| 摘要 |
An insertion method of the protection holder of the steel wire for the prestressed concrete girder and steel wire is provided that The cost and the manpower required to the maintenance task are minimized and the safety and lifetime of the bridge are enhanced. An insertion method of the protection holder(100) of the steel wire for the prestressed concrete girder and steel wire comprises as follows. A pair of steel wire hole(1) in which the covered wire is inserted are installed in both sides of the central part. Both ends outside of a plurality of uncovered wire holes(2) in which the uncovered wire is inserted are installed outside the uncovered wire holes. The steel wire does not get entangled with the uncovered wire holes and coating does not peel off. |
