To get from the European to the Asian side of Istanbul, people and goods have to cross the Bosporus Straits.…
A speedy machine in Indianapolis, Ind., recently achieved a new victory in its long career: A world record advance in…
By Patrick Bridger In the Beginning Since the beginning of the shotcrete process development, advancements in shotcrete technology have increased…
Portland East Side CSO Uses Teamwork to Achieve Environmental Goals In tunneling, many projects can be deemed successful by the…
Versatility of Machines and Attachments Lead to Increased Use in North America By Karl H. Mitterndorfer The need to understand…
Barnhart performed one of its largest lifts ever on the massive SR 99 project in Seattle recently, transporting the world’s…
By Jim Rush One of the emerging trends in the North American tunneling industry has been the use of public-private…
The power is on, the cutterhead is hooked up and two miles of Seattle soil await the teeth of Bertha,…
Continuous 12-day concrete pour challenges barge-mounted Putzmeister concrete placing system to place special mix 390 feet (119m) underwater. A continuous…
Specialty Contractor Nicholson Construction Company Aids in Construction of Second Ave. Subway Station Box By Jim Rush The Second Avenue…