the institute of asphalt technology ce marking of...

The Institute of Asphalt Technology

CE Marking

of

Bituminous Mixtures

&

Aggregate

Dr Reza Shahmohammadi

22nd Jan 2013


Aggregates

BS EN 12620

BS EN 13043

Bituminous Mixes

BS EN 13108


BS EN 13108

European Specification for

Bituminous Mixtures


What have we got

• 8 Product Standards (EN 13108)

• 2 Production Standards (EN 13108)

• 44 Test Standards (EN 12697)

• PD 6691- UK Guidance document for use of EN 13108

• PD 6692 - UK Guidance document for use of EN 12697

• BS 594987 Installation


EN 13108 Standards - Products

• EN 13108 –1 Asphaltic Concrete

• EN 13108 –2 Asphaltic Concrete for very thin Layers

• EN 13108 –3 Soft Asphalt (Nordic Countries)

• EN 13108 –4 Hot Rolled Asphalt

• EN 13108 –5 Stone Mastic Asphalt

• EN 13108 –6 Mastic Asphalt

• EN 13108 –7 Porous Asphalt


EN 13108 Standards - Constituents

• EN 13108-8 Reclaimed Asphalt


EN 13108 Standards - Conformity

• EN 13108-20 Type Testing

• EN 13108-21 Factory Production

Control


Product Testing Standards

EN 12697

• 44 Standards covering the testing of

asphalt mixtures

• Examples : • BS EN 12697 – 6 Bulk Density

• BS EN 12697 – 26 Stiffness

• BS EN 12697 – 34 Marshall test


Important Differences

• ENs relate to the product.. “in the back

of the lorry”

• Target & Tolerance concept

• Some description changes


Important Differences (cont.)

• Mixture are evaluated for product conformity

against the “selected” properties within the

EN Spec.

• Product conformity (attestation of conformity)

is evidenced by CE marking


Important Differences (cont.)

• The specification tolerances for grading and

binder content are NOT included in the

individual product standard- They sit within

EN 13108-21 (PD 6691)

• Binder and filler content are NOT adjusted to

compensate for sampling bias


Type Testing (New Terminology)

• EN 13108 Applies two approaches:

• Empirical Approach

• Specifies Material Based on:

• Composition alone or

• Composition & Performance related tests

– (performance related – testes which indirectly

measure performance (i.e. Void content etc.)


Type Testing – Cont.

• Fundamental Approach

• Specifies Material Based on:

• Performance Based tests, with limited

requirements for composition

– (performance based – testes which

directly measure performance (i.e.

Stiffness, deformation resistance &

fatigue etc.)


Product Description

• Mandatory text

Asphalt Type

AC BBTM HRA SMA PA

Size “D”

2 6 10 14 20 etc

Course Type

Surf Bin Base

Binder Grade

30/45 40/60 70/100 100/150 160/220


Additional Text

Grading Type

Dense / Close / Open / HDM

Recipe or Designed Mixtures

Rec / Des

Miscellaneous

PSV / Reg


Change in Product Description

BS 4987 Mixes

• 0/32 DBM 50 Base (Roadbase)

• 0/20 DBM 100 Binder Course

• 0/32 HDM 50 Base Course

• 0/10 Open Graded SC 200

• 0/14 Thin Surface Course

BS 594 Mixes • 30% 0/14 HRA SC 50

• 35% 0/14 HRA SC 50

• 35% 0/14 HRA SC Des 50

BS EN 13108-1&5

• AC 32 Dense Base 40/60 rec

• AC 20 Dense bin 70/100 rec

• AC 32 HDM base 40/60 rec

• AC 10 open Surf 160/220 rec

• SMA 14 surf PMB 65/100-70 (PSV 60) des

BS EN 13108-4 • HRA 30/14 F surf 40/60 rec

• HRA 35/14 F surf 40/60 rec

• HRA 35/14 F surf 40/60 des


Product Identification

• Mixture designation: Asphaltic concrete

Material Type

Aggregate Size

Grading Type

Surf/bin/base

Binder grade/type

Recipe/ Design

AC 20 dense bin 70/100 rec

Asphaltic Concrete / 20mm agg size dense

binder course / 70-100 pen / recipe mix



• Mixture designation: Asphaltic concrete

Material Type

Aggregate Size

Grading Type

Surf/bin/base

Binder grade/type

Recipe/ Design

AC 32 dense HDM Base 40/60 des

Asphaltic Concrete / 32mm agg size dense

Heavy Duty Macadam base course / 40-60 pen /

Design mix



• Mixture designation: Hot Rolled Asphalt

Material Type

Aggregate Size

Grading Type

Surf/bin/base

Binder grade/type

Recipe/ Design

HRA 30/14 F Surf 40/60 rec

Hot Rolled Asphalt / 30% Stone Content, 14mm

max agg and a type F fine agg/ Surface course /

40/60 pen / recipe mix



• Mixture designation: Stone Mastic Asphalt

Material Type

Aggregate Size

Surf/bin/base

Binder Type

Binder

grade/Softening point

Recipe/ Design

SMA 14 Surf PMB 65/105 – 60 (PSV 60) des

Stone Mastic Asphalt / 14mm max agg / Surface Course /

Polymer Modified Bitumen 65/105 pen & Softening Point

of 60 / containing a coarse agg of PSV 60 / Design Mix



• Mixture designation: Stone Mastic Asphalt

Material Type

Aggregate Size

Surf/bin/base

Binder Grade

Recipe/ Design/ Regulation

SMA 10 Bin 70/100 reg

Stone Mastic Asphalt / 10mm max agg / Binder Course /

using 70/100 pen bitumen laid as regulation


CE Marking Approval process

• Select target grading and binder content from the tables in

the Annex in PD 6691

• Carry out Type Testing according to EN 13108-20 to prove

target mix conformity

• Apply Factory Production Control (FPC) tolerances to the

target composition to formulate the compliances

specification.

• Follow the FPC requirement to manufacture the product

• Certify the system (by approved certifying body) to be able

to CE mark the product


Example for determination of target

grading and it’s limits

• Determine the average grading for the

mixture over last 6 to 12 months and this

should be within grading envelop given

in PD 6691.


Example of a Declared Specification

AC 32 HDM bin 40/60

Test Sieve

mm

Target

Composition

PD 6691

Annex B

40 100

31.5 99-100

20 80-86

6.3 44-60

2 27-33

0.25 11-15

0.063 7-11

Binder 4.2



AC 32 HDM bin 40/60

Test Sieve

mm

Target

Composition

PD 6691

Annex B

Declared

Target

Grading/

Binder

40 100 100

31.5 99-100 99

20 80-86 82

6.3 44-60 52

2 27-33 28

0.25 11-15 12

0.063 7-11 8

Binder 4.2 4.2



AC 32 HDM bin 40/60

Test Sieve

mm

Target

Composition

PD 6691

Annex B

Declared

Target

Grading/

Binder

Tolerances

from EN

13108-21

Table a.1

40 100 100 -2 +0

31.5 99-100 99 -9 +5

20 80-86 82 ± 9

6.3 44-60 52 ± 9

2 27-33 28 ± 7

0.25 11-15 12 ± 5

0.063 7-11 8 ± 3

Binder 4.2 4.2 ± 0.6



AC 32 HDM bin 40/60

Test Sieve

mm

Target

Composition

PD 6691

Annex B

Declared

Target

Grading/

Binder

Tolerances

from EN

13108-21

Table a.1

Conformity

specification

40 100 100 -2 +0 98 – 100

31.5 99-100 99 -9 +5 90 – 100

20 80-86 82 ± 9 73 – 91

6.3 44-60 52 ± 9 43 – 61

2 27-33 28 ± 7 21 – 35

0.25 11-15 12 ± 5 7 – 17

0.063 7-11 8 ± 3 5 – 11

Binder 4.2 4.2 ± 0.6 3.6 – 4.8



AC 32 HDM bin 40/60

Test Sieve

mm

Conformity

specification

40 98 – 100

31.5 90 – 100

20 73 – 91

6.3 43 – 61

2 21 – 35

0.25 7 – 17

0.063 5 – 11

Binder 3.6 – 4.8


PD6691: 2010

Guidance on the use of BS EN

13108 Bituminous Mixtures –

Material Specifications


PD6692: 2010

Guidance on the use of BS EN 12697

Bituminous Mixtures – Test Methods

fr hot mix asphalt


BS 594987 : 2010

• This is the baseline document for all asphalt works.

• Applies principally to Parts 1, 4 and 5 of BS EN

13108 relating to Asphalt Concrete, Hot Rolled

Asphalt (including application of coated chippings to

provide texture for skid resistance) and Stone Mastic

Asphalt,

• Applies from the point of collection from the

production plant until the materials are in-situ and

ready to receive a further superimposed layer or

traffic.


Attestation of Conformity

• Initial Type Testing

• Factory Production Control

• Evaluation of Conformity

• CE-marking


Attestation of Conformity

• To obtain CE mark there is a Procedure of Attestation

of Conformity For asphalt

1. Initial type testing – by the manufacturer.

2. Factory production control - by the manufacturer.

3. Initial inspection plus a continuous surveillance of the FPC

by a notified body (a neutral third party).


CE-marking

• In CPD the use of CE marking is described

• A product for construction works and placed on the

European internal market must have a CE marking.

• CE marking on a product indicates that the product

satisfies all the provisions of the CPD, including the

conformity assessment procedures.

• Asphalt mix produced according to the harmonised

European standards, must carry the so called CE

marking



Aggregates for Concrete

BS EN 12620


PD 6682-1: 2009


Aggregates for Concrete



Aggregates for Bituminous

Mixtures

BS EN 13043


PD 6682-2: 2009


Aggregates for Bituminous Mixtures

and Surface treatments for roads,

Airfields and other trafficked areas



Aggregates for Mortar

BS EN 13139


PD 6682-3: 2009


Aggregates for Mortar


AGGREGATE SIZE (d/D)

lower sized sieve (“d”)

higher size sieve (“D”)

old 20mm single size stone will now be

classed as 10/20


AGGREGATE SIZE (d/D)

BS 63 New EN

40mm 20/40

28mm 20/32

20mm 10/20

14mm 6.3/14

10mm 4/10

6mm 2/6.3

3mm 1/4

CRF 0/4 all-in

Fine Sand 0/2FP


GRADING CATEGORY (Gc)

Percentage of material passing d/D

10/20 would have a grading

category Gc85/20

Not less than 85% passing “D”

Not more than 20% passing “d”


Aggregate Test - Flakiness (FI35)

Flakiness test has changed you now

use a bar sieve along with the new

sieve sizes.

Results are lower then the old method


Aggregate Test – Los Angeles (LA30)

• Is new to the UK, it measures the

fragmentation / strength

• Replace the old 10% Fines value

• The lower the number the harder the stone

• LA of 30 or less will be within

specification.


MICRO-DEVAL (MDE)

New to the UK and is similar to

the Los Angeles test but measures

the resistance of an aggregate to

wear.


Polished Stone Value (PSV)

This has stayed the same as before.

the institute of asphalt technology ce marking of...

Documents