Tunneling Rules of Thumb: Shaft Construction and Support Methods

April 25, 2019 Keivan Rafie

In this Tunnels and Tunneling magazine article, Keivan Rafie discusses the two most important aspects of shaft design and construction: method of excavation and support

 

The importance of minimizing public impact and the need to avoid interfering with other structures and utilities in the area often requires the design and construction of vertical shafts during a tunnelling project. Two of the most important elements in design and construction of shafts are the method of excavation and the technique used to support the shaft against different design loads, such as earth pressure, groundwater, and live and seismic loads.

Visit Tunnels and Tunneling

 

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.

More Content by Keivan Rafie
Previous Article
Published in ENR: Drilling Down to Defend Against Drought in Atlanta
Published in ENR: Drilling Down to Defend Against Drought in Atlanta

Both a design and engineering feat, the Bellwood Quarry-turned-reservoir will serve as Atlanta's emergency ...

Next Flipbook
Published in Mining Magazine: Miners face closure challenge
Published in Mining Magazine: Miners face closure challenge

Mine closure has come a long way in the last 20 years