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Tunnel lining segments are used for tunnel construction using tunnel boring machines. These segments produced as left and right tapered or universal tapered elements will be installed as rings during excavation process of the TBM as permanent tunnel structure. The elements are fully equipped with specialized sealants and cast in items for temporary fixing and grouting.
The required tolerances of up to 0.3mm and high quality need a specialized QA/QC system and a high qualified team.