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Bertha back to drilling after suspension is “conditionally lifted”
Bertha hasn't been blessed with the best of luck in Seattle, but the world's largest tunnel boring machine is back to drilling ...
Washington governor halts Bertha tunneling after sinkhole forms
Bertha didn't get back to work for long. Washington Gov. Jay Inslee has put the brakes on the massive tunnel boring machine ...
Bertha breaks through repair wall and begins tunneling soil once more (VIDEO)
It's taken two years in repairs and delays, but Bertha has broken through her concrete repair pit. The Washington State Department of Transportation ...
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, ...
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PHOTOS: Big Bertha’s 2,000-ton front end lifted to the surface. How the world’s largest tunneler was raised
After a year of slumber and almost a month after chewing her way into a 12-story repair pit, Big Bertha, the ...
PHOTOS: Fixing Bertha: How workers dug a 12-story pit to raise world’s largest tunnel boring machine from the dead
No. 8 Story in 2015 « No. 9 No. 7 » The Big Bertha saga recently received a major update: crews ...
Big Bertha, world’s largest tunnel-boring machine, lowered into starting position in Seattle
With the digging of the Washington State Route 99 tunnel in Seattle scheduled to start in July, the Washington State Department of ...
Failing Culverts — Solution Options with special attention to the option of tunneling
Since corrugated metal pipe (CMP) was first introduced for culvert applications, untold miles of CMP have been installed across the ...
Caterpillar to begin manufacturing mini excavators as market growth ends deal with Wacker Neuson
This 1939 Dodge pickup has been reborn with a new electric heart (VIDEO)
VIDEO: Watch as a massive Komatsu PC8000 mining shovel is assembled in this time-lapse
REVIEW: Cat S60's design, speed, built-in FLIR thermal camera combine for the ultimate construction phone
John Deere unveils 2 large-frame skid steers, 2 CTLs in G Series power boost
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Ritchie Bros. to acquire online equipment auctioneer IronPlanet for $758.5 million ...
by Tom Jackson
Caterpillar to begin manufacturing mini excavators as market growth ends deal ...
by Wayne Grayson
REVIEW: Cat S60’s design, speed, built-in FLIR thermal camera combine for ...
by Wayne Grayson
With new emissions regs, can heavy truck makers go all-in on ...
by Jason Cannon
Test Drive: Off-roading in Nissan’s sonar-equipped 2017 Titan Pro-4X Crew Cab ...
by Tom Quimby