Tunnel Face Scaling with Breaker - Part1 - NATM Tunneling #natmtunneling NATM Tunneling 2:16 4 years ago 68 Далее Скачать
Tunnel Face Scaling with Breaker - Part 2 - NATM Tunneling #natmtunneling NATM Tunneling 1:13 4 years ago 37 Далее Скачать
Tunnel Enlargement - Demolition of the Pilot Tunnel Section - Part 1 - NATM Tunneling #natmtunneling NATM Tunneling 0:50 4 years ago 153 Далее Скачать
Drill & blast tunnel construction explained in 60 seconds shroomco 1:00 6 years ago 128 432 Далее Скачать
Tunnel Excavation with Roadheader - Part 1 - NATM Tunneling NATM Tunneling 1:25 4 years ago 78 Далее Скачать
Concrete spraying being done for providing primary support to tunnel. #miningengineering #shotcrete Tunnel Engineering Official 0:16 1 year ago 2 637 Далее Скачать
Mejor overbreak in NATM Tunnel with lots of water Flow in front of face Construction Info. 0:55 2 years ago 126 Далее Скачать
Tunnel Excavation with Twinheader - Part 1 - NATM Tunneling NATM Tunneling 1:46 4 years ago 56 Далее Скачать
Tunnel Face Collapse - Central Walkway Tunnel - NATM Tunneling #natmtunneling NATM Tunneling 0:31 4 years ago 173 Далее Скачать
Tunnel | Breaking | How to break undercut | Excavation |NATM . S A Hamid 0:14 3 years ago 791 Далее Скачать
Pilot Tunnel Face Collapse - NATM Tunneling #natmtunneling NATM Tunneling 1:14 4 years ago 421 Далее Скачать
TUNNEL SUPPORT WORK | TUNNELLING #dam #hydropower #mohmanddam #civilengineer #mdhp #NATM Hydro Power Construction 0:13 1 year ago 898 Далее Скачать