EN 14730-1:2006
(Main)Railway applications - Track - Aluminothermic welding of rails - Part 1: Approval of welding processes
Railway applications - Track - Aluminothermic welding of rails - Part 1: Approval of welding processes
This standard defines the laboratory tests and requirements for approval of an aluminothermic welding process using welds produced in workshop conditions.
It applies to the joining of new, Vignole rails as described in EN 13674-1 of the same profile and steel grade.
Compliance with the requirements of this standard does not of itself ensure the suitability of a welding process for specific conditions of track and traffic.
The standard does not cover welds made between different rail sections, differently worn rails and different rail grades.
In addition to the definitive requirements this standard also requires the items detailed in Clause 4 to be documented. For compliance with this standard, it is important that both the definitive requirements and the documented items be satisfied.
Bahnanwendungen - Oberbau - Aluminothermisches Schweißen von Schienen - Teil 1: Zulassung der Schweißverfahren
Diese Norm definiert Laborprüfungen und Anforderungen zur Zulassung eines aluminothermischen Schweißverfahrens an unter Werkstattbedingungen hergestellten Schweißungen.
Diese Norm umfasst die Verbindung von Vignolschienen, wie in EN 13674-1 beschrieben, des gleichen Profils und gleicher Stahlsorte.
Die Erfüllung der Anforderungen dieser Norm bedingt jedoch nicht notwendigerweise die Eignung des Schweißprozesses für spezifische Bedingungen im Oberbau und im Betrieb.
Die Norm berücksichtigt nicht die Schweißungen von unterschiedlichen Schienen-Querschnitten, unterschiedlich abgenutzten Schienen und unterschiedlichen Stahlsorten.
Zusätzlich zu den in dieser Norm definierten Anforderungen sind auch die in Abschnitt 4 beschriebenen Forderungen zu dokumentieren. Für die Übereinstimmung mit dieser Norm sind sowohl die definierten Anforderungen als auch die zu dokumentierenden Dinge zu erfüllen.
Applications ferroviaires - Soudage des rails par aluminothermie - Partie 1 : Approbation des procédés de soudage
La présente Norme définit ces essais de laboratoire et les exigences pour l’approbation d’un procédé de soudage des rails par aluminothermie.
Elle s’applique à l’assemblage de rails Vignole neufs tels que décrits dans l'EN 13674-1, de même profil et de même nuance d’acier.
La conformité aux exigences de la présente Norme n’assure pas par elle-même l’aptitude à l’emploi d’un procédé de soudage dans des conditions spécifiques de voie ferrée et de trafic.
La présente Norme ne s'applique pas au soudage des rails de profils, d'usures ou de nuances différentes.
Outre les exigences définitives, la présente Norme exige également que les éléments détaillés à l’article 4 soient documentés. Pour être conforme à la présente Norme, il est essentiel que les exigences définitives ainsi que les éléments à documenter soient remplis.
Železniške naprave – Zgornji ustroj – Aluminotermično varjenje tirnic – 1. del: Odobritev varilnega postopka
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Railway applications - Track - Aluminothermic welding of rails - Part 1: Approval of welding processesApplications ferroviaires - Soudage des rails par aluminothermie - Partie 1 : Approbation des procédés de soudageBahnanwendungen - Oberbau - Aluminothermisches Schweißen von Schienen - Teil 1: Zulassung der SchweißverfahrenTa slovenski standard je istoveten z:EN 14730-1:2006SIST EN 14730-1:2007en45.080Rails and railway components25.160.10Varilni postopki in varjenjeWelding processesICS:SLOVENSKI
STANDARDSIST EN 14730-1:200701-januar-2007
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14730-1August 2006ICS 25.160.10; 45.080 English VersionRailway applications - Track - Aluminothermic welding of rails -Part 1: Approval of welding processesApplications ferroviaires - Soudage des rails paraluminothermie - Partie 1 : Approbation des procédés desoudageBahnanwendungen - Oberbau - AluminothermischesSchweißen von Schienen - Teil 1: Zulassung derSchweißverfahrenThis European Standard was approved by CEN on 12 June 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2006 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 14730-1:2006: E
Steps in approval.25 Annex B (informative) Suggested sequence of laboratory tests.26 Annex C (normative)
Ultrasonic testing procedure for aluminothermic welds in rail.27 C.1 A test of the head zone of the weld (non-planar defects).27 C.2 A test of the head zone of the weld (planar defects).27 C.3 A test of the head and web zone of the weld (planar defects).27 C.4 A test of the middle zone of the foot of the weld.27 C.5 A test of the ankle zone of the foot of the weld.27 C.6 A test of the toe zone of the foot of the weld.28 Annex D (normative)
Procedure for FRY etching.29 Annex E (normative)
Procedure for measurement of surface hardness.30 Annex F (normative)
Procedure for slow bend test.31
Procedure for recording test weld fracture face defects.32 Annex H (normative)
Ultrasonic inspection procedure on aluminothermic welds to be sectioned.34 H.1 Principle.34 H.2 Apparatus.34 H.3 Preparation of samples.34 H.4 Calibration.34 H.5 Testing.35 H.6 Reporting.35 Annex I (normative)
Procedure for microscopic examination of the visible heat affected zone and fusion zone of welds.36 Annex J (normative)
Procedure for measurement of the heat softened zone width.37 J.1 Measurement of hardness.37 J.2 Evaluation of hardness data.38 J.2.1 General.38 J.2.2 Mean hardness of parent rail.38 J.2.3 Measurement hardness line.38 J.2.4 Heat softened zone width measurement.39 J.2.5 Parent rail hardness variation.39 Annex K (normative)
Fatigue test methods for aluminothermic welds.40 K.1 Scope.40 K.2 Test equipment.40 K.3 Calibration procedure.41 K.3.1 General.41 K.3.2 Test piece.41 K.3.3 Test piece preparation.41 K.3.4 Instrumentation.42 K.3.5 Procedure.42 K.4 Fatigue test method.45 K.4.1 General.45 K.4.2 Staircase testing method.45 K.4.3 Example of the data analysis of a fatigue strength determination by the staircase method.47 K.4.4 Past-the-post testing method.48 Annex L (informative)
A–deviations.49
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