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Repairs to Big Bertha will require a 12-story pit and removing the tunnel-boring machine’s cutterhead
Officials from the Washington State Department of Transportation have announced that in order to repair the world's largest tunnel-boring machine, ...
Construction worker uncovers mammoth tusk from Ice Age (VIDEO, PHOTOS)
While excavating for plumbing trenches on the jobsite of a high-rise apartment complex in the Seattle, Washington neighborhood of south ...
Tunnel-boring machine Big Bertha shut down for “months” due to complexity of needed repairs
Washington State Department of Transportation officials say Big Bertha, the world's largest tunnel-boring machine, is likely out of commission for ...
VIDEO: Baby Bertha? Bechtel builds mini tunnel-boring machine using 50,000 Legos
The Lego Movie, which hit theaters this past weekend, is fantastic. But we wish the folks who made it had ...
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Myths and facts about diesel particulate filters.
There are many opinions and misconceptions out there about using diesel particulate filters (DPF or exhaust filter) for controlling engine…
VIDEO: Claw and shear painted like a Seahawk rip apart a Ford Bronco in a spot-on Super Bowl prediction
"This is a special occasion." That's why Lisa Parberry, who co-owns the Scrap-It recycling center in Ferndale, Washington, says she and ...
Tunnel-boring machine Big Bertha moves forward 2 feet in test run to see if blockage is fully removed
After nearly two months of downtime caused by a steel pipe stuck in her teeth, Big Bertha, the world's largest ...
A steel pipe is what brought Big Bertha, the world’s largest tunnel-boring machine, to a halt
The mystery is solved—in part at least. After Big Bertha, the world's largest tunnel-boring machine, was brought to an abrupt halt ...
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 ...
Is green building movement enough to revive use of heavy timber for framing in construction?
"Green building" and the aim to reduce carbon emissions in the construction of a building are fine goals. But is ...
Top 5 Cities for Electric Cars
Some of the cities on this list are probably obvious, but I was surprised about a few of the cities ...
Subway expansion in Delhi to set record with simultaneous use of 34 tunnel-boring machines
Seattle might have the world's largest tunnel-boring machine, but Delhi, India will soon have a record-setting host of the machines ...
HOTless in Seattle
It appears some road planners in the Seattle area assumed that drivers would be willing to pay their way out ...
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U.S. highways are shifting to alternative interchange designs
Cummins hit with $60M lawsuit by FCA over defective emissions system in Ram pickups
VIDEO: Massive earthmover tire explosion shows why you should cage 'em before you inflate 'em
GMC unveils 2017 Sierra HD All Terrain X, its most powerful off-roader yet thanks to new 6.6L Duramax
VIDEO: Vintage Cat DD9G gave single operator power of 2 dozers in tandem
Unsafe surroundings: Unrecognized hazards could cause trouble for you – or for someone else
GO TO SAFETY WATCH
Hoping to impress ‘low-spec’ skeptics, LiuGong steps up its game with ...
by Tom Jackson
How Volvo CE is engineering a quarry run by electric loaders ...
by Marcia Gruver Doyle
Caterpillar CEO Doug Oberhelman to retire next year; Umpleby tapped as ...
by Wayne Grayson
Caterpillar intros M315F, M317F wheeled excavators with tool carrier, compact radius ...
by Wayne Grayson
Three views on the past, present and rapidly evolving future of ...
by Tom Jackson