SIST EN 12697-35:2016

Bituminous mixtures - Test methods - Part 35: Laboratory mixing

This European Standard describes the laboratory mixing of bituminous materials for the manufacture of specimens. The standard specifies the reference installation temperatures for mixing based on the paving grade of the binder.
For asphalt mixtures using foamed bitumen or bitumen emulsions, Annex A or A.5.6, respectively, shall be used.
Once mixed, mastic asphalt samples shall be prepared in accordance with B.3.

Asphalt - Prüfverfahren - Teil 35: Labormischen

Diese Europäische Norm beschreibt das Mischen von Asphalt im Labor zur Herstellung von Probekörpern. Die Norm legt die Bezugstemperaturen für die Verdichtung fest, die beim Mischen auf der Grundlage der Bindemittelsorte für Straßenbaubitumen und hartes Straßenbaubitumen einzuhalten sind.
Anhang A beschreibt das Verfahren zur Herstellung von Proben aus Asphalt mit Schaumbitumen.
Anhang B beschreibt das Verfahren zur Herstellung von Proben aus Asphalt mit Bitumenemulsion.
Nach dem Mischen werden Gussasphaltprobekörper nach Anhang C hergestellt.

Mélanges bitumineux - Essais - Partie 35: Malaxage de laboratoire

La présente Norme européenne décrit le mélange de matériaux bitumineux en laboratoire dans le cadre de la fabrication d'éprouvettes. Elle définit les températures de mise en oeuvre de référence pour le mélange en fonction du grade du liant routier.
Pour les mélanges à base de mousse ou d'émulsion de bitume, les Annexes A et A.5.6 doivent être respectivement utilisées.
Une fois malaxées, les éprouvettes d'asphalte coulé doivent être préparées conformément à l'Annexe B.3.

Bitumenske zmesi - Preskusne metode - 35. del: Laboratorijska zmes

Ta evropski standard opisuje laboratorijske zmesi iz bitumenskih materialov za izdelavo vzorcev. Standard določa referenčne inštalacijske temperature za zmesi na podlagi cestnogradbenih lastnosti veziva.
Za asfaltne zmesi, pri katerih se uporabljajo penasti bitumen ali bitumenske emulzije, se uporablja dodatek A ali točka A.5.6.
Po izdelavi zmesi je treba pripraviti vzorce litega asfalta v skladu s točko B.3.

General Information

• Status: Published
• Public Enquiry End Date: 30-Dec-2014
• Publication Date: 19-May-2016
• ICS: 93.080.20 - Road construction materials
• Technical Committee: CES - Roads
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 14-Apr-2016
• Due Date: 19-Jun-2016
• Completion Date: 20-May-2016
• Ref Project: EN 12697-35:2016 - Bituminous mixtures - Test methods - Part 35: Laboratory mixing

Relations

• Replaces: SIST EN 12697-35:2005+A1:2007 - Bituminous mixtures - Test methods for hot mix asphalt - Part 35: Laboratory mixing
• Effective Date: 01-Jun-2016
• Replaces: SIST EN 12697-35:2005+A1:2007 - Bituminous mixtures - Test methods for hot mix asphalt - Part 35: Laboratory mixing
• Effective Date: 08-Jun-2022

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 12697-35:2016
01-junij-2016
1DGRPHãþD
SIST EN 12697-35:2005+A1:2007
Bitumenske zmesi - Preskusne metode - 35. del: Laboratorijska zmes
Bituminous mixtures - Test methods - Part 35: Laboratory mixing
Asphalt - Prüfverfahren - Teil 35: Labormischen
Mélanges bitumineux - Essais - Partie 35: Malaxage de laboratoire
Ta slovenski standard je istoveten z: EN 12697-35:2016
ICS:
93.080.20 Materiali za gradnjo cest Road construction materials
SIST EN 12697-35:2016 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 12697-35:2016

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SIST EN 12697-35:2016


EN 12697-35
EUROPEAN STANDARD

NORME EUROPÉENNE

April 2016
EUROPÄISCHE NORM
ICS 93.080.20 Supersedes EN 12697-35:2004+A1:2007
English Version

Bituminous mixtures - Test methods - Part 35: Laboratory
mixing
Mélanges bitumineux - Méthodes d'essais - Partie 35 : Asphalt - Prüfverfahren - Teil 35: Labormischen
Malaxage de laboratoire
This European Standard was approved by CEN on 23 January 2016.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12697-35:2016 E
worldwide for CEN national Members.

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SIST EN 12697-35:2016
EN 12697-35:2016 (E)
Contents Page
European foreword . 4
1 Scope . 8
2 Normative references . 8
3 Terms, definitions and symbols . 9
3.1 Terms and definitions . 9
3.2 Symbols . 9
4 Principle . 10
5 Apparatus . 10
6 Procedure. 10
6.1 Mixing temperature . 10
6.2 Preparation of aggregate and filler . 11
6.3 Preparation of reclaimed asphalt . 12
6.4 Preparation of binder . 13
6.5 Mixing . 13
7 Test report . 15
Annex A (normative) Asphalt using foamed bitumen . 16
A.1 General . 16
A.2 Apparatus . 16
A.3 Procedure using a laboratory foam generator . 16
A.3.1 Preparation of aggregate and filler . 16
A.3.2 Preparation of reclaimed asphalt . 16
A.3.3 Preparation of binder . 16
A.3.4 Mixing . 17
A.3.5 Conditioning . 17
A.4 Procedure using foam bitumen without a laboratory foam generator . 17
A.4.1 Preparation of aggregate and filler . 17
A.4.2 Preparation of reclaimed asphalt . 17
A.4.3 Preparation of binder . 17
A.4.4 Mixing . 17
A.4.5 Conditioning . 18
A.5 Procedure using a wet fraction of aggregate or reclaimed asphalt . 18
A.5.1 Preparation of aggregate and filler . 18
A.5.2 Preparation of reclaimed asphalt . 18
A.5.3 Preparation of the wet fraction . 18
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SIST EN 12697-35:2016
EN 12697-35:2016 (E)
A.5.4 Preparation of binder . 18
A.5.5 Mixing. 18
A.5.6 Conditioning . 19
Annex B (normative) Asphalt using bitumen emulsion . 20
B.1 General . 20
B.2 Procedure 1 with wet particles. 20
B.2.1 Preparation of aggregate and filler . 20
B.2.2 Preparation of reclaimed asphalt . 20
B.2.3 Preparation of binder (emulsion) . 21
B.2.4 Mixing. 21
B.3 Procedure 2 with dry particles . 21
B.3.1 Preparation of aggregate and filler . 21
B.3.2 Preparation of reclaimed asphalt . 21
B.3.3 Preparation of binder (emulsion) . 21
B.3.4 Mixing. 22
Annex C (normative) Preparing mastic asphalt . 23
Bibliography . 24

3

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SIST EN 12697-35:2016
EN 12697-35:2016 (E)
European foreword
This document (EN 12697-35:2016) has been prepared by Technical Committee CEN/TC 227 “Road
materials”, the secretariat of which is held by DIN.
This document supersedes EN 12697-35:2004+A1:2007.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by October 2016, and conflicting national standards shall
be withdrawn at the latest by October 2016.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent
rights.
Compared with EN 12697-35:2004+A1:2007, the following changes have been made:
a) Title changed to allow inclusion of asphalt produced at lower temperatures;
b) Annex A (normative) added for the manufacture of samples of asphalt with foamed bitumen;
c) Annex B (normative) added for the manufacture of samples of asphalt with bitumen emulsion;
d) Annex C (normative) added for the manufacture of samples from mastic asphalt;
e) introduction of formula for super-heating aggregate when significant proportions of reclaimed
asphalt are used;
f) “Target mixing temperature” extended to “target laboratory mixing temperature” and used
throughout the document;
g) introduction of the term “Reference compaction temperature”;
h) determination of reference compaction temperature in 6.1 extended, including an allowance to
reduce it for asphalt mixtures designed to be produced at lower temperatures;
i) the term “pen” removed from units in Table 1;
j) the time to reach mixing temperature in 6.2.4 changed;
k) “RAP” changed to “reclaimed asphalt” in 6.3;
l) the option to defer adding the filler in 6.5.3 extended to allow deferring adding the fine aggregate as
well or instead;
m) added requirement for addition of cold reclaimed asphalt to the mixer;
n) adjusted scope to be in line with text in Table 1.
4

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SIST EN 12697-35:2016
EN 12697-35:2016 (E)
This European standard is one of a series of standards as listed below:
— EN 12697-1, Bituminous mixtures — Test methods for hot mix asphalt — Part 1: Soluble binder
content
— EN 12697-2, Bituminous mixtures — Test methods — Part 2: Determination of particle size
distribution
— EN 12697-3, Bituminous mixtures — Test methods for hot mix asphalt — Part 3: Bitumen recovery:
Rotary evaporator
— EN 12697-4, Bituminous mixtures — Test methods — Part 4: Bitumen recovery: Fractionating
column
— EN 12697-5, Bituminous mixtures — Test methods for hot mix asphalt — Part 5: Determination of the
maximum density
— EN 12697-6, Bituminous mixtures — Test methods for hot mix asphalt — Part 6: Determination of
bulk density of bituminous specimens
— EN 12697-7, Bituminous mixtures — Test methods for hot mix asphalt — Part 7: Determination of
bulk density of bituminous specimens by gamma rays
— EN 12697-8, Bituminous mixtures — Test methods for hot mix asphalt — Part 8: Determination of
void characteristics of bituminous specimens
— EN 12697-10, Bituminous mixtures —Test methods for hot mix asphalt — Part 10: Compactability
— EN 12697-11, Bituminous mixtures — Test methods for hot mix asphalt — Part 11: Determination of
the affinity between aggregate and bitumen
— EN 12697-12, Bituminous mixtures — Test methods for hot mix asphalt — Part 12: Determination of
the water sensitivity of bituminous specimens
— EN 12697-13, Bituminous mixtures — Test methods for hot mix asphalt — Part 13: Temperature
measurement
— EN 12697-14, Bituminous mixtures — Test methods for hot mix asphalt — Part 14: Water content
— EN 12697-15, Bituminous mixtures — Test methods for hot mix asphalt — Part 15: Determination of
the segregation sensitivity
— EN 12697-16, Bituminous mixtures — Test methods — Part 16: Abrasion by studded tyres
— EN 12697-17, Bituminous mixtures — Test methods for hot mix asphalt — Part 17: Particle loss of
porous asphalt specimen
— EN 12697-18, Bituminous mixtures — Test methods for hot mix asphalt — Part 18: Binder drainage
— EN 12697-19, Bituminous mixtures — Test methods for hot mix asphalt — Part 19: Permeability of
specimen
— EN 12697-20, Bituminous mixtures — Test methods for hot mix asphalt — Part 20: Indentation using
cube or cylindrical specimens (CY)
5

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SIST EN 12697-35:2016
EN 12697-35:2016 (E)
— EN 12697-21, Bituminous mixtures — Test methods for hot mix asphalt — Part 21: Indentation using
plate specimens
— EN 12697-22, Bituminous mixtures — Test methods for hot mix asphalt — Part 22: Wheel tracking
— EN 12697-23, Bituminous mixtures — Test methods for hot mix asphalt — Part 23: Determination of
the indirect tensile strength of bituminous specimens
— EN 12697-24, Bituminous mixtures — Test methods for hot mix asphalt — Part 24: Resistance to
fatigue
— EN 12697-25, Bituminous mixtures — Test methods for hot mix asphalt — Part 25: Cyclic
compression test
— EN 12697-26, Bituminous mixtures — Test methods for hot mix asphalt — Part 26: Stiffness
— EN 12697-27, Bituminous mixtures — Test methods for hot mix asphalt — Part 27: Sampling
— EN 12697-28, Bituminous mixtures — Test methods for hot mix asphalt — Part 28: Preparation of
samples for determining binder content, water content and grading
— EN 12697-29, Bituminous mixtures — Test method for hot mix asphalt — Part 29: Determination of
the dimensions of a bituminous specimen
— EN 12697-30, Bituminous mixtures — Test methods for hot mix asphalt — Part 30: Specimen
preparation by impact compactor
— EN 12697-31, Bituminous mixtures — Test methods for hot mix asphalt — Part 31: Specimen
preparation by gyratory compactor
— EN 12697-32, Bituminous mixtures — Test methods for hot mix asphalt — Part 32: Laboratory
compaction of bituminous mixtures by vibratory compactor
— EN 12697-33, Bituminous mixtures — Test methods for hot mix asphalt — Part 33: Specimen
prepared by roller compactor
— EN 12697-34, Bituminous mixtures — Test methods for hot mix asphalt — Part 34: Marshall test
— EN 12697-35, Bituminous mixtures — Test methods — Part 35: Laboratory mixing
— EN 12697-36, Bituminous mixtures — Test methods for hot mix asphalt — Part 36: Determination of
the thickness of a bituminous pavement
— EN 12697-37, Bituminous mixtures — Test methods for hot mix asphalt — Part 37: Hot sand test for
the adhesivity of binder on precoated chippings for HRA
— EN 12697-38, Bituminous mixtures — Test methods for hot mix asphalt — Part 38: Common
equipment and calibration
— EN 12697-39, Bituminous mixtures — Test methods for hot mix asphalt — Part 39: Binder content by
ignition
— EN 12697-40, Bituminous mixtures — Test methods for hot mix asphalt — Part 40: In situ
drainability
6

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SIST EN 12697-35:2016
EN 12697-35:2016 (E)
— EN 12697-41, Bituminous mixtures — Test methods for hot mix asphalt — Part 41: Resistance to de-
icing fluids
— EN 12697-42, Bituminous mixtures — Test methods for hot mix asphalt — Part 42: Amount of foreign
matter in reclaimed asphalt
— EN 12697-43, Bituminous mixtures — Test methods for hot mix asphalt — Part 43: Resistance to fuel
— EN 12697-44, Bituminous mixtures — Test methods for hot mix asphalt — Part 44: Crack
propagation by semi-circular bending test
— EN 12697-45, Bituminous mixtures — Test methods for hot mix asphalt — Part 45: Saturation Ageing
Tensile Stiffness (SATS) conditioning test
— EN 12697-46, Bituminous mixtures — Test methods for hot mix asphalt — Part 46: Low temperature
cracking and properties by uniaxial tension tests
— EN 12697-47, Bituminous mixtures — Test methods for hot mix asphalt — Part 47: Determination of
the ash content of natural asphalts
— prEN 12697-48, Bituminous mixtures — Test methods for hot mix asphalt — Part 48: Interlayer
1)
Bonding
— EN 12697-49, Bituminous mixtures — Test methods for hot mix asphalt — Part 49: Determination of
friction after polishing
1)
— FprCEN/TS 12697-50, Bituminous mixtures — Test methods — Part 50: Resistance to scuffing
1)
— FprCEN/TS 12697-51, Bituminous mixtures — Test methods — Part 51: Surface shear strength test
— prEN 12697-52, Bituminous mixtures — Test methods — Part 52: Conditioning to address oxidative
1)
ageing
— prEN 12697-53, Bituminous mixtures — Test methods — Part 53: Cohesion increase by spreadability-
1)
meter method
According to the CEN/CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

1) Currently at Enquiry stage.
7

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SIST EN 12697-35:2016
EN 12697-35:2016 (E)
1 Scope
This European Standard describes the laboratory mixing of bituminous materials for the manufacture
of specimens. The standard specifies the reference compaction temperatures for mixing based on the
grade of the binder for paving grade and hard paving grade bitumen.
Annex A describes the method for manufacture of samples of asphalt mixtures using foamed bitumen.
Annex B describes the method for manufacture of samples of asphalt mixtures using bitumen emulsion.
Once mixed, mastic asphalt samples are prepared in accordance with Annex C.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 58, Bitumen and bituminous binders - Sampling bituminous binders
EN 1097-5, Tests for mechanical and physical properties of aggregates - Part 5: Determination of the
water content by drying in a ventilated oven
EN 12591, Bitumen and bituminous binders - Specifications for paving grade bitumens
EN 12697-30, Bituminous mixtures - Test methods for hot mix asphalt - Part 30: Specimen preparation by
impact compactor
EN 12697-31, Bituminous mixtures - Test methods for hot mix asphalt - Part 31: Specimen preparation by
gyratory compactor
EN 12697-32, Bituminous mixtures — Test methods for hot mix asphalt — Part 32: Laboratory
compaction of bituminous specimen by vibratory compactor
EN 12697-33, Bituminous mixtures — Test methods for hot mix asphalt — Part 33: Specimen prepared by
roller compactor
EN 12697-38, Bituminous mixtures - Test methods for hot mix asphalt - Part 38: Common equipment and
calibration
EN 12697-42, Bituminous mixtures - Test methods for hot mix asphalt - Part 42: Amount of foreign matter
in reclaimed asphalt
EN 13108-1, Bituminous mixtures - Material specifications - Part 1: Asphalt Concrete
EN 13108-2, Bituminous mixtures - Material specifications - Part 2: Asphalt Concrete for very thin layers
EN 13108-3, Bituminous mixtures - Material specifications - Part 3: Soft Asphalt
EN 13108-4, Bituminous mixtures - Material specifications - Part 4: Hot Rolled Asphalt
EN 13108-5, Bituminous mixtures - Material specifications - Part 5: Stone Mastic Asphalt
EN 13108-6, Bituminous mixtures - Material specifications - Part 6: Mastic Asphalt
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SIST EN 12697-35:2016
EN 12697-35:2016 (E)
EN 13108-7, Bituminous mixtures - Material specifications - Part 7: Porous Asphalt
prEN 13108-9, Bituminous mixtures - Material specifications - Part 9: Asphalt for Ultra-Thin Layers
EN 13302, Bitumen and bituminous binders - Determination of dynamic viscosity of bituminous binder
using a rotating spindle apparatus
EN 13702, Bitumen and bituminous binders - Determination of dynamic viscosity of modified bitumen by
cone and plate method
EN 13924-1, Bitumen and bituminous binders - Specification framework for special paving grade bitumen
- Part 1: Hard paving grade bitumens
EN 13924-2, Bitumen and bituminous binders - Specification framework for special paving grade bitumen
- Part 2: Multigrade paving grade bitumens
EN 14023, Bitumen and bituminous binders - Specification framework for polymer modified bitumens
3 Terms, definitions and symbols
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1.1
reference compaction temperature
target value at which compaction (or installation for mastic asphalt) of an asphalt mixture starts
Note 1 to entry: The term “reference compaction temperature” is used here for mastic asphalt despite mastic
asphalt not being compacted.
3.1.2
target laboratory mixing temperature
value at which component materials are mixed to form an asphalt mixture
3.1.3
maximum laboratory mixing temperature
value that an asphalt mixture shall not exceed during the mixing process
3.1.4
reclaimed asphalt temperature
target value to which a reclaimed asphalt shall be heated before mixing
3.2 Symbols
θ is the reference compaction temperature
RCT
θ is the target laboratory mixing temperature
TLMT
θ is the reclaimed asphalt temperature
RA
θ is the temperature to which the fresh aggregate shall be heated
FA
p is the proportion of reclaimed asphalt
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SIST EN 12697-35:2016
EN 12697-35:2016 (E)
4 Principle
The bituminous mixture is prepared at a target laboratory mixing temperature within a time that is
limited in order to reduce mechanical degradation of the aggregates and thermal degradation of the
binder.
NOTE The target laboratory mixing temperature for mixing is related to the grade of binder and to the
reference compaction temperatures used for its subsequent compaction.
5 Apparatus
5.1 Laboratory mixer capable of entirely coating all mineral substances in not more than 5 min.
The mixer shall be of the whisk or other type that is not so rigid that it can damage either the aggregate
particles or the bowl.
NOTE It is preferable for the mixer to be equipped with a thermostatically controlled heating system, a
mechanical speed control; and a mixing time programmer.
5.2 Ventilated oven, for heating aggregates and bitumen up to a temperature at least 20 °C above the
relevant reference compaction temperature indicated in Table 1 to the accuracy given in EN 12697-38.
5.3 Balance, capable of measuring the mass of the intended mixture to the accuracy given in
EN 12697-38.
5.4 Device, capable of measuring the relevant target laboratory mixing temperature to the accuracy
given in EN 12697-38.
5.5 Adjustable hot plate, capable of maintaining the required target laboratory mixing temperature
during the manual mixing to the accuracy given in EN 12697-38.
6 Procedure
6.1 Mixing temperature
Unless given in the European Standard for the compaction device to be used (EN 12697-30,
EN 12697-31, EN 12697-32 or EN 12697-33), the reference compaction temperature shall be either:
— for mixtures with paving grade bitumen to EN 12591 or hard paving grade bitumen in accordance
with EN 13924-1, the reference compaction temperatures given in Table 1, or
— for mixtures with modified binders or other additives or with multigrade bitumen in accordance
with EN 13924-2, a temperature at which the binder has a viscosity similar to the binders at the
temperature provided in Table 1 or the temperature at which the binder has a dynamic viscosity of
(0,28 ± 0,03) Pa·s measured to EN 13702 or EN 13302, or
— for mixtures with modified binders in accordance with EN 14023 or other additives or multigrade
bitumen in accordance with EN 13924-2, the temperatures indicated by suppliers, or
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SIST EN 12697-35:2016
EN 12697-35:2016 (E)
— for mixtures with reclaimed asphalt, the temperature shall be calculated in accordance with the
relevant product standard using the overall penetration or softening point or viscosity calculated
from the penetrations or softening points or viscosities and proportions of both the added binder
and the binder recovered from the reclaimed asphalt in accordance with EN 13108-1, EN 13108-2,
EN 13108-3, EN 13108-4, EN 13108-5, EN 13108-6, EN 13108-7 or prEN 13108-9 as appropriate,
or
— for asphalts designed to be produced at lower temperatures, the temperature at which compaction
is intended for the asphalt during normal production.
Table 1 — Reference compaction temperatures for mixtures with paving grade and hard paving
grade bitumen
Reference compaction temperature
Reference compaction
for:
Paving Paving temperature for mixtures
°C
grade of grade of of types other than mastic
Mixtures of types Mastic
bitumen bitumen asphalt
other than mastic asphalt
°C
asphalt mixtures
10/20 to
180 230  250/330 130
20/30
30/45 175 220  330/430 125
35/50 165 210  500/650 120
40/60 155 200  650/900 115
50/70 150 -  V12000 115
70/100 145 -  V6000 110
100/150 140 -  V3000 100
160/220 135 -  V1500 90

The maximum laboratory mixing temperature reached shall not be more than 20 °C above the reference
compaction temperature. The target laboratory mixing temperature shall be selected so that the
mixture will have cooled to the reference compaction temperature ± 5 °C when compaction is due to
commence but shall not be greater than the maximum laboratory mixing temperature. For mastic
asphalt, the target laboratory mixing temperature for the preparation of binder in 6.4, only shall use the
reference compaction temperatures in the column for mastic asphalt.
NOTE The target laboratory mixing temperature is generally the temperature at which the binder has a
dynamic viscosity of (0,17 ± 0,02) Pa·s,
6.2 Preparation of aggregate and filler
6.2.1 The mineral aggregate shall consist either of the particle mixture, as supplied, with the required
particle size distribution, or of a set of fractions from which the required particle size distribution can
be constructed. If not already dry, dry the aggregate, including the filler, at (110 ± 5) °C to constant mass
in a ventilated oven. Constant mass is obtained when successive weighings at least 1 h apart do not
differ by more than 0,1 % of the test portion mass.
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SIST EN 12697-35:2016
EN 12697-35:2016 (E)
6.2.2 Weigh the aggregate, including the filler, with an accuracy of 0,1 %. The measured quantity shall
c
...