Search & filter
Search & filter
Abstract: The beginnings of Precast Concrete Tunnel Linings (PCTL) date back to the 1930’s, when it was first used in Great Britain, and many years later in North America (1960’s). In the 1980’s it was already a consolidated technology, boosted by the increasing performance of mechanical excavation by TBM process. The main reason behind this strong development was, of course, the reduction on the costs...