Displaying Items By Tag: Tbm
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News on TBM
The largest tunnel boring machine (TBM) in the world finished drilling underneath Seattle
The tunnel will become a double-decker highway, scheduled to open in 2019 It was in April of 2013 that the 57-foot wide boring machine arrived in Seattle after leaving Japan three weeks before....
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UPDATE: Bertha’s Repair Further Delayed
- Jul, 30, 2014
- News On Projects / Industry
- Seattle, Washington, United States
- Authored by: thestructuralengineer.info
Repairing the tunnel-boring Bertha hit more delays this past week when it was announced the deep access pit that is being built to reach the front side of Bertha would be delayed by a month. Crews nee...
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