More
how to make tunnels underwater - Yahoo Answers Results
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Get Lost in Mega-Tunnels Dug by South American
Mar 28, 2017 · Unknown 20 years go, massive paleoburrows in southern Brazil are a formidable mystery for the handful of researchers who study them.Learn More
Underwater World Pattaya :: The Most Beautiful
Underwater World Pattaya is only one aquarium in Pattaya city, we have gathered a lot of sea creatureswith colorful coral, get it through the large clear acrylic tunnels more than 105 meters that make you see sea creatures all around you 180 degrees as yoLearn More
Underwater tunnels? | Yahoo Answers
10/1/2007 · Traditionally, underwater tunnels have been drilled through the earth by using special excavating machines. The tunnels under the Hudson River in New York City were dug that way, and so was the tunnel under the English Channel.Learn More
Get Lost in Mega-Tunnels Dug by South American Megafauna
Unknown 20 years go, massive paleoburrows in southern Brazil are a formidable mystery for the handful of researchers who study them.Learn More
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Easy Science for Kids All About Tunnels: Types and Uses - learn fun facts about animals, the human body, our planet and much more. Fun free All About Tunnels: Types and Uses activities!Learn More
Blog – Underwater tunnels revolutionize transport in the
A brief history of underwater tunnels. Underwater tunnels may seem fantastical and futuristic, but they have existed since 1843. That year, tourists from around the world came to see the first ...Learn More
Work on underwater tunnel for Metro-3 will begin next month
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Inside Mexican drug cartel narco tunnels on the US border
“Drug traffickers love using tunnels. The Mexico-US border is like a block of cheese with holes in it."Learn More
Tunnels and underground excavations | engineering
Tunnels and underground excavations: Tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature’s action in dissolving a soluble rock, such as limestone.Learn More