Mackenzie, the 1,500-ton tunnel boring machine drilling the 3-mile long Euclid Creek Tunnel 200 ft under Cleveland, Ohio...
To get from the European to the Asian side of Istanbul, people and goods have to cross the Bosporus Straits. So far, two...
A speedy machine in Indianapolis, Ind., recently achieved a new victory in its long career: A world record advance in 24...
By Patrick Bridger In the Beginning Since the beginning of the shotcrete process development, advancements in shotcrete ...
Portland East Side CSO Uses Teamwork to Achieve Environmental Goals In tunneling, many projects can be deemed successful...
Versatility of Machines and Attachments Lead to Increased Use in North America By Karl H. Mitterndorfer The need to unde...
Barnhart performed one of its largest lifts ever on the massive SR 99 project in Seattle recently, transporting the worl...
By Jim Rush One of the emerging trends in the North American tunneling industry has been the use of public-private partn...
The power is on, the cutterhead is hooked up and two miles of Seattle soil await the teeth of Bertha, the world’s ...
Continuous 12-day concrete pour challenges barge-mounted Putzmeister concrete placing system to place special mix 390 fe...
Specialty Contractor Nicholson Construction Company Aids in Construction of Second Ave. Subway Station Box By Jim Rush T...
Why TBMs may be the Way of the Future The use of TBMs have become commonplace on tunneling jobs throughout North America...
Wellpoint Dewatering Is a Common Method of Temporarily Removing Groundwater for Below-ground Structures In any undergrou...
By Joseph A. Sopko, Ph.D., P.E., Paul Schmall, P.E., and Robert Chamberland Cross passages, the short tunnel segments co...
PortMiami Tunnel Raises the Bar for Tunnel Construction in North America By Jim Rush When you think about ...