Proposed vertical shaft excavation.
Uttarakhand Tunnel Collapse: Two New Tunnels And A Vertical Shaft: New Plan To Rescue Trapped Workers
Takashi HARA, Professor, Doctor of Engineering, University of Toyama, Toyama, U Toyama, Civil Design and Engineering
Vertical Development
Proposed vertical shaft excavation.
Frontiers A Case Study of Deep Shaft and Open Face Tunnelling Induced Excessive Ground Settlement in Water Rich Strata in Guangzhou, China
Atsushi Yashima's research works Gifu University, Gifu-shi (Gidai) and other places
Shaft Excavation - Midwest Mole
Sirius sets world record with vertical shaft sinking machine - GeoDrillingInternational
Cooling Prize paper: Ground movement due to shaft construction
Design optimisation and challenges with the deepest shaft on HS2 - HS2 Learning Legacy
Deep Excavation Support Systems Speed Plant Construction
Shaft sinking - Wikipedia
Small-diameter vertical shafts constructed in the shallow space of steep mountainous areas - ScienceDirect