This Published Document gives guidance on the use of BS EN 13108-1:2006, BS EN 13108-2:2008, BS EN 13108-4:2006, BS EN 13108-5:2006, BS EN 13108-7:2006, BS EN 13108-8:2005, BS EN 13108-20:2006 and BS EN 13108-21:2016 .

Clause 1 to Clause 10 of this Published Document give general guidance and background information on BS EN 13108.

Annex A gives guidance on the importance of BS EN 13108 mixture specifications. Annex B contains an example specification which gives the UK choice for specifying asphalt concrete in accordance with BS EN 13108-1. Annex C contains an example specification which gives the UK choice for specifying hot rolled asphalt in accordance with BS EN 13108-4. Annex D contains an example specification which gives the UK choice for specifying stone mastic asphalt in accordance with BS EN 13108-5.

This Published Document does not give guidance on BS EN 13108-6 as this standard is either rarely used in the UK or covered by other guidance.

This Published Document is applicable to mixtures for use on roads and other paved areas, including airfields. Detailed provisions for airfields are specified elsewhere.

NOTE 1 For airfield installations on the defence estate, guidance is given in the Defence Infrastructure Organisation Practitioner’s Guide 06/11 [2].

NOTE 2 There are several asphalt mixtures in general use which have not been covered by British Standards but which are now covered in BS EN 13108. These are stone mastic asphalt, covered by BS EN 13108-5, and asphalt concrete for very thin layers (thin surfacing), covered by BS EN 13108-2.

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PDF Pages	PDF Title
33	Table 1 References to protocols in BS 594987:2015
34	Table 2 �Type‑testing sample preparation and testing requirements for UK asphalt concrete mixtures conforming to BS EN 13108‑1
35	Table 3 �Type-testing sample preparation and testing requirements for UK HRA mixtures conforming to BS EN 13108‑4
36	Table 4 Type- testing sample preparation and testing requirements for UK SMA mixtures conforming to BS EN 13108‑5
40	Table 5 Permitted mean deviations from target (extracted from BS EN 13108‑21:2016, Table A.1) Table 6 Determination of operating compliance level of plant for single results (extracted from BS EN 13108‑21:2016, Table A.3)
41	Table 7 Minimum frequency for analysis of finished product (tonnes/test) (extracted from BS EN 13108‑21:2016, Table A.4)
42	Table 8 �Tolerances to be applied to the declared target grading and binder content (extracted from BS EN 13108‑21:2016, Table A.1)
43	Table 9 Example of a declared specification AC 32 HDM base 40/60 rec
44	Table 10 Example of a declared specification AC 6 dense surf 160/220 PSV 60
45	Table 11 Example of a declared specification HRA 35/14F surf 40/60 des Table 12 Next harder grades for recovered binder assessment
46	Figure B.1 �Example specification giving the UK choice for specifying asphalt concrete in accordance with BS EN 13108‑1 Table A.1 Importance of mixture specifications
52	Table B.1 Aggregate grading target limits for 32 mm designed dense/HDM/HMB base mixtures (AC 32 dense/HDM/HMB base XX/YY des) Table B.2 Binder grades for design base and binder course mixtures Table B.3 Minimum target binder content for designed dense base mixtures
53	Table B.4 Limiting wheel tracking requirements for site classifications
54	Table B.5 Aggregate grading target limits for 32 mm designed dense/HDM/HMB binder course mixtures (AC 32 dense/HDM/HMB bin XX/YY des) Table B.6 Aggregate grading target limits for 20 mm designed dense/HDM/HMB binder course mixtures (AC 20 dense/HDM/HMB bin XX/YY des)
55	Table B.7 Minimum target binder content for designed binder course mixtures
56	Table B.8 Aggregate grading target limits for 20 mm, 14 mm and 10 mm EME2 mixtures (AC 20/14/10 EME2 base/bin XX/YY des) Table B.9 Minimum target binder content, Bact Table B.10 Number of gyrations
58	Table B.11 �Target limits for composition for recipe dense base and binder course mixtures (AC D dense/HDM base/bin XX/YY rec)
59	Table B.12 Target limits for composition for open graded binder course mixtures [AC D open bin XX/YY (grav)]
60	Table B.13 Target limits for composition for open graded surface course mixtures (AC 14 or 10 open surf XX/YY)
61	Table B.14 Target limits for composition for close graded surface course mixtures (AC 14 or 10 close surf XX/YY)
62	Table B.15 Target limits for composition for dense, medium graded and fine graded surface course mixtures (AC D dense/med/fine surf XX/YY)
63	Table B.16 Guidance on selection of binder grades Table B.17 Maximum temperature of the mixture
64	Table B.18 Aggregate grading target limits for 14 mm and 10 mm BBA mixtures (AC 14 or 10 BBA C bin XX/YY des) Table B.19 �Aggregate grading target limits for 14 mm and 10 mm BBA mixtures (AC 14 or 10 BBA C/D surf XX/YY des) Table B.20 Minimum target binder content, Bact
65	Table B.21 Number of gyrations and percentage of air voids Table B.22 Proportional rut depth, P, at 60 °C and 10 000 cycles
66	Table B.23 Stiffness modulus at 15 °C Table B.24 Acceptable strain in fatigue
67	Figure C.1 �Example specification giving the UK choice for specifying HRA in accordance with BS EN 13108‑4 Table B.25 Maximum temperature of the mixture
70	Table C.1 Limits for target composition for base and binder course mixtures
72	Table C.2A �Limits for target composition for surface course mixtures, Type F mixtures A) – Design and recipe target aggregate gradings (HRA %/D F surf XX/YY des/rec)
73	Table C.2B �Limits for target composition for surface course mixtures, Type F recipe mixtures A) – target binder content (HRA %/D F surf XX/YY rec)
74	Table C.2C �Limits for target composition for surface course mixtures, Type C mixtures – Design target aggregate gradings (HRA %/D C surf XX/YY des)
76	Table C.3 Limiting wheel tracking requirements for site classifications Table C.4 Maximum temperature of the mixture
78	Table C.5 Compliance grading of chippings
79	Figure D.1 Example specification giving the UK choice for specifying SMA in accordance with BS EN 13108‑5
82	Table D.1 Limits for target composition for SMA mixtures
83	Table D.2 Limiting wheel tracking recommendations for site classifications
84	Table D.3 Maximum temperature of the mixture

Published By	Publication Date	Number of Pages
BSI	2016	88


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Status	Withdrawn
Title	Guidance on the use of BS EN 13108, Bituminous mixtures. Material specifications
Replaces	PD 6691:2010
Publisher	BSI
Committee	B/510/1
Pages	88
Publication Date	2016-12-31
Withdrawn Date	2022-03-08
Replaced By	PD 6691:2022, PD 6691:2022
ISBN	978 0 580 95869 4
Standard Number	PD 6691:2015+A1:2016
Descriptors	Bituminous products, Mastic asphalts, Conformity, Size classification, Physical properties of materials, Binding agents, Mixtures, Roads, Paved areas, Asphalts, Construction materials, Bitumens, Aggregates, Composition, Concretes
Amends	PD 6691:2015
ICS Codes	93.080.20 - Road construction materials

BSI PD 6691:2015+A1:2016

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