Method for manufacturing a railway track support, associated railway track support and railway installation
This method for manufacturing a railway track support comprising a plurality of prefabricated elements ( 28 ) comprises the following successive steps: providing, in a production zone ( 16 ) for prefabricated elements ( 28 ) located near an installation zone ( 14 ), a movable insertion machine ( 52 ) configured to arrange at least one insert ( 34 ) in a fresh concrete block, the production zone being separate from the installation zone; pouring and shaping fresh concrete in order to form individual fresh concrete blocks having predetermined dimensions; arranging at least one insert in each fresh concrete block using the movable insertion machine ( 52 ); drying the fresh concrete blocks to obtain the prefabricated elements ( 28 ).
1. A method for manufacturing a railway track support, the railway track support comprising a plurality of prefabricated elements with predetermined dimensions assembled to one another, wherein said method comprises:
providing a movable insertion machine configured to arrange at least one insert in a fresh concrete block, the movable insertion machine being provided in a production zone for producing the plurality of prefabricated elements at a location near an installation zone that receives railway track, the production zone being separate from the installation zone;
forming said fresh concrete block by pouring and shaping fresh concrete so that said fresh concrete block will be formed having the predetermined dimensions, and repeating said forming as needed in order to obtain a plurality of said fresh concrete blocks
arranging at least one insert in each said fresh concrete block in the plurality of said fresh concrete blocks using the movable insertion machine; and
drying the plurality of said fresh concrete blocks to obtain the plurality of prefabricated elements.
2. The method according to claim 1 , wherein after drying the fresh concrete blocks, the method further comprises:
storing the prefabricated elements in the production zone.
3. The method according to claim 1 , wherein after drying the fresh concrete blocks, the method further comprises:
assembling the prefabricated elements at the installation zone in order to form the railway track support.
4. The method according to claim 3 , wherein prior to assembling the prefabricated elements, the method further comprises:
preparing the installation zone so that it has a globally planar reception surface for receiving the railway track support able to bear the weight of the railway track support and of a vehicle traveling on the railway track without undergoing deformation, and
wherein during the assembling the prefabricated elements, the prefabricated elements are positioned on the receiving surface.
5. The method according to claim 1 , wherein during forming said concrete block by pouring and shaping, a movable machine with sliding casings is used to form the fresh concrete according to a predetermined profile corresponding to the predetermined dimensions.
6. The method according to claim 1 , wherein during forming said concrete block by pouring and shaping, casings are used to form the fresh concrete according to a predetermined profile corresponding to the predetermined dimensions.
7. The method according to claim 1 , wherein during arranging at least one insert in each said fresh concrete block, each insert is arranged in the corresponding fresh concrete block by vibrating the concrete around this insert during its movement until it reaches a predefined position.
8. The method according to claim 1 , wherein after the drying step, the method further comprises:
installing rails at the inserts, and
fastening the rails to the inserts using systems for fastening rails to the inserts.
9. A railway track support obtained by implementing the method for manufacturing according to claim 1 .
10. A railway installation comprising the railway track support according to claim 9 and a railway track fastened to the railway track support at the inserts.