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Tunneling News

Dredging of the 18 km-long Fehmarnbelt Tunnel trench completed

It was announced on April the 16th, 2024, that a major milestone was reached for the construction of the world’s longest immersed tube tunnel, the Fehmarnbelt Tunnel, which will connect Denmark to Ge...

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LA Metro celebrates tunneling completion of Puprle (D Line) Extension to Westside

It was recently announced that the Los Angeles Metro celebrated the tunneling completion of its 9-mile D Line/Purple Line extension on April 2, 2024. Furthermore, tunneling for the Purple Line Extens...

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London’s 25-kilometer-long super sewer has been completed

The construction of the Thames Tideway Tunnel was completed on March 27, 2024, with the placement of a 1,200-ton concrete lid onto a shaft located in Stratford. Furthermore, work on the project comm...

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Second TBM’s breakthrough marks excavation completion of HS2’s Chiltern tunnels

The second of the two tunnel boring machines (TBM) that were used for the excavation of HS2’s longest Chiltern twin-bore tunnel marked a major milestone for the project, as it made its final breakthr...

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Sydney: Building’s evacuation due to a huge sinkhole close to the construction of M6 tunnel

A sinkhole formed beneath the Rockdale building in the city's southern area, near Sydney's M6, on Friday 1st of March 2024. Twenty firefighters quickly responded and assisted 20 people to evacuate th...

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BIM workflow for new German high-speed railway line

Prof. Quick und Kollegen was commissioned by Deutsche Bahn Netz AG to determine an optimal rail route option and explore the geotechnical feasibility of tunnels while protecting the local environment...

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The unbelievable video of drilling rig boring through the Mecidiyeköy - Istanbul Airport metro line

A video of an incident, that is hard to believe actually happened, has widely been circulated on the internet during this past weekend. Furthermore, the video captured the moment that a drilling rig...

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A site visit at the new subway line being constructed in Athens, Greece

A new subway line is currently being built in Athens, Greece, and we paid a visit to one of its construction sites. Furthermore, the new line is going to be the city’s fourth and facilitate 15 new s...

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New study investigates partial replacement of Portland cement with waste London Clay

A new paper titled “Reutilising waste clays from tunnelling operations as a cement replacement material in concrete - An innovative circular approach” by Kanavaris, F., et al., discusses the effectiv...

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41 trapped tunnel workers rescued after 17 days in India

The operation to rescue 41 workers trapped in a collapsed tunnel in India ended successfully on late Tuesday, November 28. Furthermore, as was previously reported, the workers had been trapped appro...

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