BSI 15/30311097 DC:2015 Edition
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BS EN 13450. Aggregates for railway ballast
| Published By | Publication Date | Number of Pages |
| BSI | 2015 | 42 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Contents Page |
| 6 | Foreword |
| 8 | 1 Scope 2 Normative references |
| 9 | 3 Terms and definitions |
| 10 | 4 General requirements 5 Geometrical requirements 5.1 General |
| 11 | 5.2 Railway ballast sizes 5.3 Grading Table 1 — Categories for grading 5.4 Content of fine particles |
| 12 | Table 2 — Categories for fine particles content 5.5 Fines content Table 3 — Categories for fines content 5.6 Particle shape – Flakiness index and shape index Table 4 — Categories for maximum values of flakiness index |
| 13 | Table 5 — Categories for maximum values of shape index 5.7 Particle length Table 6 — Categories for maximum values of particle length 5.8 Percentage of crushed particles 6 Physical requirements 6.1 General 6.2 Resistance to fragmentation 6.2.1 Los Angeles |
| 14 | Table 7 — Categories for maximum values of Los Angeles coefficient 6.2.2 Resistance to impact Table 8 — Categories for maximum values of resistance to impact 6.3 Resistance to wear Table 9 — Categories for maximum values of resistance to wear |
| 15 | 6.4 Particle density and water absorption 6.4.1 Particle density 6.4.2 Water absorption 7 Chemical requirements 7.1 General 7.2 Petrographic description 7.3 Dangerous substances 8 Durability 8.1 General 8.2 Magnesium sulfate soundness |
| 16 | Table 10 — Categories for maximum magnesium sulfate soundness 8.3 Freeze-thaw resistance 8.3.1 Water absorption as a screening test for freeze-thaw resistance 8.3.2 Resistance to freezing and thawing Table 11 — Categories for maximum freeze-thaw resistance values 8.3.3 Resistance to freezing and thawing in the presence of salt (extreme conditions) |
| 17 | Table 12 — Categories for maximum freeze-thaw resistance in the presence of salt 8.4 Electrical conductivity 8.5 Sonnenbrand Table 13 — Categories for maximum values of resistance to “Sonnenbrand” |
| 18 | 9 Assessment and verification of constancy of performance 10 Designation 10.1 Designation and description 10.2 Additional information for the description of railway ballast 11 Marking and labelling |
| 19 | Annex A (normative) Source materials considered in the development of EN 13450 and their status in respect of the scope of this standard Table A.1 — Inventory list with classification codes and status for source materials for EN 13450 railway ballast (1 of 2) |
| 20 | Table A.1 (2 of 2) |
| 22 | Annex B (informative) Sampling railway ballast at the construction site either from a railway wagon or from the track B.1 Introduction B.2 Sampling railway ballast from a railway wagon B.3 Sampling railway ballast from track without use of a steel frame |
| 23 | B.4 Sampling railway ballast from track using a steel frame |
| 24 | Figure B.1 — Frame for sampling railway ballast |
| 25 | Annex C (informative) Guidance on interpretation of results when samples of railway ballast have been taken from railway wagon or from track Table C.1 — Degradation of railway ballast during transport |
| 26 | Annex D (normative) Conditions to be applied to the test procedure specified in EN 1367-2 for the determination of the resistance of railway ballast to the magnesium sulfate test (see 7.2) D.1 General D.2 Apparatus D.3 Reagents D.4 Preparation of test specimens D.5 Procedure D.6 Calculation and expression of results |
| 27 | D.7 Test report |
| 28 | Annex E (normative) Conditions to be applied to the test procedure specified in EN 1367-1 for determination of the resistance to freezing and thawing of railway ballast (see 8.3.2) E.1 General E.2 Exposure to freezing under water E.3 Test report |
| 29 | Annex F (informative) Procedure for the incorporation of new source materials F.1 General procedure F.2 Format |
| 30 | Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU Construction Products Regulation ZA.1 Scope and relevant characteristics Table ZA.1. — Relevant clauses for aggregates for railway ballast |
| 31 | ZA.2 Procedure for AVCP of aggregates for railway ballast ZA.2.1 Systems of AVCP |
| 32 | Table ZA.2.1 — Systems of AVCP of aggregates for railway ballast for uses with high safety requirements1) Table ZA.2.2 — Systems of AVCP of aggregates for uses without high safety requirements1) Table ZA.3.1 — Assignment of AVCP tasks for aggregates for railway ballast under system 2+ |
| 33 | Table ZA.3.2 — Assignment of AVCP tasks for aggregates for railway ballast under system 4 ZA.2.2 Declaration of performance (DoP) ZA.2.2.1 General |
| 34 | ZA.2.2.2 Content ZA.2.2.3 Examples of DoP |
| 38 | ZA.3 CE marking and labelling |
| 40 | Figure ZA.1 — Example CE marking information of products under AVCP system 2+ |
| 42 | Figure ZA.2 — Example CE marking information of products under AVCP system 4 |
