| 摘要 |
<P>PROBLEM TO BE SOLVED: To eliminate the need of heavy machines and wedges, to eliminate the need of installing/pulling out a mold form, to reduce work time/work days, and to efficiently and highly accurately correct track deviation. <P>SOLUTION: A track deviation repair method for a track includes respective steps of: a) installing a plurality of anchors 28 for lift-up on an upper surface of a filling layer 4 for which a crosstie 2 and ballast 3 are solidified; b) installing a portal track lifting jig 10 which is supported at both ends by a ballast layer 3 on an outer side of the filling layer 4 and traverses a track 1 and the anchors 28; c) finely adjusting a track height by pulling up the anchors 28 with jacks 16 and 42 provided on the track lifting jig 10 and floating the filling layer 4 from the ballast 3; and d) packing a filler in a gap formed between the ballast 3 and the filling layer 4. <P>COPYRIGHT: (C)2013,JPO&INPIT |
