EN12697-1-2020
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Preparatory treatment of laboratory samples of bituminous mixtures
5 Determination of binder content
5.1 General principles of test
5.2 Binder extraction
5.2.1 Solvent
5.2.2 Apparatus
5.2.3 Procedure
5.3 Separation of mineral matter
5.3.1 Apparatus
5.3.2 Procedure
5.4 Binder quantity
5.4.1 Apparatus
5.4.2 Procedure
5.5 Calculation and expression of results
5.5.1 General
5.5.2 Binder determined by difference
5.5.3 Binder by total recovery
5.5.4 Binder by recovery from portion (volume calculation)
5.5.5 Binder by recovery from portion (mass calculation)
6 Drying to constant mass
6.1 General
6.2 Apparatus
6.3 Procedure
7 Reporting of results
7.1 Results
7.2 Test report
8 Precision data
8.1 Precision – Experiment 1
8.2 Precision – Experiment 2
8.3 Precision – Experiment 3
Annex A (informative) Guidance on the determination of binder content
A.1 Evaluation of the results
A.2 Effect of water content
A.3 Choice of test equipment and the sequence of operations
A.4 Determination of total binder content
Annex B (normative) Use of equipment for the determination of binder content
B.1 Binder extraction
B.1.1 Hot extractor (paper filter) method
B.1.2 Hot extractor (wire mesh filter) method
B.1.3 Soxhlet extractor method
B.1.4 Bottle rotation machine method
B.1.5 Centrifuge extractor method
B.1.6 Cold mix dissolution of bitumen by agitation
B.2 Separation of mineral matter
B.2.1 Continuous flow centrifuge
B.2.2 Pressure filter
B.2.3 Bucket type centrifuge – Type 1
B.2.4 Bucket type centrifuge – Type 2
B.3 Soluble binder content
B.3.1 Method by recovery from a portion using a volume calculation
B.3.2 Method by recovery from a portion using a mass calculation
Annex C (normative) Determination of residual mineral matter in the binder extract by incineration
C.1 General
C.2 Method 1
C.2.1 Apparatus
C.2.2 Reagent
C.2.3 Procedure
C.3 Method 2
C.3.1 Apparatus
C.3.2 Procedure
Annex D (informative) Guidance on determination of soluble binder content of mixtures with polymer-modified binders
D.1 General
D.2 Preparatory treatment of laboratory samples of bituminous mixtures
D.3 Determination of binder content
D.3.1 General principles of test
D.3.2 Binder extraction
D.3.3 Separation of mineral matter
D.3.4 Binder quantity
D.3.5 Calculation and expression of results
D.4 Drying to constant mass
D.5 Reporting of results
D.6 Precision data
Bibliography