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underwater tunnel construction

KAMY is the worldwide leader in manufacturing hydraulic cutters, road headers, tunnel support systems, and other specialized machinery used in the tunneling, mining, and construction industries. Through KAMY’s years of experience and innovative thinking, we can provide custom engineered solutions for nearly any project requiring rock excavation or concrete demolition.

KAMY is the leading manufacturer of roadheaders in the weight class of 13-80 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.

How do you build an underwater tunnel? | HowStuffWorks

Underwater tunnels, like the Marmaray, rely on some extreme construction techniques. Learn more about underwater tunnels at HowStuffWorks.

Immersed-tube Method of Underwater Tunnel Construction

Immersed tube construction of underwater tunnels involves using prefabricated elements that are joined together after their immersion in the places where they are required. They are towed to the tunnel location or floated on specially built barges and then sunk into place. The cross section of the elements is made to the exact requirement of each tunnel and can have different cross sections ...

Tunnel construction - Wikipedia

A tunnel construction is an underground passage provided beneath earth surface or water. Different methods of tunnel construction and their details are discussed. In most of the cases tunnel construction is expensive but it saves time and provides comfort. Large excavation of …

Undersea tunnel - Wikipedia

Underwater Tunnels built across the bottoms of rivers, bays and other bodies of water use the cut-and-cover method, which involves immersing a tube in a trench and covering it with material to keep the tube in place.. Construction begins by dredging a trench in the riverbed or ocean floor.

Methods of Tunnel Construction and Their Details

How are underwater tunnels built? ... To counter the intense pressure above the tunnels during construction-which caused flooding and structural collapses-engineers installed a system of airtight ...

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