Conference Proceedings
15th Australasian Tunnelling Conference 2014
Conference Proceedings
15th Australasian Tunnelling Conference 2014
Precast Concrete Segmental Tunnel Linings - The State-of-the-art
Precast concrete segmental linings have enjoyed widespread use around the world, and are the lining type of choice for tunnels constructed using a shielded tunnel boring machine. However, there is significant variation in the design of such linings from one country to the next in such areas as materials, geometry, fixtures and fittings, waterproofing and reinforcement to name but a few. This arises because the speed at which the technology has developed within some countries and regions has sometimes outstripped the transfer of such technologies to the rest of the world.This paper provides some insights into the variations in lining design in different parts of the world with the aim of providing designers and constructors alike a reference for the different methods adopted. It provides a context for these developments by briefly summarising historical reviews of this subject before looking at some of the developments around the world over the last 15-20 years. The developments are presented with some reference to the reasons for implementation, and the advantages and limitations commented on. Following on from this description of the state-of-the-art, the authors also provide their own views on what developments we may see in this area in the near future.CITATION:Harding, A and Chappell, M, 2014. Precast concrete segmental tunnel linings - the state-of-the-art, in Proceedings 15th Australasian Tunnelling Conference 2014 , pp 257-266 (The Australasian Institute of Mining and Metallurgy: Melbourne).
Contributor(s):
A Harding, M Chappell
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- Published: 2014
- PDF Size: 1.41 Mb.
- Unique ID: P201411030