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Tag: tunnel building
Roadbuilding
The Zipper truck builds tunnels in no time without any adhesive
With this unique truck and some larger-than-life concrete lego bricks, tunnel building takes no time it all. According to a report from Inhabitat, there’s no need for any adhesive or binding agent at all with the tunnels built by Lock-Block‘s new custom Zipper truck. The video below shows the truck in place where the new tunnel will stand as […]
March 4, 2016
Roadbuilding
Stronger Big Bertha cutter head lowered back into its pit for tunneling
Big Bertha’s massive cutter head is back underground after months of repairs were made to get the world’s largest tunnel-boring machine back to work. According to the Seattle Times, Big Bertha’s new, stronger front end took the 120-foot dive into the pit Tuesday as Dutch lifting company Mammoet lowered the 2,000-ton machine back down. In […]
August 27, 2015
Roadbuilding
Big Bertha is set to start drilling again in November after extensive repairs, testing
The world’s largest tunnel-boring machine is now scheduled to get back to work on November 23, nearly two years after it overheated and stalled while digging beneath Seattle. The Seattle Times reported that the construction team handling the massive undertaking of drilling the 1.8-mile Highway 99 tunnel released the new timetable and a new completion date of […]
July 21, 2015
Roadbuilding
Crews begin installation of Big Bertha’s new seal system
While the rest of her massive frame waits below ground, Big Bertha has undergone the most pivotal portion of her badly-needed brain surgery. According to a report from the Puget Sound Business Journal, repair crews with Seattle Tunnel Partners, the lead contractor on the drilling of a new State Route 99 tunnel beneath Seattle, have begun […]
June 16, 2015
Roadbuilding
Board rules WSDOT should have given contractor more warning about pipe struck by Big Bertha before stall
In regard to the drilling of the new State Route 99 tunnel below Seattle, the Washington State Department of Transportation (WSDOT) has few friends left. There remains disagreement between the department and the city of Seattle over who will pay to repair a water main damaged during the excavation of a repair pit for Big Bertha, […]
May 12, 2015
Roadbuilding
Did Seattle’s SR 99 tunnel really require Big Bertha? Indeco argues breakers are the answer
Tunnel boring machines such as Big Bertha, the 7,000-ton machine sidelined after a massive fail under the streets of Seattle, shouldn’t always be considered the most efficient option for creating big dig projects, says a new publication produced by Italian hammer manufacturer Indeco and released at the Intermat construction equipment trade show this week. […]
April 23, 2015
Roadbuilding
PHOTOS: Big Bertha’s 2,000-ton front end lifted to the surface. How the world’s largest tunneler was raised
[imagebrowser id=225] After a year of slumber and almost a month after chewing her way into a 12-story repair pit, Big Bertha, the world’s largest tunnel-boring machine, is finally under repair in Seattle. Crews worked for the better part of March to disassemble the machine’s front end before lifting the machine’s cutterhead and body shield panels—a […]
April 1, 2015
Construction Equipment
Unstoppable Force, Immovable Object: Seattle’s Big Bertha halted by mystery object
Has Big Bertha met her match? She has, at least for the time being. The world’s largest tunnel-boring machine was recently brought to a halt 60 feet beneath the streets of Seattle, Washington when it hit an unknown object and could move no farther, reported KOMOnews.com. The five-story head of the machine was completely brought […]
December 19, 2013
Home
NYC tunnel expansion the largest transportation project in U.S.
New York City is undergoing the biggest addition to its transportation system since Penn Station opened in 1910, Time reported. And as you can see above, the project has resulted in some amazing photos. Time has put together some of the more stunning photos, taken by the Metropolitan Transportation Authority, and put together a great slideshow which […]
February 28, 2013
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