Underground
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Industry News
Robbins Double Shield Sets Record in Nepal
In the southern Himalayan mountains of Nepal, a Robbins Double Shield TBM has crossed into new territory. At the end of June…
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Industry News
Design contract for Norway’s Bergen Light Rail project signed
The design contract for the fifth construction phase of the Bergen light rail project in Norway – from the city…
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Article
Tunnel Demand Forecast – June 2023
... To view the entire article you must be a member of UCA. - Coming Soon - We are currently…
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Article
Material-handling innovations and challenges
By William Gleason, Editor When a major tunneling project commences in an urban area there is often a great deal…
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Article
Wireless optical displacement sensor for convergence and divergence monitoring
FIG. 1 Scenarios of convergence (Erlandsson, 2020). The automation of monitoring in general appears undeniably tempting right up to the…
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Article
Environmentally friendly soil conditioning for EPB TBMs — The state of environmental considerations around the world
Environmental considerations are widely present in the modern world, and there is a global push in most industries for sustainability…
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Digital
Benefits of remanufactured tunnel boring machines include cost and carbon savings
This Robbins TBM was originally built in 1995 and has been used on six tunnels around the world including in…
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Education
UCA hosts Cutting Edge and George A. Fox Conferences
In November 2022, nearly 300 people gathered in Long Beach, CA for the 2022 Cutting Edge Conference hosted by UCA…
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Environmental
Unprecedented in-tunnel diameter conversion of the largest hard rock TBM in the United States
FIG. 1 The 8-km (5-mile) route of the Mill Creek Drainage Relief Tunnel. The Mill Creek/Peaks Branch/State- Thomas (MCPBST) Drainage…
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Emerging Tech
Unprecedented in-tunnel diameter conversion of the largest hard rock TBM in the United States
The Mill Creek/Peaks Branch/State- Thomas (MCPBST) Drainage Relief Tunnel is a 5-mile (8-km) underground tunnel that will provide flood protection…
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