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Innovations to move the industry forward

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Unprecedented TBM Diameter Change

At the Mill Creek Drainage Relief Tunnel in Dallas, Texas, USA, a Robbins Main Beam TBM underwent an in-tunnel diameter change for the first time in the industry. The machine went from 11.6 m diameter to 9.9 m diameter through teamwork, perseverance, and top-notch engineering. Watch the video to find out more about the ground-breaking process and unique project. Watch Now

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News

Robbins Double Shield Sets Record in Nepal

At the end of June 2023, the machine turned in an impressive advance rate of 1,224.13 m in one month – a record for Himalayan geology and believed to be a TBM record within the Indian Subcontinent.

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News

Final Breakthrough at Bahçe-Nurdaği Railway

In June 2023, a resilient 8.0 m diameter Robbins Single Shield completed its second tunnel at Turkey’s Bahçe-Nurdaği Railway. The machine completed 9.6 km of tunneling, adding on to the 9.2 km it completed in its initial railway tunnel in 2020.

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Blog

Incredible India: Machines on the Move in Agra and Delhi

India's metro network has undergone extensive growth in recent years, and is showing no signs of slowing. Multiple Robbins machines are part of tunneling work in cities across India, including Agra and Delhi.

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The History of Robbins

Pioneers in the World of Underground Construction

In 1952 James Robbins developed the first modern Tunnel Boring Machine for the Oahe Dam Project in South Dakota, USA. The machine used drag bits and dumbbell-shaped cutters to successfully excavate weak shale rock.

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“The performance of the XRE machine has been very good given the geology we have encountered during the project. We do plan to use Robbins for upcoming projects.”

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