Liner Plate

Published: May 28, 2017 | Last updated: July 5, 2023

What Does Liner Plate Mean?

A liner plate is a part of a modern support system in underground construction. Liner plate sections are placed in tunnels and bolted together into a solid sheet that eventually forms a complete tube. Steel ribs are used in larger tunnels for reinforcement. The technique is useful in trenchless construction, particularly in the initial stages of tunnel construction.


Trenchlesspedia Explains Liner Plate

Liner plates are produced in segments and assembled within the tunnel. They are often used with loose or soft soil. Liner plates may be a temporary solution until a concrete or other liner is installed over it. DSI Underground says that one of the advantages of liner plates is “economy of construction in time, excavation, material and manpower”. Liner plates are also generally light-weight and easy to handle. Liner plates may be used in the initial tunnel construction or a part or tunnel rehabilitation. They may be used for either the temporary or permanent reinforcement of tunnels in the trenchless technology industry.


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