| 摘要 |
PROBLEM TO BE SOLVED: To provide a segment for shield tunnel which can improve the anchoring force of an anticorrosive sheet to concrete and is also excellent in durability, reliability, economical efficiency or the like. SOLUTION: A segment 1 comprises a plate-like body 2 made of concrete, and the inner face of the plate-like body 2 is covered with an anticorrosive sheet 3 that has a plurality of cylindrical projections 321 to be embedded in the concrete portion and is composed of a resin with acid resistance and/or alkali resistance. COPYRIGHT: (C)2012,JPO&INPIT |
