![Excavation of a large diameter drilled shaft (photo courtesy by Ulrich... | Download Scientific Diagram Excavation of a large diameter drilled shaft (photo courtesy by Ulrich... | Download Scientific Diagram](https://www.researchgate.net/publication/241727342/figure/fig1/AS:458823182884865@1486403380068/Excavation-of-a-large-diameter-drilled-shaft-photo-courtesy-by-Ulrich-Hegg-Eng-MSc.png)
Excavation of a large diameter drilled shaft (photo courtesy by Ulrich... | Download Scientific Diagram
City Rail Link - Here's how the excavation of the temporary access shaft at Mercury Lane is looking today. It's part of the #linkAlliance construction preparation for the #crl #cityraillink Karangahape station.
tunnel.engineering - Drive shaft at TTSM project in London. Caisson Sinking method was used for construction of the shaft. Excavation of the shaft started with an excavator inside the shaft and jacks
![8.15m Tunnel Boring Machine 'Annie' passing through ventilation shaft during 7.5km excavation on the Channel Tunnel Rail Link Stock Photo - Alamy 8.15m Tunnel Boring Machine 'Annie' passing through ventilation shaft during 7.5km excavation on the Channel Tunnel Rail Link Stock Photo - Alamy](https://c8.alamy.com/comp/B8J3HW/815m-tunnel-boring-machine-annie-passing-through-ventilation-shaft-B8J3HW.jpg)