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BS EN 15152:2019+A1:2023:2024 Edition

BS EN 15152:2019+A1:2023:2024 Edition

$198.66

Railway applications. Windscreens for trains

Published By Publication Date Number of Pages
BSI 2024 64
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This document specifies the functional requirements for rail vehicle windscreens, including type testing, routine testing and inspection methods for high speed rail, heavy rail, light rail and metro applications. This document is also applicable for tram vehicles. For on-track machines (OTMs) when in transport mode (self-propelled or hauled) the requirements of this standard are applicable. OTMs in working configuration are outside the scope of this document. Determination of the size, shape, orientation and position of windscreens is outside the scope of this document. These data form part of the windscreen technical specification. This document applies to windscreens made of laminated glass, which is the most commonly used material but also to other materials, subject to the performance requirements being satisfied. This document does not specify requirements for the interfaces between the windscreen and the vehicle. Accordingly this document does not address issues relating to: installation, structural integrity and crashworthiness.

PDF Catalog

PDF Pages PDF Title
2 undefined
11 1 Scope
2 Normative references
12 3 Terms and definitions
16 4 Functional requirements
4.1 General
4.1.1 Windscreen classification
17 4.1.2 Driver’s windscreens
18 4.1.3 Passenger windscreens and vehicle end windows
4.2 Optical areas
20 4.3 Windscreen test requirements
4.3.1 Type tests
21 4.3.2 Routine tests
4.4 Marking
4.5 Service requirements
22 4.6 Storage and handling of finished windscreens
5 Visual and optical requirements
5.1 Appearance defects
5.1.1 General
5.1.2 Visual inspection procedure for appearance defects
25 5.1.3 Definition and classification of defects
27 5.1.4 Defect acceptance criteria
5.2 Optical characteristics
5.2.1 Secondary image separation
28 5.2.2 Optical distortion
29 5.2.3 Haze
5.2.4 Light transmittance
5.2.4.1 Determination of light transmittance
31 5.2.4.2 Method to account for windscreen installation angle
5.2.4.3 Acceptance criteria
5.2.5 Chromaticity
5.2.5.1 General requirements
32 5.2.5.2 Spectrographic method
33 5.2.5.3 Colour filter method
34 5.2.5.4 Determination of colour shift
6 Mechanical characteristics
6.1 Impact resistance
6.1.1 Impact test requirements
36 6.1.2 Spalling assessment
6.1.3 Impact test projectile velocity
6.1.3.1 Projectile impact velocity
6.1.3.2 Projectile impact velocity for testing with vertical samples
38 6.1.4 Impact test procedure
39 6.1.5 Impact test acceptance criteria
6.2 Residual visibility
6.2.1 Test samples
40 6.2.2 Test method
6.2.3 Acceptance criteria
6.3 Resistance against abrasion
6.4 Resistance to repeated impact from small particles (gravelling)
6.4.1 General
6.4.2 Test samples
41 6.4.3 Test method
6.5 Bullet resistance
42 7 Performance in service
7.1 Heating system
7.1.1 General
7.1.2 Heating uniformity
43 7.1.3 Coating based heating systems
7.1.4 Wire based heating systems
7.1.5 Resistance measurement
7.1.6 Voltage withstand test
7.2 Resistance against ageing
7.2.1 General
44 7.2.2 Accelerated weathering test
7.2.2.1 Definition and apparatus
7.2.2.2 Test method
7.2.2.3 Ageing testing acceptance criteria
7.2.3 Thermal cycling
7.2.3.1 Definition
45 7.2.3.2 Test method
7.2.3.3 Thermal cycling test acceptance criteria
7.2.4 Humidity test
7.2.4.1 Definition
46 7.2.4.2 Test method
7.2.4.3 Humidity testing acceptance criteria
7.2.5 Windscreen heating test
7.2.5.1 Definition
7.2.5.2 Test method
7.2.5.3 Heating test acceptance criteria
47 Annex A (normative)Determination of windscreen angles
A.1 Determination of windscreen plan view angle
50 A.2 Determination of the rake angle
51 Annex B (normative)Transmittance calculation for inclined windscreen
54 Annex C (normative)Windscreen test sample mounting
56 Annex D (normative)Impact test projectile
58 Annex E (normative)Gravelling test projectile
59 Annex F (informative)Test samples
F.1 Test sample properties
F.2 Test sample for optical tests
F.3 !Test sample for mechanical tests”
F.4 Test sample for ageing tests
60 Annex G (normative)Summary of testing requirements
61 Annex H (informative)Alternative method for testing resistance to Ultra Violet radiation
H.1 General
H.2 Test method
H.3 Interpretation of results
62 Annex ZA (informative)Relationship between this European Standard and the Essential Requirements of EU Directive 2008/57/EC aimed to be covered

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BS EN 15152:2019+A1:2023
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