SIST EN 12697-35:2025
(Main)Bituminous mixtures - Test methods - Part 35: Laboratory mixing
Bituminous mixtures - Test methods - Part 35: Laboratory mixing
This document describes the laboratory mixing of bituminous materials for the manufacture of specimens. This document 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.
Asphalt - Prüfverfahren - Teil 35: Labormischen
Dieses Dokument beschreibt das Mischen von Asphalt im Labor zur Herstellung von Probekörpern. Dieses Dokument 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 - Méthodes d'essais - Partie 35: Malaxage de laboratoire
Le présent document décrit le malaxage de matériaux bitumineux en laboratoire dans le cadre de la fabrication d’éprouvettes. Il définit les températures de compactage de référence pour le mélange en fonction du grade du liant pour les bitumes routiers usuels et les bitumes routiers de grade dur.
L’Annexe A décrit la méthode de fabrication d’échantillons de mélanges bitumineux à l’aide de mousse de bitume.
L’Annexe B décrit la méthode de fabrication d’échantillons de mélanges bitumineux à base d’émulsion de bitume.
Une fois malaxés, les échantillons d’asphalte coulé sont préparés conformément à l’Annexe C.
Bitumenske zmesi - Preskusne metode - 35. del: Laboratorijska zmes
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-maj-2025
Bitumenske zmesi - Preskusne metode - 35. del: Laboratorijska zmes
Bituminous mixtures - Test methods - Part 35: Laboratory mixing
Asphalt - Prüfverfahren - Teil 35: Labormischen
Mélanges bitumineux - Méthodes d'essais - Partie 35: Malaxage de laboratoire
Ta slovenski standard je istoveten z: EN 12697-35:2025
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 12697-35
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2025
EUROPÄISCHE NORM
ICS 93.080.20 Supersedes EN 12697-35:2016
English Version
Bituminous mixtures - Test methods - Part 35: Laboratory
mixing
Mélanges bitumineux - Méthodes d'essai - Partie 35 : Asphalt - Prüfverfahren - Teil 35: Labormischen
Mélange de laboratoire
This European Standard was approved by CEN on 6 January 2025.
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, 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, Türkiye 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
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12697-35:2025 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
1 Scope . 7
2 Normative references . 7
3 Terms, definitions and symbols . 7
3.1 Terms and definitions . 7
3.2 Symbols . 8
4 Principle . 8
5 Apparatus . 8
6 Procedure . 9
6.1 Reference compaction temperature for mixtures and reference installation
temperature for mastic asphalt . 9
6.2 Preparation of aggregate and filler . 10
6.3 Preparation of reclaimed asphalt . 10
6.4 Preparation of binder . 11
6.5 Mixing . 12
7 Test report . 13
Annex A (normative) Laboratory mixing using foamed bitumen. 14
A.1 General. 14
A.2 Apparatus . 14
A.3 Procedure using a laboratory foam generator . 14
A.3.1 Preparation of aggregate and filler . 14
A.3.2 Preparation of reclaimed asphalt . 14
A.3.3 Preparation of binder . 14
A.3.4 Mixing . 14
A.3.5 Conditioning . 15
A.4 Procedure using foam bitumen without a laboratory foam generator . 15
A.4.1 Preparation of aggregate and filler . 15
A.4.2 Preparation of reclaimed asphalt . 15
A.4.3 Preparation of binder . 15
A.4.4 Mixing . 15
A.4.5 Conditioning . 16
A.5 Procedure using a wet fraction of aggregate or reclaimed asphalt . 16
A.5.1 Preparation of aggregate and filler . 16
A.5.2 Preparation of reclaimed asphalt . 16
A.5.3 Preparation of the wet fraction . 16
A.5.4 Preparation of binder . 16
A.5.5 Mixing . 16
A.5.6 Conditioning . 16
Annex B (normative) Laboratory mixing using bitumen emulsion . 17
B.1 General . 17
B.2 Procedure 1 with wet particles . 17
B.2.1 Preparation of aggregate and filler . 17
B.2.2 Preparation of reclaimed asphalt . 17
B.2.3 Preparation of binder (emulsion) . 17
B.2.4 Mixing . 18
B.3 Procedure 2 with dry particles . 18
B.3.1 Preparation of aggregate and filler . 18
B.3.2 Preparation of reclaimed asphalt . 18
B.3.3 Preparation of binder (emulsion) . 18
B.3.4 Mixing . 19
Annex C (normative) Preparation of mastic asphalt specimens . 20
Bibliography . 21
European foreword
This document (EN 12697-35:2025) has been prepared by Technical Committee CEN/TC 227 “Road
materials”, the secretariat of which is held by BSI.
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 2025, and conflicting national standards shall
be withdrawn at the latest by September 2025.
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 12697-35:2016.
35:2016:
— (Clause 1) Scope modified to be in line with subclause 6.1 and the amended titles for the Annexes;
— (Clause 2) deletion of normative references that are considered informative. Listed in the
Bibliography;
— (Clause 2) deletion of normative reference to EN 12697-38 as it is obsolete and will be deleted from
the EN 12697 series;
— (Clause 2) correction of title of EN 12697-42 by deletion of “for hot mix asphalt”;
— (Clause 4) NOTE completed with “of a mixture or for the reference installation temperature of mastic
asphalt” due to the amended subclause 6.1 and Table 1.
— (3.2) explanation of symbol p: completed with “expressed in %”;
— (5.1) NOTE reworded to normal text;
— (5.2) deletion of reference to EN 12697-38. Paragraph completed for clarity with « for mixtures or
the reference installation temperature for mastic asphalt due to the amended subclause 6.1 and
Table 1. Replacement of “accuracy” with “maximum permissible error of 5°C;
— (5.3) “measuring” altered to “weighing”. Deletion of reference to EN 12697-38. Replacement of
“accuracy” with “maximum permissible error at least 0,1 g for masses up to 5 kg, and 1 g for masses
over 5 kg;
— (5.4) introduction of new Clause with requirements for balance for the weighing of additives (smaller
amounts). Following Clauses re-numbered accordingly;
— (5.5) deletion of reference to EN 12697-38. Replacement of “accuracy” with “maximum permissible
error of 2°C. (Previously 5.4);
— (5.6) deletion of reference to EN 12697-38. Replacement of “accuracy” with “maximum permissible
error of 2°C. (Previously 5.5);
— (6.1) clause title “Mixing temperature” amended to read to read “Reference compaction temperature
for mixtures and reference installation temperature for mastic asphalt”;
— (6.1) paragraph amended for clarity. References to EN 12591, EN 13924-1, EN 14023, EN 13924-2
placed in new NOTE 1 and new NOTE 2. References to EN 13108-1 to −7 and −9 deleted and replaced
by new NOTE 3 for the guidance of calculations of the penetration or the softening point of the binder.
Existing NOTE re-numbered to NOTE 4;
— (6.1) Table 1: Title completed with “reference installation temperature for mastic asphalt mixtures”.
Table 1 completed with column for the reference installation temperature for mastic asphalt
mixtures;
— (6.1) completion with paragraphs for the reference to the respective normative Annexes A and B;
— (6.2.2) replacement of “accuracy” with “to the nearest”;
— (6.2.3) replacement of “accuracy of 1%” with “to the nearest 0,1 g”;
— (6.2.4) completion of paragraph to take into account additives such as pigments and fibres;
— (6.3.1) replacement of “accuracy” with “to the nearest”;
— (6.3.2) paragraph modified for clarity;
— (6.3.3, 6.3.4) text in clauses merged and reworded for clarity. Following clauses re-numbered;
— (6.3.3) NOTE with examples of precautions to avoid build-up pressure reworded to normal text;
— (6.3.4) (previously 6.3.5). Paragraph clarified regarding the introduction of reclaimed asphalt when
the reclaimed asphalt is note heated to the full target laboratory mixing temperature at the mixing
plant or when the procedure is not determined with the completion that the reclaimed asphalt
temperature shall be indicated in the test report;
— (6.3.4) (previously 6.3.5). NOTE deleted.
— (6.3.6) (previously 6.3.7). NOTE in 6.3.8 (previous version) reworded to normal text and introduced
in 6.3.6;
— (6.4) paragraph introduced for the preheating of binders for mastic asphalt. 1st paragraph of NOTE 2
has been altered to normal text;
— (6.5.2) intro
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.