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BS EN 12697-48:2021

BS EN 12697-48:2021

$189.07

Bituminous mixtures. Test methods – Interlayer Bonding

Published By Publication Date Number of Pages
BSI 2021 48
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This document specifies test methods for determining the bond strength between an asphalt layer and other newly constructed construction layers or existing substrates in road or airfield pavements. The tests can also be applied on laboratory prepared interlayers. The normative tests described in this document are: — Torque Bond Test (TBT), generally applicable to any layer thicknesses; — Shear Bond Test (SBT), generally applicable to layer thicknesses > 15 mm; — Tensile Adhesion Test (TAT), generally applicable to layer thicknesses ≤ 15 mm. NOTE Further non normative test methods are described in informative annexes: — Annex A (informative) – Compressed Shear Bond Test (CSBT); — Annex B (informative) – Alternative Shear Bond Test (ASBT); — Annex C (informative) – Layer Adhesion Measuring Instrument (LAMI).

PDF Catalog

PDF Pages PDF Title
2 undefined
6 1 Scope
2 Normative references
3 Terms and definitions
7 4 Principle
4.1 General
4.2 Torque Bond Test (TBT)
8 4.3 Shear Bond Test (SBT)
4.4 Tensile Adhesion Test (TAT)
5 Specimens
9 6 Torque Bond Test (TBT)
6.1 Apparatus
6.2 Materials
6.3 Site test method
10 6.4 Laboratory test method
11 6.5 Calculation of Torque Bond Strength and expression of results
6.6 Visual assessment of the mode of failure
12 6.7 Test report
6.8 Precision
13 7 Shear Bond Test (SBT)
7.1 Apparatus
14 7.2 Specimens
15 7.3 Test procedure
16 7.4 Calculation and Expression of Results
18 7.5 Test report
7.6 Precision
19 8 Tensile Adhesion Test (TAT)
8.1 Apparatus
20 8.2 Materials
8.3 Specimen
21 8.4 Test procedure
22 8.5 Calculation and expression of results
8.6 Test report
23 8.7 Precision
24 Annex A (informative)Compressed Shear Bond Test (CSBT)
A.1 Principle
A.2 Apparatus
26 A.3 Sample Preparation
A.4 Test Procedure
27 A.5 Calculation and expression of results
28 A.6 Test report
29 A.7 Precision
A.7.1 Repeatability
A.7.2 Reproducibility
33 Annex B (informative)Alternative Shear Bond Test (ASBT)
B.1 Principle
B.2 Objective and scope
B.3 Alternative shear test apparatus
35 B.4 Calculation and expression of results
36 Annex C (informative)Layer Adhesion Measuring Instrument (LAMI)
C.1 Principle
C.2 Apparatus
41 C.3 Test Procedure
42 C.4 Visual assessment of the mode of failure
C.5 Calculation and expression of results
43 C.6 Calibration of the LAMI
45 C.7 Test report
46 C.8 Precision

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BS EN 12697-48:2021
$189.07