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…
Why TBMs may be the Way of the Future The use of TBMs have become commonplace on tunneling jobs throughout…
Wellpoint Dewatering Is a Common Method of Temporarily Removing Groundwater for Below-ground Structures In any underground construction project, accounting for…
By Joseph A. Sopko, Ph.D., P.E., Paul Schmall, P.E., and Robert Chamberland Cross passages, the short tunnel segments connecting two…
PortMiami Tunnel Raises the Bar for Tunnel Construction in North America By Jim Rush When you think about…
Aldea Services is continuing to expand, adding two new partners to keep up with the rising demand for the specialized…
Atlas Copco CEO Ronnie Leten marked the company’s 140th anniversary by ringing the opening bell at the NASDAQ MarketSite in…