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A platform for research: civil engineering, architecture and urbanism
Monolithic track bed construction process for remodeling ballast track subgrade into ballastless track
A monolithic track bed construction process for remodeling a ballast track subgrade into a ballastless track is characterized by comprising the following steps that a monolithic track bed is cast in place under an auxiliary girder; a track supporting platform mounting groove and a line pipe reserved pipe are reserved during casting; after the monolithic track bed is cast to reach the design strength, the auxiliary girder and an existing track are removed; a track supporting platform is mounted in the track supporting platform mounting groove; and after the track is finely adjusted and fixed, a grouting material is grouted to fix the track supporting platform, wherein the grouting material for fixing the track supporting platform is a high strength non-shrinkage grouting material. The monolithic track bed construction process for remodeling the ballast track subgrade into the ballastless track, provided by the invention is advantaged in that the construction time is greatly reduced, the cost is reduced, resources are saved, the track bed does not need to be integrally pushed and the process is safe and reliable because the monolithic track bed is cast in place under the auxiliary girder. And meanwhile, as the high strength non-shrinkage grouting material is adopted, the grouting operation can be finished within one skylight point and the use strength can be reached to open the line directly within one skylight point.
Monolithic track bed construction process for remodeling ballast track subgrade into ballastless track
A monolithic track bed construction process for remodeling a ballast track subgrade into a ballastless track is characterized by comprising the following steps that a monolithic track bed is cast in place under an auxiliary girder; a track supporting platform mounting groove and a line pipe reserved pipe are reserved during casting; after the monolithic track bed is cast to reach the design strength, the auxiliary girder and an existing track are removed; a track supporting platform is mounted in the track supporting platform mounting groove; and after the track is finely adjusted and fixed, a grouting material is grouted to fix the track supporting platform, wherein the grouting material for fixing the track supporting platform is a high strength non-shrinkage grouting material. The monolithic track bed construction process for remodeling the ballast track subgrade into the ballastless track, provided by the invention is advantaged in that the construction time is greatly reduced, the cost is reduced, resources are saved, the track bed does not need to be integrally pushed and the process is safe and reliable because the monolithic track bed is cast in place under the auxiliary girder. And meanwhile, as the high strength non-shrinkage grouting material is adopted, the grouting operation can be finished within one skylight point and the use strength can be reached to open the line directly within one skylight point.
Monolithic track bed construction process for remodeling ballast track subgrade into ballastless track
LI YAJUN (author) / FENG XIAOBIN (author) / TIAN MAOGUO (author) / QIAO JIE (author)
2016-01-27
Patent
Electronic Resource
English
IPC:
E01B
PERMANENT WAY
,
Gleisoberbau
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