Reply on topic: Not Everyone is Excited about Stuttgart's North East Tunnel Proposal
@Adrian The proposed route is proposed as an alternative to the 11,5 km long over ground route connection...read here and there as `a couple of kilometers`. I think it is Drill and Blast is proposed. I have not heard...China Tunnel Technology Paper: Characteristic Study on Gas Blast Loadings in an Urban Utility Tunnel
Qiushi Yan; Yanan Zhang; and Qingwen Sun "If the gas pipe leaks and causes an...t is therefore necessary to study the safety of urban utility tunnels under gas blast loadings." https://as...Uttarakhand tunnel collapse: Rescuers to drill new tunnels for trapped India workers
Officials say they plan to drill two parallel tunnels which could provide an "escape route" to the workers. https://www.bbc.com/news/world-asia-india-67471018Reply on topic: 18 Kilometrelik Mavi Tünel'de 7. kilometreye ulaşıldı
Mavi Tünel (blue tunnel) excavation reach 7. kilometre. It is last piece of Konya Ovası Projesi (KOP...ds. Two excavation methods used. TBM for 11,5 kilometer. Rest with drill and blast. So far TBM excavated 2,6 kil...After 12 years, excavation of Austria's longest rail tunnel has been completed
..., when the tunnel is finally operational, it will be the longest railway tunnel in Austria. The south tube of the tunnel was excavated using drill & blast while the north tube has been...
cover tunnel photo by: Matt Brown from London, England / CC BY
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