Big Bore in Hawaii: Robbins TBM Sets New Standard for Aloha State

The Hawaiian volcanoes laid down basaltic bedrock that can sometimes prove to be a challenging substrate for underground construction projects. Tunnels in Hawaii have historically been smaller, of the microtunneling variety.

Trends in Tunnel Linings

CH2M's Anthony Harding, Global Lead Technologist for Tunnels for the company, examines the latest trends in the area of tunnel linings.

TBM Tunneling the Chengdu Metro

As the provincial capital of Sichuan and home to more than 10,000,000 inhabitants, Chengdu is an important economic center in southern China. In an effort to keep pace with increasing transportation needs, Chengdu – like many cities in China – has begun building subways

Underground Station Design: Considerations for Designing New and Renovated Metro Stations

Designing and constructing underground structures and tunnels is always a challenge. When designing underground stations, sometimes these challenges can be magnified.

Moretrench Welcomes Bennett

Moretrench welcomed Jonathan Bennett, P.E., as Business Development Manager for the Mid-Atlantic and Midwest regions. Bennett has 25 years of experience.

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