EN 13803 EUROPEAN STANDARD NORME EUROPEENNE EUROPAISCHE NORM April 2017 ICS 93.100 Supersedes EN 13803-1:2010, EN 13803- 2:2006+A1:2009 English Version Railway applications - Track - Track alignment design parameters - Track gauges 1 435 mm and wider Applications ferroviaires - Voie - Parametres de Bahnanwendungen - Oberbau - Trassierungsparameter conception du tracé de la voie - Ecartement 1 435 mm - Spurweiten 1 435 mm und groBer et plus large This European Standard was approved by CEN on 21 December 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. cer EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels All rights of exploitation in any form and by any means reserved Ref. No. EN 13803:2017 E @ 2017 CEN worldwide for CEN national Members. EN 13803:2017 (E) Contents Page European foreword. .6 1 Scope.. 2 Normative references. 3 Terms and definitions ... 4 Symbols and abbreviations .. 5 General. 11 5.1 Background ... 5.2 Alignment characteristics . 11 6 Limits for 1 435 mm gauge .. 6.1 Radius of horizontal curve R ... 6.2 Cant D.. 13 6.3 .Cant deficiency I.... 6.4 6.5 Length of cant transitions Lp and transition curves in the horizontal plane Lk... 6.5.1 Genera... 6.5.2 Lengths of linear cant transitions and clothoids ... 6.5.3 Lengths of transition curves with non-constant gradient of curvature and cant .. ..18 6.6 Cant gradient dD/ds..... 19 6.7 Rate of change of cant dD/dt. 19 6.8 Rate of change of cant deficiency dl/dt.. .20 6.9 Length of constant cant between two linear cant transitions Li.. Abrupt change of horizontal curvature... 6.10 22 6.11 Abrupt change of cant deficiency AI... Length betwen two abrupt changes of horizontal curvature ... 6.12 6.13 Length between two abrupt changes of cant deficiency Ls 23 Track gradients p ... 6.14 .24 6.15 Vertical radius R.... 25 6.16 Length of vertical curves Ly 25 6.17 Abrupt change of track gradient Ap . .26 Annex A (normative) Rules for converting parameter values for track gauges wider than .27 1 435 mm.. A.1 Scope.... A.2 Symbols and abbreviations .. 27 A.3 Basic assumptions and equivalence rules... 29 A.3.1 A.3.2 Basic formulae.. 29 A.3.3 Basic data. .30 A.4 Detailed conversion rules . A.4.1 General... 30 A.4.2 Cant D1 (Subclause 6.2 of the main body of the standard) ... A.4.3 Cant deficiency I1 (Subclause .3 of the main body of the standard ... 32. A.4.4 Cant excess Et (Subclause 6.4 of the main body of the standard).... A.4.5 Lengths of cant transitions Lp and transition curves in the horizontal plane Lk 2 EN 13803:2017 (E) A.4.6 Cant gradient dD/ds (Subclause 6.6 of the main body of the standard) .. A.4.7 Rate of change of cant deficiency dl1/dt (Subclause 6.8 of the main body of the A.4.8 standard) .... .35 A.4.9 Abrupt change of curvature and abrupt change of cant deficiency l1 (Subclauses 6.10 and 6.11 of the main body of the standard). .36 A.4.10 0ther parameters (Subclauses 6.1, 6.9, 6.12, 6.13, 6.14, 6.15, 6.16 and 6.17 of the main body of the standard)...