Reply on topic: Jakarta Bandung Fast Train 5th Tunnel Boring Finish. Railway progress at 64%
https://www.thejakartapost.com/news/2020/12/17/jakarta-bandung-high-speed-railway-progresses-by-64-completes-drilling-of-fifth-tunnel.htmlReply on topic: Fatal accident with a tunnel boring machine in the USA
The TBM belongs to Cook Drilling Corp. of Trevose. https://www.inquirer.com/news/philadelphia-university-city-crane-man-dead-20210706.htmlReply on topic: What makes the costs of tunnel construction projects soar?
...using a V-shaped cut at an angle of 45-50 degrees leads to increasing drilling steps, reducing the number of holes, explosives, reducing additional drilling and consequently reducing the...Saudi Arabia drilling work for the Arafat-Taif water transmission tunnel project complete
http://www.tradearabia.com/news/CONS_374002.htmlReply on topic: India: Rescuers in India tunnel collapse work on alternative plan on seventh day
https://www.reuters.com/world/india/rescuers-india-tunnel-collapse-await-drilling-machine-7th-day-2023-11-18/Austrian railways to extract 1600 meters of exploration drill cores for a new railway tunnel
...ways) will carry out exploratory drilling in the Kufstein area. The aim...t a large ground survey. Up to 4 drilling rigs will extract around 1600...n program includes a total of 21 drilling points. The drilling depth is...al investigations supplement the drilling In the fall, ÖBB will...Reply on topic: Horizontal Directional Drilling Mud Circulation System 200GPM Capacity
https://www.drillingmud-system.com/sale-12305710-horizontal-directional-drilling-mud-circulation-system-200gpm-capacity.html?pid=12305710A patent from 1972: Method And Apparatus For Tunneling By Melting
...The abtract of the patent reads: "A machine and method for drilling bore holes and tunnels by mel...l so formed. The heat source can be electrical or nuclear but for deep drilling is preferably a nuclear react...
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