| 
| 
Advancements in Tunneling and Underground Excavation by Drill & Blast
'Conventional' or 'Unconventional'. Regardless of whether religiously inclined for TBM tunneling or Drill & Blast, one needs to read this.
Direct from the Tunnel Business Magazine.
https://tunnelingonline.com/advancements-in-tunneling-and-underground-excavation-by-drill-blast/
cover tunnel photo by: Matt Brown from London, England / CC BY
.jpg){kind=link}
Copyright 2019-2024 TunnelContact.com
https://tunnelingonline.com/advancements-in-tunneling-and-underground-excavation-by-drill-blast/
Advancements in Tunneling and Underground Excavation by Drill & Blast
tunnelingonline.comwe may want to think about turning the expression around and start referring to tunneling by drill-and-blast as “unconventional” tunneling.