Device for protecting coated tendons of a post-tension construction method

摘要

The present invention relates to a protective apparatus, which can prevent damage to sheaths when sheath tendons are inserted into a duct in a post-tension construction method. The protective apparatus includes: a body part (110) surrounding a plurality of sheath tendons to fix the same; and a plurality of bearing members (120) provided on an outer circumferential surface of the body part (110) to be freely rolled.