| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide lining structure for a conduit line which is obtained by arranging a hollow framework-like reinforcing material in an existing conduit line, and fitting internal surface members arranged side by side in the direction of the cylinder length of the existing conduit line, continuously in the circumferential direction into a cylindrical shape, secures a site for laying a cable when repair is performed, suppresses reduction in the diameter of the conduit line to a minimum, and does not have the fear of damaging cables even when openings are formed. SOLUTION: At least at one spot of the internal surface members arranged continuously in the length wise direction of the existing conduit line, a cable holding material or an internal surface member having construction for holding a communication cable is arranged on the internal side surface of the conduit line. As a result of this, reduction in the diameter of the conduit pipe after repair can be suppressed to a minimum. In addition, a coble can be laid without superfluous work after the repair, since a cable laid portion is simultaneously formed. Moreover, recognition of the cable by sight is easy, and the cable can be easily branched even when openings are formed after the laying.</p> |
