Chinese construction company drills into subway tunnel, damaging subway train
In Chinese city of Nanning, a contractor drills down with a drill of 9 centimeters in diameter. And the drill penetrates through the subway tunnel. And then a train comes along, hitting the drill... Is it funny or not? https://www.globaltimes.cn/page/202101/1213725.shtmlReply on topic: Why are all tunnels not excavated via Tunnel Boring Machines?
Dear Ravnish, one of the reasons is the issue of cost. - Tunnel Boring Machines cost millions. They take man...uce. So there is a lead time before you can start the excavation, unlike in Drill & Blast...Reply on topic: Superintendent, Tunnel, Roads, Bridges, Norway
https://www.ewirecruitment.com/job-search/13479-superintendent-tunnel-roads-bridges-norway/tunnelling-geotechnical/norway/jobReply 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, also...nnel, I read here and there as `a couple of kilometers`. I think it is Drill and Blast...
cover tunnel photo by: Matt Brown from London, England / CC BY
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