Precast Tunnel Lining is commonly used for large diameter tunnels throughout the world. The manufacture of the large, heavy components to extremely tight tolerances is a demanding task.
The tunneling industry has widely adopted segmental lining systems for the construction of tunnels. These have made the safe construction of tunnels in soft ground beneath the water table both technically and economically feasible.
Large segments with extremely stringent dimensional tolerances require the use of the highest quality steel moulds. The quality is controlled in every stage of the production from the raw materials and moulds to the workmanship at the shop floor.
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