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Robbins’ Double Shield Overcomes Challenges on Turkish Hyd...

Multiple fault zones, variable face conditions and squeezing ground requiring extensive bypass tunneling: These were just a few of the challenges overcome in order to successfully complete Turkey’s Kargı Kızılırmak Hydroelectric Project. A Robbins 10-m (32.8-ft)...

Herrenknecht TBMs Deployed for Drainage Project in Qatar

With annual rainfall of less than 100 mm (4 in.), Qatar is one of the driest landscapes on earth. But individual driving rain showers lead to extensive flooding in the densely populated capital of Doha. A comprehensive drainage system covering an area of 170 sq km (65...

Felice Appointed Chairman of TRB Tunnels Committee

ILF Consultants, Bellevue, Wash., announced that Dr. Conrad Felice has been appointed Chairman of the Tunnels and Underground Structures Committee for the Transportation Research Board (TRB). TRB standing committees play a vital role in facilitating the exchange of...

Menard Moves to New Offices to Accommodate Continued Growt...

Menard recently announced the relocation of its Pittsburgh-based corporate headquarters to accommodate the company’s continued growth. The new address is 150 Main Street, Carnegie, PA 15106, and the new phone number is (412) 620-6000. “Our revenues have doubled...

Jacobs Associates Adds New Hydropower Expert

Jacobs Associates, a leader in underground design and construction management, announced the addition of a new Senior Associate to its growing pool of hydropower experts as Robert Filgas, P.E., joined the Walnut Creek, Calif., in May. He has 34 years of...
recent from Editor's Message Mega Projects and Ground Improvement
Mega Projects and Ground Improvement In this issue, we highlight the work being undertaken by the L.A. County Metropolitan Transportation Authority (Metro), which includes three projects under construction or nearing construction — the Crenshaw/LAX Transit Project, the Regional Connector Transit Project and the Westside Purple Line...
recent from People Felice Appointed Chairman of TRB Tunnels Committee
Felice Appointed Chairman of TRB Tunnels Committee ILF Consultants, Bellevue, Wash., announced that Dr. Conrad Felice has been appointed Chairman of the Tunnels and Underground Structures Committee for the Transportation Research Board (TRB). TRB standing committees play a vital role in facilitating the exchange of transportation research information and...
recent from Technical Papers Innovations in Precast Concrete Segmental Linings: Case Studies from Around the World
Innovations in Precast Concrete Segmental Linings:  Case Studies from Around the World Since their introduction, precast concrete segmental linings have continued to develop and evolve.  In this article, Jon Hurt, Tunnels Practice Leader at Arup, provides an overview of four projects, highlighting ongoing innovations to meet project challenges.  The continued trend toward steel fiber...
recent from Product Showcase Product Showcase – April 2014
Product Showcase – April 2014 Brookville Equipment Expands Portfolio Brookville Equipment Corp. expanded its mining product portfolio in 2013, offering up custom haulage and transportation solutions for mining customers in the U.S. market and abroad, including the production of its largest underground mining locomotive since the company...