| abstract |
(57) [Summary] In a post-tension method, a PC steel wire is easily and surely prevented from rusting until a grout is injected into a sheath, and a PC cable without corrosion is manufactured. A long tube (e.g., a tube formed by dispersing and mixing nitric acid of dicyclohexylamine in polyethylene) in a sheath in which a PC steel material is inserted, along the PC steel material. )), And after a lapse of time, the same length of the molded article containing the vaporizable rust inhibitor is taken out, and thereafter grout is injected into the sheath. |