Sound Transit on May 30 opened six bids for the contract to mine 3.4 miles of twin light rail tunnels between Husky Stad...
The International Tunnelling and Underground Space Association (ITA) held its 39th meeting in Geneva, Switzerland, June ...
Start with some sun, soil and celebration. Then add Bertha, the massive machine that will dig the SR 99 tunnel beneath d...
SFMTA in May awarded the contract to construct the Central Subway’s stations, train tracks and operating systems t...
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...
Over the past 15 years, alternative contracting mechanisms have been used increasingly on tunneling projects in North Am...
By Jim Rush One of the emerging trends in the North American tunneling industry has been the use of public-private partn...
In June 2013, Maccaferri Inc. opened a new 49,000-sq ft manufacturing facility in the Sacramento, Calif., area, which is...
Tutor Perini Corp., a leading civil and building construction company, announced that it has recently been awarded a con...
Mott MacDonald has been appointed detailed design consultant by the Hindustan Construction Co.–Samsung joint ventu...
