Robbins EPB Completes Third Bore for Chennai Metro

On Tuesday, Oct. 31, 2017, a 6.65-m (21.8-ft) diameter Robbins EPB TBM broke through at Chennai Metro, making this the third tunnel the machine has bored for the project and for contractor Afcons Infrastructure Ltd.

AEM Poll: Infrastructure Unites Voters in Divisive Election Year

The Association of Equipment Manufacturers (AEM) released a poll that found that half of registered voters say the nation’s infrastructure has gotten worse over the last five years, and a majority of voters said roads and bridges are in “extreme” need of repair.

The Changing Face of Engineering

In this issue we profile AECOM, the engineering giant that just got bigger following the acquisition of URS Corp. last year. In the 2014 ENR Ranking of the Top 500 consulting firms, released before the acquisition, AECOM was ranked No. 1, with URS checking in at No. 3. The combined company now boasts nearly...

TERRATEC Delivers Microtunnelling System to Thailand

On July 4, TERRATEC successfully completed the factory acceptance tests of a new DN1500 microtunnelling system. The ceremony was held in TERRATEC new facilities in Thailand, in the presence of the representatives from the buyer, Nawarat Patanakarn PCL. The MTBM is a pipe jacking system designed to handle...

Jacobs Associates Expands Walnut Creek Office

In order to meet the needs of Jacobs Associates’ growing workforce in Northern California, the company’s Walnut Creek office has expanded. The new location has better access for visitors and employees, as it is adjacent to the Pleasant Hill BART Station. In addition to providing expert tunnel,...

Roadheaders in Tunneling

Versatility of Machines and Attachments Lead to Increased Use in North America By Karl H. Mitterndorfer The need to understand the rock cutting process in an intensive way has become more and more of a necessity due to the various options using mechanized excavation and tunneling methods. The selection of...

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