EN 12274-5:2018

SLOVENSKI STANDARD
01-maj-2018
1DGRPHãþD
SIST EN 12274-5:2004
Tankoplastne prevleke po hladnem postopku - Preskusne metode - 5. del:
Ugotavljanje minimalnega deleža veziva in odpornosti proti obrabi
Slurry surfacing - Test method - Part 5: Determination of the minimum binder content and
wearing resistance
Dünne Asphaltschicht in Kaltbauweise - Prüfverfahren - Teil 5: Bestimmung des
Verschleißes
Ta slovenski standard je istoveten z: EN 12274-5:2018
ICS:
93.080.20 Materiali za gradnjo cest Road construction materials
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 12274-5
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2018
EUROPÄISCHE NORM
ICS 93.080.20 Supersedes EN 12274-5:2003
English Version
Slurry surfacing - Test method - Part 5: Determination of
the minimum binder content and wearing resistance
Matériaux bitumineux coulés à froid - Méthode d'essai Dünne Asphaltdeckschichten in Kaltbauweise -
- Partie 5: Détermination de la teneur minimum en Prüfverfahren - Teil 5: Bestimmung des
liant et de la résistance à l'usure Mindestbindemittelgehaltes und des Verschleißes von
Bitumenschlämmen
This European Standard was approved by CEN on 13 November 2017.

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, Serbia, 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: Rue de la Science 23, B-1040 Brussels
© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12274-5:2018 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Principle . 4
5 Materials . 5
5.1 Coarse aggregates and fine aggregates . 5
5.2 Reactive filler . 5
5.3 Emulsion . 5
6 Apparatus . 5
6.1 Apparatus used for preparation of samples . 5
6.2 Apparatus used for testing. 6
7 Preparation of sample . 9
7.1 Conditioning temperature . 9
7.2 Water addition . 10
7.3 Aggregates and reactive filler . 10
7.4 Water and additive . 10
7.5 Emulsion . 10
7.6 Sample size . 10
7.7 Curing . 11
8 Test procedure . 11
9 Expression of results . 12
9.1 Test sample mass . 12
9.2 Conversion factor . 12
9.3 Test result . 12
10 Test report . 12
11 Precision . 12
Annex A (informative) Minimum amount of emulsion for slurry surfacing with a given
aggregate composition to withstand the abrasive action of traffic . 13
Annex B (informative) Resistance to wear of the mix at early stage under different traffic
and climatic conditions . 14
B.1 General . 14
B.2 Curing . 14
B.3 Test procedure for determining the resistance to wear . 14

European foreword
This document (EN 12274-5:2018) has been prepared by Technical Committee CEN/TC 227 “Road
materials”, the secretariat of which is held by DIN.
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 September 2018, and conflicting national standards shall
be withdrawn at the latest by September 2018.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 12274-5:2003.
Compared with EN 12274-5:2003, the following changes have been made:
a) In 6.1 the humidity is reduced from 100 % to 60 %;
b) In 6.2 the Abrasion machine is defined in terms of rotating speed and force applied.
This European Standard is one of a series of standards as listed below:
— EN 12274-1, Slurry surfacing — Test methods — Part 1: Sampling of slurry surfacing mixture;
— EN 12274-2, Slurry surfacing — Test methods — Part 2: Determination of residual binder content
including preparation of samples;
— EN 12274-3, Slurry surfacing — Test methods — Part 3: Consistency;
— EN 12274-4, Slurry surfacing — Test methods — Part 4: Determination of cohesion of the mix;
— EN 12274-5, Slurry surfacing — Test methods — Part 5: Determination of the minimum binder content
and wearing resistance;
— EN 12274-6, Slurry surfacing — Test methods — Part 6: Rate of application;
— EN 12274-7, Slurry surfacing — Test methods — Part 7: Shaking abrasion test;
— EN 12274-8, Slurry surfacing — Test methods — Part 8: Visual assessment of defects.
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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
the United Kingdom.
1 Scope
This European Standard specifies a test method for the design of slurry surfacing mixture based on the
determination of the minimum binder content of the mixture and the resistance to wear under wet track
abrasion conditions for the purpose to support the mixture design.
This test can be used for quality control purposes.
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 1097-5, Tests for mechanical and physical properties of aggregates - Part 5: Determination of the water
content by drying in a ventilated oven
ISO 48, Rubber, vulcanized or thermoplastic — Determination of hardness (hardness between 10 IRHD and
100 IRHD)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
set
end of the non-reversible process when the emulsion coalescence takes place
Note 1 to entry: The coalescence of an emulsion is the non-reversible phase starting from the beginning of the
breaking of the emulsion to the total setting when the bitumen emulsion reverts to bitumen in presence of a mineral.
Note 2 to entry: After the set of a slurry surfacing: it is not possible to stir the mixture; free emulsion during
washing with water cannot be observed and an absorbent paper is not stained when pressed slightly onto the
surface of the slurry surfacing.
3.2
set time
time elapsed between placing a slurry surfacing and its setting
3.3
quick setting slurry surfacing
slurry with a set time less than or equal to 30 min
3.4
slow setting slurry surfacing
slurry with a set time more than 30 min
4 Principle
The samples are tested under water, after which the mass-loss by abrasion is measured.
The test consists of an abrasive action operated by means of a hard rubber cylinder which exerts a
planetary side gear rubbing pressure, applied for 5 min, on the surface of a test sample of slurry
previously prepared, cured in an oven, and moistened by immersion.
This test method can be used with different curing conditions in the design process for the determination
of:
— minimum amount of emulsion for slurry surfacing with a given aggregate composition to withstand
the abrasive action of traffic (Annex A);
— resistance to wear of the mix at early stage under different traffic and climatic conditions (Annex B).
5 Materials
5.1 Coarse aggregates and fine aggregates
A sufficient amount of the separated aggregates to be used in the slurry shall be dried in an oven at
(110 ± 5) °C to reach constant mass, according to EN 1097-5.
Wet aggregates may be used, preferably at their own natural moisture. In case of natural moisture, water
content W is determined by drying in an oven at a temperature of (110 ± 5) °C until constant mass is
achieved, according to EN 1097-5.
5.2 Reactive filler
The reactive filler, e.g. cement or hydrated lime, shall be dried in an oven at (110 ± 5) °C to reach constant
mass, according to EN 1097-5.
5.3 Emulsion
The emulsion shall be manually homogenized by stirring intensively with a metal spatula.
6 Apparatus
6.1 Apparatus used for preparation of samples
1) Drying oven, with a forced air system and a minimum capacity of 80 L capable of maintaining a
temperature of (60 ± 5) °C.
2) Oven, thermostatically controlled to maintain a temperature of (110 ± 5) °C.
3) Climatic chamber, capable of maintaining a temperature of (5 ± 1) °C and a humidity of (60 ± 10)
%. See Clause 8 and Annex A and B.
4) Balance, accurate to 0,1 g.
5) Timing device, accurate to 1 s.
6) Ring-shaped annular metal moulds, with an internal diameter of (279,0 0,5) mm and external
±
diameter of (295,0 ± 0,5) mm. The heights of these moulds shall be as follows:
— Type A (6,3 ± 0,5) mm;
— Type A1 (8,0 ± 0,5) mm;
— Type B (10,0 ± 0,5) mm;
— Type C (13,0 ± 0,5)
...