EP 3221515 B1 20200722 - SLEEPER ARRANGEMENT IN A BALLAST BED COMPRISING AN ELASTO-PLASTIC INTERMEDIATE LAYER
Title (en)
SLEEPER ARRANGEMENT IN A BALLAST BED COMPRISING AN ELASTO-PLASTIC INTERMEDIATE LAYER
Title (de)
SCHWELLENANORDNUNG IN EINEM SCHOTTERBETT MITTELS EINER ELASTO-PLASTISCHEN ZWISCHENLAGE
Title (fr)
AGENCEMENT DE TRAVERSE DANS UN LIT DE BALLAST AU MOYEN D'UNE SEMELLE ELASTO-PLASTIQUE
Publication
Application
Priority
- FR 1461185 A 20141119
- EP 2015077156 W 20151119
Abstract (en)
[origin: WO2016079261A1] The invention proposes an assembly for maintaining rails of a railway, comprising: a sleeper (100), intended to support at least two rails (3), said sleeper comprising at least one block (1), and a soleplate (4) comprising a semi-plastic damping layer (5) intended to be interposed between said block (1) of the sleeper (100) and a ballast (B), in which the damping layer (5) has, in the case of the implementation of a load test, an EPM index within in the range of 10% to 25%, preferably within the range of 10% to 20% and the sleeper has a length (L) if less than 2.30m.
IPC 8 full level
E01B 1/00 (2006.01); E01B 3/00 (2006.01); E01B 3/46 (2006.01)
CPC (source: EP)
E01B 3/46 (2013.01); E01B 1/001 (2013.01); E01B 2204/01 (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)
FR 3028534 A1 20160520; FR 3028534 B1 20161209; AU 2015348291 A1 20170713; AU 2015348291 B2 20200709; BR 112017010396 A2 20171226; BR 112017010396 B1 20220712; EP 3221515 A1 20170927; EP 3221515 B1 20200722; WO 2016079261 A1 20160526; ZA 201704114 B 20190731
DOCDB simple family (application)
FR 1461185 A 20141119; AU 2015348291 A 20151119; BR 112017010396 A 20151119; EP 15797349 A 20151119; EP 2015077156 W 20151119; ZA 201704114 A 20170615