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bertha tunneling machine

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.

#BerthaCam: Watch the giant boring machine at the end of

Giant tunneling machine Bertha breaks through the north portal wall on Tuesday April 4th, 2017 after years of delays. (Mike Siegel / The Seattle Times) [This live feed is no longer receiving updates.

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10 of the Largest and Strangest Machines in the

While our technical instruments and communication devices keep getting smaller, our machines just keep getting bigger. There is now aircraft large enough

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10 of the Largest and Strangest Machines in the World

While our technical instruments and communication devices keep getting smaller, our machines just keep getting bigger. There is now aircraft large enough While our technical instruments and communication devices keep getting ...

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2018 Standard Occupational Classification System

Plan, direct, or coordinate the operations of public or private sector organizations, overseeing multiple departments or locations.

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24 Digging Machines That Created a World Beneath Our Feet

1908. Machine used in Gary, West Virginia digs the coal and loads it onto the car. With it, three men could do the work of 50 in the old way.

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Agenda | Tunneling Short Course

The Annual Breakthroughs in Tunneling Short Course covers all aspects of conventional and mechanized tunnel design and construction in …

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Alaskan Way Viaduct - Follow Bertha

Follow Bertha Thank you for following Bertha. The SR 99 tunneling machine, nicknamed Bertha, has completed her work. For the latest tunnel progress, visit our new tracker page.

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Alaskan Way Viaduct - Follow Bertha - Washington State

Follow Bertha Thank you for following Bertha The SR 99 tunneling machine, nicknamed Bertha, has completed her work. For the latest tunnel progress, visit our new tracker page. An abbreviated history of Bertha: July 2013: Began tunneling April 2017: Tunnel

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Alaskan Way Viaduct - Home

For decades, surface Alaskan Way stretched along the downtown waterfront, connecting travelers to the waterfront piers and providing north-south passage through downtown.

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Alaskan Way Viaduct - Home - Washington State

First, a short closure and a small shift This weekend, contractor crews working for WSDOT will close southbound State Route 99 in order to pour a new concrete roadway near Seattle’s stadiums. Crews will close southbound SR 99 ...

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Alaskan Way Viaduct - Tunneling

The tunneling machine known as Bertha began tunneling beneath Seattle in July 2013 (photo at right: ... The machine completed its tunneling on April 4, ...

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Alaskan Way Viaduct - Tunneling - Washington State

The tunneling machine known as Bertha began tunneling beneath Seattle in July 2013 (photo at right: the machine's cutterhead being lowered into the launch pit near Seattle's stadiums). The machine completed its tunneling on April 4, 2017 and was on Aug. 2

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Alaskan-Way

Shannon & Wilson has provided geotechnical and environmental services to the Washington State Department of Transportation (WSDOT) since 2001 for the Alaskan Way Viaduct Replacement Program.

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Article expired | The Japan Times

News on Japan, Business News, Opinion, Sports, Entertainment and More

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Bertha (tunnel boring machine)

Bertha was designed and manufactured by Hitachi Zosen Sakai Works of Osaka, Japan, and is the world's largest earth pressure balance tunnel boring machine, at a cutterhead diameter of 57.5 feet (17.5 m) across.

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Bertha (tunnel boring machine) - Infogalactic: the

Bertha was designed and manufactured by Hitachi Zosen Sakai Works of Osaka, Japan, and is the world's largest earth pressure balance tunnel boring machine, …

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Bertha - SR 99 Tunneling Machine - an album on Flickr

Bertha - SR 99 Tunneling Machine These photos highlight the journey of Bertha, the tunneling machine that dug the State Route 99 tunnel beneath downtown Seattle. Visit www.alaskanwayviaduct.org for …

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Bertha - SR 99 Tunneling Machine | Flickr

These photos highlight the journey of Bertha, the tunneling machine that dug the State Route 99 tunnel beneath downtown Seattle. Visit www.alaskanwayviaduct.org for …

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Bertha breaks through: Watch the tunnel boring machine’s

After more than three years of drilling, Bertha’s journey is coming to an end on Tuesday—and the big moment is being livestreamed.

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Bertha Finally Breaks Through In Seattle : The Two

2017-4-4 · It was the world's biggest tunneling machine when it first chewed into the loose dirt and gravel on Seattle's waterfront in 2013. With a cutting head nearly 60 feet wide, it had been built in Japan and shipped across the Pacific to dig a two-mi

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Bertha Finally Breaks Through In Seattle : The Two-Way : NPR

Bertha Finally Breaks Through In Seattle : The Two-Way After a two-year delay for repairs, the giant tunnel-boring machine has completed its mission far beneath the city's streets.

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Bertha reaches daylight - Feb. 19, 2015

Feb 18, 2015 · On Feb. 17, 2015, Bertha, the SR 99 tunneling machine, began mining into the southern wall of the pit crews will use to access and repair the machine. At mid...

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Bertha repair will take longer — there are lots of

2015-5-18 · Bertha, the world’s biggest tunnel-boring machine, overheated and quit digging on Dec. 6, 2013. The machine is stuck near Pioneer Square, some 1,083 feet into the 9,270-foot route from Sodo to South Lake Union.

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bertha tunnel boring machine

Seattle tunnel progress a major contrast to past problems. Bertha, the Seattle tunnel boring machine, is now almost halfway done with the 385-foot distance under the ...

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Bertha Tunneling Machine - Image Results

More Bertha Tunneling Machine images

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