Roadheader Suppliers & Exporters - TradeFord

TradeFord.com is a growing Manufacturer Directory and B2B Marketplace connecting Global Roadheader Importers, Exporters, Suppliers, Traders and Manufacturers at a reliable, common platform.

Learn More

Seattle’s tunnel boring machine Bertha reaches end of long

Apr 03, 2017 · Bertha, the machine digging a 1.75 mile tunnel under Seattle to replace a waterfront bridge with an underground roadway, had just 30 feet of mining left at the beginning of the day Tuesday.

Learn More

12 Disabled Scientists Who Made the World a Better

The Large Hadron Collider, a particle accelerator located at CERN outside of Geneva, Switzerland, is the largest machine in the world: It has a circumference of almost 17 miles and took around a decade to build.

Learn More

Seattle's tunnel machine Bertha breaks through nearly 4 years

Seattle's tunnel boring machine that's been digging beneath the city for the State Route 99 tunnel reached the end of its 1.75-mile journey Tuesday, nearly four years after it embarked on the job.

Learn More

Under Seattle, a Big Object Blocks Bertha. What Is It

12/20/2013 · In October, workers walked through the first rings of the highway tunnel being built under Seattle’s waterfront toward the boring machine called Bertha.

Learn More

Roadheader Manufacturers | Suppliers of Roadheader - Panjiva

manufacturers and suppliers of roadheader from around the world. Panjiva uses over 30 international data sources to help you find qualified vendors of roadheader.

Learn More

Seattle's tunnel boring machine Bertha reaches end of

Apr 04, 2017 · With a cloud of dust, Bertha — Seattle’s tunnel boring machine — reached the end of her long, troubled journey, a milestone in a multibillion-dollar project to replace an aging highway hugging the city’s waterfront.

Learn More

Alaskan Way Viaduct - Tunneling

The tunneling machine known as Bertha began ... the machine's cutterhead being lowered into the launch pit near Seattle's stadiums). The machine completed ...

Learn More

king5.com | Bertha expected to break through Tuesday

After a trip that has lasted nearly four years, Seattle's boring machine Bertha, which is digging the new Highway 99 tunnel to replace the Alaskan Way Viaduct, is expected to reach the end of its journey Tuesday.

Learn More

Alaskan Way Viaduct replacement tunnel

The Alaskan Way Viaduct replacement tunnel is a ... Boring of the tunnel with the world's largest-diameter tunnel-boring machine, "Bertha ... Seattle Tunnel Partners ...

Learn More

CNN Student News with transcript Week 8, 2015

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

Learn More

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.

Learn More

Bertha | The Seattle Times

Read more about the technical challenges and rising costs of the Highway 99 tunnel project, and the successes and travails of Bertha, the biggest-ever boring machine.

Learn More

Seattle tunnel machine Bertha reaches halfway point — here

Seattle tunnel machine Bertha reaches halfway point — here’s a rare look inside the massive project ... The receiving pit at the north end of Seattle’s SR 99 tunnel project, where Bertha the ...

Learn More

Follow Bertha's breakthrough - The WSDOT Blog

The contractor Seattle Tunnel Partners began mining around 8 a.m. this morning. The tunneling machine Bertha will mine through the five-foot-thick concrete wall of the disassembly pit, an effort that is expected to take several hours.

Learn More

8 Things Invented By Accident | Mental Floss

The Large Hadron Collider, a particle accelerator located at CERN outside of Geneva, Switzerland, is the largest machine in the world: It has a circumference of almost 17 miles and took around a decade to build.

Learn More

Elon Musk’s Boring Company Wins a Big Boring

Pods in the tunnel will speed people to O’Hare Airport in less than 15 minutes.

Learn More

Seattle`s Tunnel Boring Machine Bertha Reaches End of

4/5/2017 · Seattle`s tunnel boring Machine Bertha finally reached the end of her years-long, 1.75 mile journey Tuesday. Popular in the Community. Local leaders react to the death of Nordstrom Co-president Blake Nordstrom. Cowboys have Amari Cooper this ti

Learn More

Mysterious 'unknown object' blocks progress of huge drilling

Bertha is a five story-high drilling machine that was custom-built to drill the Alaska Way Viaduct tunnel beneath Seattle. It has more than 20 workers controlling it and drills a hole more than 57 feet in diameter.

Learn More

Alaskan Way Viaduct - Home

Today, Kiewit Infrastructure West Co. was named the apparent-best-value contractor for the project that will demolish the viaduct, decommission the Battery Street Tunnel and reconnect city surface streets just north of the new SR 99 tunnel.

Learn More