| 摘要 |
The invention relates to piling for rail tracks, and in particular to a method and system for piling railway tracks to improve the underlying foundation structure. Embodiments disclosed include a method of modifying an existing rail track structure comprising a pair of rails laid over a series of sleepers (101) on top of a ballast layer (102), the method comprising forming a pile structure (201) extending vertically beneath and between adjacent ones (101) of the series of sleepers, wherein a top (202) of the pile structure (201) is separated from the series of sleepers (101) by the ballast layer (102). |
