| 摘要 |
PROBLEM TO BE SOLVED: To provide a repair method for a laborsaving track for securely preventing the occurrence of reduction of strength of a refilled layer due to muddy water in a cavity and air accumulation in a lower face of a filled layer caused by flowability of grout for repair by using grout having low flowability as the grout for repair. SOLUTION: In this repair method for the laborsaving track, the cavity 10 caused in a base course 1 under the filled layer 4 is filled with the grout for repair to form the refilled layer 11 in the cavity 10 in order to repair the subsided track, the grout 8 for repair having low flowability is used as the grout for repair, the cavity 10 is filled with the grout 8 for repair having low flowability, and muddy water 12 in the cavity 10 is removed to the outside of the cavity 10. COPYRIGHT: (C)2011,JPO&INPIT
|
