Bituminous mixtures - Test methods - Part 43: Resistance to fuel

This document specifies a test method to determine the resistance of a bituminous mixture or pavement to fuels. The procedure involves initial soaking of a test specimen made in the laboratory or cored from a pavement in a fuel, followed by a brushing period with a brush test device. The material loss of the specimen is a measure of the resistance to that fuel for that bituminous mixture.

Asphalt - Prüfverfahren - Teil 43: Widerstand gegen Treibstoffe

Dieses Dokument legt ein Prüfverfahren zur Bestimmung der Treibstoffbeständigkeit von Asphaltmischgütern oder Fahrbahnbefestigungen aus Asphalt fest. Dieses Verfahren besteht darin, einen im Labor hergestellten oder durch Kernbohren aus einer Fahrbahnbefestigung entnommenen Probekörper zunächst in Treibstoff zu lagern und ihn dann in einem Bürstenprüfgerät zu bürsten. Der Materialverlust des Probekörpers ist ein Maß für die Beständigkeit des betreffenden Asphalts gegenüber dem betreffenden Treibstoff.

Mélanges bitumineux - Méthodes d'essais - Partie 43 : Résistance aux carburants

La présente Norme européenne spécifie une méthode d’essai destinée à déterminer la résistance aux carburants d’un mélange bitumineux ou d’une chaussée bitumineuse. Le mode opératoire implique tout d’abord l’immersion dans un carburant d’une éprouvette préparée en laboratoire ou extraite de la chaussée, suivie d’une phase d’abrasion au moyen d’un dispositif d'essai de brossage. La perte de matériau de l’éprouvette permet de mesurer la résistance du mélange bitumineux à ce carburant.

Bitumenske zmesi - Preskusne metode - 43. del: Odpornost proti gorivu

General Information

Status
Not Published
Public Enquiry End Date
08-Sep-2021
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
20-Jun-2023
Due Date
25-Aug-2023

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SLOVENSKI STANDARD
oSIST prEN 12697-43:2021
01-september-2021
Bitumenske zmesi - Preskusne metode - 43. del: Odpornost proti gorivu
Bituminous mixtures - Test methods - Part 43: Resistance to fuel
Asphalt - Prüfverfahren - Teil 43: Widerstand gegen Treibstoffe
Mélanges bitumineux - Méthodes d'essai - Partie 43 : Résistance aux carburants
Ta slovenski standard je istoveten z: prEN 12697-43
ICS:
93.080.20 Materiali za gradnjo cest Road construction materials
oSIST prEN 12697-43:2021 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 12697-43:2021
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oSIST prEN 12697-43:2021
DRAFT
EUROPEAN STANDARD
prEN 12697-43
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2021
ICS 93.080.20 Will supersede EN 12697-43:2014
English Version
Bituminous mixtures - Test methods - Part 43: Resistance
to fuel

Mélanges bitumineux - Méthodes d'essai - Partie 43 : Asphalt - Prüfverfahren - Teil 43: Widerstand gegen

Résistance aux carburants Treibstoffe

This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee

CEN/TC 227.

If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are

aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without

notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 12697-43:2021 E

worldwide for CEN national Members.
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prEN 12697-43:2021 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

1 Scope .................................................................................................................................................................... 4

2 Normative references .................................................................................................................................... 4

3 Terms and definitions ................................................................................................................................... 4

4 Principle ............................................................................................................................................................. 4

5 Apparatus ........................................................................................................................................................... 5

6 Fuels ..................................................................................................................................................................... 8

7 Preparation of test specimens .................................................................................................................... 8

8 Procedure........................................................................................................................................................... 9

8.1 Soaking in fuel and removing the fuel ..................................................................................................... 9

8.1.1 Preparation for testing and immersion .................................................................................................. 9

8.1.2 Cleaning the specimen ................................................................................................................................... 9

8.1.3 Loss of mass due to immersion .................................................................................................................. 9

8.2 The brush test ................................................................................................................................................ 10

8.2.1 General ............................................................................................................................................................. 10

8.2.2 Brush test for a porous asphalt specimen using a laboratory mixer ........................................ 10

8.2.3 Brush test for a non-porous asphalt specimen using a laboratory mixer ............................... 10

8.2.4 Brush test for porous asphalt specimen using an adapted milling machine .......................... 10

8.2.5 Brush test for a non-porous asphalt specimen using an adapted milling machine ............. 11

8.3 Calculation and expression of results ................................................................................................... 11

9 Test report ...................................................................................................................................................... 12

10 Precision .......................................................................................................................................................... 12

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oSIST prEN 12697-43:2021
prEN 12697-43:2021 (E)
European foreword

This document (prEN 12697-43:2021) has been prepared by Technical Committee CEN/TC 227 “Road

materials”, the secretariat of which is held by BSI.
This document will supersede EN 12697-43:2014.
The main changes compared to the previous edition are listed below:
— the title no longer refers to hot mix asphalt;
— [ge] editorial update according to current standard template;

— [Clause 2] introductory sentence amended according to CEN(CENELEC Internal Regulations Part

3:2019;
— [Clause 2] reference to EN 13108-20:2006 deleted;

— [Clause 3] introductory sentence amended according to CEN(CENELEC Internal Regulations Part

3:2019;
— [5.6.2] keys referring to Figure 3 has been corrected to letters;
— [7.3] reference to EN 13108-20:2006. Annex A deleted;

— [8.1.1] more general description for the covering of beaker to prevent loss of fuel;

— [Clause 9] test report adjusted with reference to this standard according to CEN/CENELEC Internal

regulations, Part 3:2019.
A list of all parts in the EN 12697 series can be found on the CEN website.
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prEN 12697-43:2021 (E)
1 Scope

This document specifies a test method to determine the resistance of a bituminous mixture or

pavement to fuels. The procedure involves initial soaking of a test specimen made in the laboratory or

cored from a pavement in a fuel, followed by a brushing period with a brush test device. The material

loss of the specimen is a measure of the resistance to that fuel for that bituminous mixture.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

EN 12697-6, Bituminous mixtures — Test methods — Part 6: Determination of bulk density of bituminous

specimens
EN 12697-27, Bituminous mixtures — Test methods — Part 27: Sampling

EN 12697-30, Bituminous mixtures — Test methods — Part 30: Specimen preparation by impact

compactor

EN 12697-31, Bituminous mixtures — Test methods — Part 31: Specimen preparation by gyratory

compactor

EN 12697-33, Bituminous mixtures — Test methods — Part 33: Specimen prepared by roller compactor

EN 12697-35, Bituminous mixtures — Test methods — Part 35: Laboratory mixing
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— IEC Electropedia: available at http://www.electropedia.org/
— ISO Online browsing platform: available at http://www.iso.org/obp
3.1
fuels

liquid (petroleum product) that might be spilled accidentally or sprayed deliberately onto an asphalt

pavement and can cause damage to the asphalt mixture
4 Principle

A cylindrical test specimen with a known mass is immersed partly in a bath with the specified fuel for a

specified period of time. After removal from the bath, cleaning with water and drying for 24 h at 25 °C,

the loss of mass of the specimen is measured and the immersed surface is visually inspected. Then an

abrasive loading is applied onto the immersed surface of the test specimen by a steel brush mounted

onto a brush test device. The steel brush moves in epicycloids passages over the surface. After 30 s the

brushing stops and the specimen is removed. The loss of mass is measured and the brushed surface is

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prEN 12697-43:2021 (E)

visually inspected. The specimen is then put back and the same procedure is carried out again after 30 s

and after 60 s, when the brushed surface is visually inspected again.

The total brushing time is 120 s (two brushing periods of 30 s and one of 60 s). The combined material

loss after the immersion and the brush test is the main parameter for the resistance to the particular

fuel. As additional information the material loss after the immersion (chemical loading) and the brush

test (mechanical loading) are further informative parameters for the resistance to the particular fuel.

5 Apparatus
5.1 Beaker with glass rod

Cylindrical beaker made of glass for soaking the test specimen in the fuel. The container shall be flat-

bottomed and have an internal diameter of at least 140 mm (with porous asphalt specimens at least

190 mm) and an internal depth of at least 150 mm. A glass rod with a length of 70 mm and a diameter of

8 mm is put on one side of the bottom of the beaker so that one side of the immersed specimen can rest

on the bottom of the beaker and the other side on the glass rod to prevent the enclosure of air under the

immersed specimen.
5.2 Glass funnel

The size of the funnel shall be chosen in such a way that the rate of flow of the fluid into the beaker is as

small as possible to prevent any damage to the specimen because of the injection of the fluid in the

beaker.

5.3 Balance, with sufficient capacity and an accuracy of at least ± 0,1 g suitable for weighing.

5.4 Ventilated conditioning chamber, capable of maintaining temperature of (25 ± 2) °C in the

vicinity of the specimen.
5.5 Impact hammer, gyrator or roller compactor

Impact hammer (according to EN 12697-30), gyrator (according to EN 12697-31) or roller compactor

(according to EN 12697-33) to prepare laboratory made specimens.
5.6 Brush test device
Two different devices for the brush test are available.
5.6.1 Test device based on a laboratory mixer

Any mixer according to EN 12697-35 can be used. This mixer with epicyclical motion covers an area

with a diameter 5 mm less than the diameter of the specimen. The rotation speed shall be (60 ± 3) rpm.

The steel brush is connected to the mixer (see Figure 1).

To press the specimen with a constant force to the brush a special frame shall be built. In Figure 2 an

example of this frame is shown. A pneumatic actuator is using compressed air to press the specimen

against the brush. The frame itself is placed under the rotating disk of the mixer.

The pressure shall be kept constant. This can be achieved by means of a manometer between the

actuator and compressed air control valve.
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Figure 1 — Connection pin
Dimensions in millimetres
Key
1 ring (diameter 150 mm) 6 pin
2 nut 7 drilled nut
3 metal ring, 20 mm height, diameter 150 mm 8 pneumatic actuator
4 welding 9 thread
5 L-shaped corner profile 10 bar (diameter 16 mm)
Figure 2 — Example of the frame for the brush test
5.6.2 Test device based on a milling machine
A standard milling machine, as shown in Figure 3, can be ada
...

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