Concrete tubbing for the tunnel construction with a plastic - layer at the to the inside of the tunnel wall section

摘要

Concrete tubing segment (1) for the production of a tunnel wall in tunnel construction and with any one of the tunnel side wall section which faces the inside, the wall portions of the concrete tubbings (1) in the finished tunnel with a plastic - layer (7) to the inside of the tunnel are covered, characterized in that the wall sections of the individual concrete tubbings (1) during the making of the concrete tubbings (1) with the plastic - layer (7) are provided and that the plastic - layer (7) as a lost formwork, a concrete forming apparatus for the shaping of the concrete tubbings (1) comprises.