BSI 15/30310344 DC:2015 Edition
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BS EN 12620. Aggregates for concrete
| Published By | Publication Date | Number of Pages |
| BSI | 2015 | 61 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Contents Page |
| 6 | Foreword |
| 8 | 1 Scope 2 Normative references |
| 10 | 3 Terms and definitions |
| 12 | 4 General requirements |
| 13 | 5 Geometrical requirements 5.1 General 5.2 Aggregate sizes Table 1 — Sieve sizes for specifying aggregate sizes |
| 14 | 5.3 Grading 5.3.1 General Table 2 — General grading requirements |
| 15 | 5.3.2 Coarse aggregates Table 3 — Overall limits and tolerances for coarse aggregate grading at mid-size sieves 5.3.3 Fine aggregates |
| 16 | 5.3.4 All-in aggregates Table 4 — Tolerances on declared typical grading for fine and all-in aggregate Table 5 — Overall limits for all-in aggregate at intermediate sieves 5.3.5 Special use aggregates and declared grading categories 5.3.6 Grading of added filler |
| 17 | Table 6 — Grading requirements for added filler 5.3.7 Natural graded 0/8 mm aggregates Table 7 — Tolerances on manufacturer’s declared typical grading for natural graded 0/8 mm aggregate 5.4 Fines content |
| 18 | Table 8 — Categories for maximum values of fines content |
| 19 | 5.5 Fines quality Table 9 — Categories for minimum sand equivalent (SE) values Table 10 — Categories for maximum methylene blue (MB) values |
| 20 | 5.6 Particle shape of coarse and all-in aggregates 5.6.1 Flakiness index and shape index Table 11 — Categories for maximum values of flakiness index |
| 21 | Table 12 — Categories for maximum values of shape index 5.6.2 Percentage of crushed particles of coarse and all-in aggregates Table 13 — Categories for percentage of crushed or broken particles (including percentage of totally crushed or broken particles and totally rounded particles) 5.6.3 Angularity of fine aggregates |
| 22 | Table 14 — Categories for angularity of fine aggregates 5.7 Shell content of coarse and all-in aggregates Table 15 — Category for maximum value of shell content of coarse and all-in aggregates 6 Physical requirements 6.1 General 6.2 Resistance to fragmentation Table 16 — Categories for maximum values of Los Angeles coefficient |
| 23 | Table 17 — Categories for maximum values of resistance to impact 6.3 Resistance to wear Table 18 — Categories for maximum values of resistance to wear |
| 24 | 6.4 Particle density and water absorption 6.4.1 Particle density 6.4.2 Water absorption 6.5 Bulk density 6.6 Resistance to polishing of Aggregates for application in trafficked courses Table 19 — Categories for minimum values of resistance to polishing 6.7 Resistance to surface abrasion |
| 25 | Table 20 — Categories for maximum values of resistance to surface abrasion 6.8 Resistance to abrasion from studded tyres for application insurface courses Table 21 — Categories for maximum values of resistance to abrasion from studded tyres 7 Chemical requirements 7.1 General 7.2 Petrographic description 7.3 Classification of the constituents of coarse recycled aggregates |
| 26 | Table 22 — Categories for constituents of coarse recycled aggregates |
| 28 | 7.4 Sulfur containing compounds 7.4.1 Acid-soluble sulfate Table 23 — Categories for maximum values of acid-soluble sulfate content 7.4.2 Total sulfur Table 24 — Categories for maximum values of total sulfur content 7.4.3 Water soluble sulfate content of recycled aggregates |
| 29 | Table 25 — Categories for maximum values of water-soluble sulfate content of recycled aggregates 7.5 Chlorides 7.6 Carbonate content for concrete pavement surface courses of fine aggregates 7.7 Other constituents 7.7.1 Constituents which alter the rate of setting and hardening of concrete |
| 30 | Table 26 — Categories for influence of water-soluble materials from recycled aggregates on the initial setting time of cement paste 7.7.2 Constituents which affect the volume stability of air-cooled blastfurnace slag 7.7.2.1 Dicalcium silicate disintegration of air cooled blast furnace slag 7.7.2.2 Iron disintegration of air cooled blast furnace slag 7.8 Dangerous substances |
| 31 | 8 Durability 8.1 General 8.2 Resistance to weathering Table 27 — Categories for maximum magnesium sulfate soundness 8.3 Freeze – thaw resistance 8.3.1 Water absorption as a screening test for freeze-thaw resistance Table 28 — Categories for maximum values of water absorption (EN 1097-6:2013, Clause 7 or Clause 8) |
| 32 | Table 29 — Categories for maximum values of water absorption (EN 1097-6:2013, Annex B) 8.3.2 Resistance to freezing and thawing Table 30 — Categories for maximum freeze-thaw resistance values 8.3.3 Resistance to freezing and thawing in the presence of salt (extreme conditions) |
| 33 | Table 31 — Categories for maximum freeze-thaw resistance in the presence of salt 8.4 Volume stability – drying shrinkage 8.5 Alkali-silica reactivity 9 Assessment and Verification of Constancy of Performance 10 Designation 10.1 Designation and description |
| 34 | 10.2 Additional information for the description of an aggregate 11 Marking and labelling |
| 35 | Annex A (informative) Source materials considered in the development of EN 12620 and their status in respect of the scope of the standard Table A.1 — Inventory list with classification codes and status for source materials for prEN 12620 aggregates |
| 38 | Annex B (informative) Procedure for the incorporation of new sources B.1 General procedure B.2 Format |
| 39 | Annex C (informative) Guidance on the description of coarseness/fineness of fine aggregates Table C.1 — Coarseness or fineness based on the percentage passing the 0,500 mm sieve Table C.2 — Coarseness or fineness based on the fineness modulus |
| 40 | Annex D (informative) Guidance on the effects of some chemical constituents of aggregates on the durability of concrete in which they are incorporated D.1 Chlorides D.1.1 Chlorides in natural aggregates D.1.2 Chlorides in recycled aggregates D.2 Sulfates |
| 41 | D.3 Alkali-silica reaction D.3.1 Alkali-silica reaction with natural aggregates D.3.2 Alkali-silica reaction with recycled aggregates (including manufactured glass) D.4 Constituents affecting the surface finish of concrete |
| 42 | D.5 Constituents affecting the setting and hardening of concrete D.6 Constituents of air-cooled blastfurnace slag |
| 43 | 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.1a — Relevant clauses for aggregates for concrete materials for use in civil engineering work and road construction |
| 45 | Table ZA.1b — Relevant clauses for fillers for Concrete for use in buildings, Civil Engineering works and Road Construction |
| 46 | ZA.2 Procedure for AVCP of aggregates and filler aggregates ZA.2.1 Systems of AVCP Table ZA.2.1.1 — Systems of AVCP of aggregates for uses with high safety requirements1 Table ZA.2.1.2 — Systems of AVCP of aggregates for uses without high safety requirements0F1) |
| 47 | Table ZA.3.1 — Assignment of AVCP tasks for aggregates and filler aggregates under system 2+ Table ZA.3.2—Assignment of AVCP tasks for aggregates and filler aggregates under system 4 ZA.2.2 Declaration of performance (DoP) ZA.2.2.1 General |
| 48 | ZA.2.2.2 Content |
| 49 | ZA.2.2.3 Examples of DoP |
| 53 | ZA.3 CE marking and labelling |
| 56 | Figure ZA.1 — Example of CE marking information for aggregates for concrete under system 2+ |
| 58 | Figure ZA.2 — Example of CE marking information for aggregates for concrete under system 4 |
| 59 | Figure ZA.3 — Example of CE marking information for fillers under system 2+ |
| 60 | Figure ZA.4 — Example of CE marking information for fillers under system 4 |
| 61 | Bibliography |
