bertha tunneling machine

Bertha (tunnel boring machine) - Wikipedia

2018-7-3 · 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.

The World's Largest EPB Shield Tunneling Machine | …

2018-1-19 ·  The world’s largest shield tunneling machine was officially named Bertha on December 20, 2012.

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.

Tunnel boring machine - Wikipedia

2018-7-6 · A tunnel boring machine (TBM), also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.They may also be used for microtunneling.

Inside the Massive Tunnel Seattle Built to Replace ...

2017-10-24 · Now that Bertha's done digging, the new underground highway is nearly ready for human travelers.

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

CNN Student News with transcript Week 8, 2015 - …

CNN Student News with transcript and subtitles, Feb 17-20, 2015

The World's 30 Most Impressive Megaprojects

2015-9-23 · The World's 30 Most Impressive Megaprojects. The biggest and boldest projects on the planet.

The Penguins of Madagascar (Western Animation) - …

2018-7-10 · A description of tropes appearing in Penguins of Madagascar. A spin-off of the Madagascar films that aired on Nickelodeon. It is an All CGI Cartoon featuring …


2018-7-6 · Primarily a "railroad" Blog — but easily distracted by subjects which I find fascinating!

Seattle Now & Then | DorpatSherrardLomont

2018-7-8 · Since 1982, Paul has written his popular column for the Seattle Times Sunday magazine. We will be archiving them here, starting with a handful of more recent contributions and continuing to add more as time and effort permit.

Highlights From The Comments On Cost ... - Slate …

I got many good responses to my Considerations On Cost Disease post, both in the comments and elsewhere. A lot of people thought the explanation was obvious; unfortunately, they all disagreed on what the obvious explanation was.


2016-10-27 · INTRODUCTION. In Jan. '96, I bound the first copies of The Illuminati Formula Used to Create Undetectable Total Mind-Controlled Slave. Hundreds of people in the United States and other countries were reading this book, and were expressing their appreciation and praise for the work.


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