EN 14363:2016

European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Deviations from requirements
5 Test requirements
6 First stages assessment
7 Second stage - dynamic performance assessment
Annex A (informative) - Information on safety against
        derailment
Annex B (informative) - Computer simulations designed
        to examine whether the vehicle has an acceptable
        resistance to flange climbing derailment at low speed
Annex C (informative) - Tests for determination of the
        torsional coefficient of a vehicle body
Annex D (informative) - Determination of displacement
        characteristics for application with EN 15273
Annex E (informative) - Assessment of the behaviour of
        vehicles with small wheels in curved crossings
Annex F (informative) - Test specification for assessment
        of vehicle behaviour in switches and crossings
Annex G (normative) - Coordinate system for measured
        quantities
Annex H (informative) - Operational parameters
Annex I (informative) - Position of the different wheelsets
        during test
Annex J (informative) - Additional track loading
        assessment quantities
Annex K (informative) - Evaluation and background of the
        rail surface damage quantity
Annex L (informative) - Typical maximum estimated values
        of ride characteristics
Annex M (normative) - Track geometric quality - Selection
        of test tracks
Annex N (informative) - Background of track quality
        description
Annex O (normative) - Rail profile measurement
Annex P (normative) - Requirements for evaluation of
        equivalent conicity
Annex Q (informative) - Radial steering index
Annex R (normative) - Statistical evaluation
Annex S (informative) - Running behaviour of special
        vehicles
Annex T (informative) - Simulation of on-track tests
Annex U (informative) - Extension of acceptance
Annex V (normative) - Symbols
Annex W (informative) - List with the main technical
        changes compared to EN 14363:2005,
        EN 15686:2010 and EN 15687:2010
Annex ZA (informative) - Relationship between this
         European Standard and the Essential
         Requirements of EU Directive 2008/57/EC
Bibliography

This European Standard defines the process for assessment of the running characteristics of railway vehicles for the European network of standard gauge tracks (nominally 1 435 mm).In addition to the assessment of the running characteristics of vehicles for acceptance processes, the standard also defines quantities and dependencies that are not directly used for acceptance purposes. This information is for example intended for the validation of simulation models. It can also be used to define operating conditions outside the reference conditions to be used for the approval.The assessment of running characteristics applies to vehicles which:are newly developed;have had relevant design modifications; orhave changes in their operating conditions.The assessment process is based on specified target test conditions (see 3.1) given in this document.Experience over many years has demonstrated that vehicles complying with this standard can be operated safely on infrastructure with conditions more severe than the target test conditions, if the current general operating rules are applied. As an example it is generally current practice to restrict cant deficiency in curves below a certain radius. It may be necessary to adapt these operating rules, if a deterioration of the infrastructure conditions is observed. These operating rules are defined on national basis. The procedure to evaluate these operating rules is out of the scope of this standard.NOTE 1There are margins included in the specified limit values and the statistical evaluation. They cannot be quantified, but they explain why vehicles can also be operated at full speed and cant deficiency in many cases outside of the target test conditions.The standard also enables the demonstration of compliance against the target test conditions for the case that their combination is not achievable during tests. It is also possible to carry out the assessment of a vehicle for limited test conditions such as test zones 1 and 2 or reduced speed or reduced cant deficiency. In this case the approval of the vehicle shall be restricted accordingly.NOTE 2National regulations sometimes allow the increase or decrease of the values for speed, curve radius and cant deficiency for local operation based on safety considerations taking into account the local characteristics of the infrastructure (track layout, track structure, track geometrical quality and contact conditions). These local characteristics can be different from those included in the assessment for the vehicle acceptance.NOTE 3The methods of this standard can also be applied to gather information about the compatibility between the vehicle and infrastructure with conditions more severe than the target test conditions. The results of such investigations can be used to determine safe operating rules for such infrastructure conditions.Where testing the vehicle demonstrates that the performance of a vehicle complies with the requirements of this standard when operating at maximum speed and maximum cant deficiency under infrastructure conditions that are more severe than the target test conditions, the obtained results are accepted and there is no need to carry out additional tests to fulfil the requirements defined in this standard. This standard addresses four aspects:1)VehiclesThe assessment of the running characteristics applies principally to all railway vehicles. The document contains acceptance criteria for all types of vehicles with nominal static vertical wheelset forces up to 225 kN (of the highest loaded wheelset of the vehicle in the assessed load configuration specified in 5.3.2). In addition for freight vehicles with nominal static vertical wheelset forces up to 250 kN the acceptance criteria are defined. The acceptance criteria given in this document apply to vehicles designed to operate on standard gauge tracks.2)InfrastructureIn the acceptance process the range of curve radii is (...)