Published in Tunnels & Tunnelling: Rules of Thumb – Drill and blast tunneling

April 9, 2020 Keivan Rafie

Thanks to continuous development of equipment and explosives, drill and blast tunneling has come a long way from the fire and ice days

 

In his bimonthly column, Keivan Rafie talks drill and blast tunneling. Techniques have definitely developed since the pre-explosives days of using fire and cold water to crack open rock. Read on to learn about the myriad of factors in play today when using this type of tunneling method. 

About the Author

Keivan Rafie

Keivan Rafie’s engineering expertise is in tunneling, mining, and ground-improvement projects. For the last 15 years, he’s worked across the globe in Asia, Australia, the Middle East, and North America. Keivan’s knowledge and experience go deep with tunneling methods, such as drill and blast, NATM, and TBM, and he is involved in all stages from design to manufacturing and construction.

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