Reply on topic: Yes, Cincinnati has a subway system. No, you can’t use it.
https://www.popsci.com/technology/cincinnati-subway-history/Advancements in Tunneling and Underground Excavation by Drill & Blast
'Conventional' or 'Unconventional'. Regardless of whether religiously inclined for TBM tunneling or Drill & Blast, one nee...ect from the Tunnel Business Magazine. https://tunnelingonline.com/advancements-in-tun...CREG Participates in TBM Intelligent Tunneling ‘Lotus Pond Initiative’
CREG (China Railway Engineering Equipment Group...turers) has organized a seminer called “TBM Tunneling Parameter Data Sharing and Ma...like a cluster event. Have a look: https://tunnelingonline.com/creg-tbm-intelligen...Reply on topic: China’s hyperloop is fastest high-speed train in history
https://en.as.com/videos/chinas-hyperloop-is-fastest-high-speed-train-in-history-v/Reply on topic: A TBM article: Advancements in Large Diameter TBM Tunneling
Tunnel Business Magazine (TBM) has an article over large bore Tunnel Boring Machine (TBM) tunneling: I think it's a treat: https://tunnelingonline.com/advancements-in-large-diameter-tbm-tunneling/Rescue for insolvent Obermann GmbH (a subsidiary of also insolvent but not so lucky Mühlhäuser)
...is specialized in injection and mixing technology in tunneling and foundation engineering....& Co. KG was not that lucky. The insolvent tunneling machine manufacturer with more than 100 years of company history and around 150 employees, there...
cover tunnel photo by: Matt Brown from London, England / CC BY
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