EP 3885491 B1 20230628 - METHOD FOR RENOVATING A RAILWAY LINE
Title (en)
METHOD FOR RENOVATING A RAILWAY LINE
Title (de)
VERFAHREN ZUR RENOVIERUNG EINER SCHIENENSTRCKE
Title (fr)
PROCÉDÉ DE RENOVATION D'UN CHEMIN DE FER
Publication
Application
Priority
IT 202000006484 A 20200327
Abstract (en)
[origin: EP3885491A1] A method for renovating a section of an existing railway line with the removal of a ballast, comprising:i) a first group of steps comprising the steps of:- removing rails, sleepers and ballast of a section of the railway line;- preparing a support layer (10) of said section of the railway line;- positioning a prefabricated foundation module (21) on said layer (10);- superposing on said foundation module (21) a prefabricated superstructure plate (81) intended to support one or more rails;- positioning a temporary stopper (3) in a corresponding seat (810) of the superstructure plate (81); the step of positioning a temporary stopper (3) in a corresponding seat (810) of the superstructure plate (81) being able or not to be part of the step of superposing with said foundation module (21) a prefabricated superstructure plate (81);- constraining said stopper (3) to the foundation module (21);- positioning one or more rails (9) on the prefabricated superstructure plate (81) to enable the transit of rolling stock along said section of the railway line;ii) a second group of steps comprising the steps of:-removing said temporary stopper (3) from the seat (810);-creating a bedding layer (5) between the module (21) and the superstructure plate (81); the step of creating the bedding layer (5) comprising the step of introducing by injection a material intended to fill the seat (810) and a space between the foundation module (21) and the superstructure plate (81).
IPC 8 full level
E01B 1/00 (2006.01); E01B 29/00 (2006.01)
CPC (source: EP)
E01B 1/002 (2013.01); E01B 1/007 (2013.01); E01B 29/00 (2013.01); E01B 2/003 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3885491 A1 20210929; EP 3885491 B1 20230628; DK 3885491 T3 20230724; ES 2951111 T3 20231018; IT 202000006484 A1 20210927
DOCDB simple family (application)
EP 21158715 A 20210223; DK 21158715 T 20210223; ES 21158715 T 20210223; IT 202000006484 A 20200327