Roadheader
image

bertha world's largest tunnel-boring 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.

Thriller Story: Magestic: Part 1 by gwresearch

Thriller Story: Part 1 - A time traveller, a medical rescue charity and the end of the world. But what is the connection? If you travelled back to 1985, armed with what you know now, could you fix the planet? Could you prevent wars ...

Learn More

Big Bertha, world's largest tunnel-boring machine, arrives

With a 57-foot diameter and a length of a football field, Big Bertha is the world’s largest tunnel-boring machine. She’s quite hefty too. Bertha is assembled from 41 parts, the largest of ...

Learn More

Sand Grinds World's Largest Tunneling Machine To

2014-3-1 · Contractors working for the state of Washington are planning a high-stakes operation to rescue Bertha — the world's largest tunneling machine. Bertha is supposed to be boring a 2-mile highway tunnel under downtown Seattle, but it got stuck in D

Learn More

Cut down - definition of cut down by The Free Dictionary

There have been two or three fine old trees cut down, that grew too near the house, and it opens the prospect amazingly, which makes me think that Repton, or anybody of that sort, would certainly have the avenue at Sotherton down: the avenue that leads fr

Learn More

Big Bertha, world's largest tunnel-boring machine, arrives in

The “Big” in Bertha’s name isn’t there for the catchiness. It’s there because it’s apt. With a 57-foot diameter and a length of a football field, Big Bertha is the world’s largest tunnel-boring machine.

Learn More

Bertha – The World’s Largest Tunnel Boring Machine

Perhaps you’ve heard of Bertha, the World’s Largest Tunnel Boring Machine or TBM? She’s currently working her way underneath Downtown Seattle, excavating the Alaska Way Bored Tunnel to replace the aging Alaska Way Viaduct. This $2 Billion megaproject is …

Learn More

Building Materials & Construction

Wednesday afternoon, representatives from Teamsters Local 174 joined hundreds of other union members from within the Building Trades at Seattle’s City Hall to send a clear message to the Seattle City Council: NO HEAD TAX. The ...

Learn More

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.

Learn More

September 2014 - www.orsm.net

Welcome to how do I get insects to like me? Let's try again. It's been a tedious week, one in which I had to mentally prepare myself to possibly delay the update for a few days. Hate, hate, hate, doing that. Except for the week or ...

Learn More

decay - Dizionario inglese-italiano WordReference

Collocations: [tooth, bone, gum] decay, [prevent, avoid] [tooth] decay (by), avoid decay by [brushing, cleaning, rinsing] regularly, more...

Learn More

The World's Largest Tunnel-Boring Machine | Popular Science

After a 2001 earthquake severely damaged the double-decker section of Seattle’s Route 99 highway, state and city officials decided to move the main thoroughfare underground. In July, they unleashed Bertha, the world’s largest-diameter tunnel-boring machin

Learn More

Meet Big Bertha, The World's Largest Tunnel Boring Machine

Big Bertha was manufactured and supplied by the Hitachi Zosen Corporation to Seattle Tunnel partners for the SR 99 tunneling project. It measures 57.2 feet (57.2 m) in diameter, which makes it the largest tunnel boring machine in history.

Learn More

Bertha’s boo-boo: Why the world’s largest tunnel boring

It’s been two months since the world’s largest tunnel boring machine stopped drilling underneath Seattle, but now the state Department of Transportation has an idea of what’s keeping Bertha ...

Learn More

Mysterious 'unknown object' blocks progress of huge

2013/12/22 · What is the mysterious 'unknown object' blocking progress of huge drilling machine boring out new highway below Seattle? The highway tunnel is being dug 45 feet below ground It is being drilled by the world's largest ...

Learn More

Bertha breaks through: World's largest boring

To do this, the Washington State Department of Transportation (WSDOT) and main contractor Seattle Tunnel Partners (STP) commissioned the Hitachi Zosen Corporation of Japan to build the world's largest tunnel boring machine.

Learn More

EnviroIssues

×Close Lisa Wharf. For the past 15 years Lisa has immersed herself in the world of visual communications. As the senior art director, she knows creating effective brands and communication materials involves the right mix of words and visuals.

Learn More

Make Your Own "Useless Machine" | Mental Floss

Three football fields could fit inside the National Ignition Facility, which holds the largest, most energetic, and most precise laser in the world (it also has the distinction of being the world's largest optical instrument).

Learn More

RETC 2018 | Rapid Excavation & Tunneling Conference

RETC is proud to present more than 21 technical sessions featuring the leading practitioners in the tunneling industry from across the U.S. The primary focus of the technical program is to add value to the industry through examination of the most innovati

Learn More

Swarf

Swarf, also known as chips or by other process-specific names (such as turnings, filings, or shavings), are pieces of metal, wood, or plastic that are the debris or waste resulting from machining, woodworking, or similar subtractive (material-removing) ma

Learn More

The World's Largest Tunnel-Boring Machine Must Be Saved

The World's Largest Tunnel-Boring Machine Must Be Saved. Bertha has stalled deep beneath Seattle, leaving the city's planned waterfront renaissance hanging in the balance.

Learn More

August 2013 - www.orsm.net

Welcome to Orsm.net. That's Aussies for you. Nothing quite like a week off... except maybe two weeks or more but let's not get greedy. What I did get however was a staycation... aka a retarded word meant to indicate I holidayed at ...

Learn More

Seattle's Big Bertha Tunneling Machine Is Finally Back on Track

Seattle's Big Bertha Tunneling Machine Is Finally Back on Track. ... Now the Seattle tunnel boring machine is finally back on ... The World's 30 Most Impressive Ways ...

Learn More

Nossaman LLP | Construction Contract, Design-Build

Patrick D. Harder, chair of Nossaman's Infrastructure Practice Group, is widely known for leadership in the field of public-private partnerships (P3s) and other innovative project delivery methods such as design-build and construction manager at-risk.

Learn More

UPDATE - SLIDESHOW: Bertha, the world’s largest tunnel

Bertha, the world's biggest tunnel boring machine, is now docked at Pier 46 on April 6. She'll be assembled over the next several months before tunneling two miles below downtown Seattle's waterfront to replace the aging Alaska Way Viaduct.

Learn More

Bertha, The Giant Tunnel-Boring Machine Stuck Under Seattle

The world's largest tunnel-boring machine, nicknamed Bertha, has been stuck beneath Seattle for over a year amid its efforts to build a pathway for an underground highway to replace one that is currently obstructing the city's waterfront.

Learn More

Hemisphere | Definition of Hemisphere by Merriam

2018-7-7 · However, there has never been a Nipah infection in the U.S., or even in this hemisphere, Dr. Schaffner notes. — korin miller, SELF, "What to Know About the Rare and Deadly Nipah Virus," 29 May 2018

Learn More

Oil-Electric: Shoebox #1, Canadian Collieries (Dunsmuir

Canadian Collieries (Dunsmuir) Limited #17, Snoqualmie Washington, date unknown. Years ago I bought a shoebox full of locomotive photographs at a bookstore at the Pike Place Market in Seattle.

Learn More

Bertha breaks through: World's largest boring machine

The normally sedate city of Seattle sounded more like the set of a science fiction epic today as the world's largest boring machine roared and screeched its way into the open air. The tunnel boring machine, better known as "Bertha" cut through a wall of r

Learn More

Meet Big Bertha, The World’s Largest Tunnel Boring Machine

Bertha is filled with cutting edge (no pun intended) tunneling technology and safety features; as one would expect for its size and weight. Though there were some known boring setbacks along the projects progression, however, Big Bertha eventually complet

Learn More

World's largest tunnel boring machine lands in Seattle

World's largest tunnel boring machine lands in Seattle Known affectionately as Bertha, this tunnel boring machine has the widest diameter of any boring machine ever built; 57.5 feet.

Learn More

Add an Inquiry

Hotline

+86-21-57674157

Mobile Phone

+86-21-57674157