BSI PD CEN/TS 12697-50:2018 – TC:2020 Edition
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Tracked Changes. Bituminous mixtures. Test methods – Resistance to scuffing
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 77 |
This European Technical Specification specifies a test method for determining the resistance to scuffing of asphalt mixtures which are used in surface layers and are loaded with high shear stresses in road or airfield pavement. These shear stresses occur in the contact area between tyre and pavement surface and can be caused by cornering of the vehicle. Due to these shear stresses, material loss will occur at the surface of these layers. The test is normally performed on asphalt layers with a high amount of air voids (e.g. porous asphalt), but can also be applied on other asphaltic mixtures. Test specimens are used either produced in a laboratory or cut from the pavement. NOTE The test is developed to determine the resistance to scuffing for noise reducing surface layers where raveling is the normative damage criterion. The test can also be performed on other surface mixtures with a high resistance to permanent deformation. In case a mixture has a low resistance to permanent deformation, rutting can occur during the test. This can influence the test results.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 41 | undefined |
| 48 | 1 Scope 2 Normative references 3 Terms, definitions, symbols and abbreviations 3.1 Terms and definitions |
| 49 | 3.2 Symbols and abbreviations 4 Principle |
| 50 | 5 Preparation of test specimens 5.1 General 5.2 Compaction of the slabs 5.3 Dimensions of the specimens 5.4 Age of the specimens 5.5 Dimensions and bulk density of the specimens |
| 51 | 6 Loading devices 7 Test results |
| 53 | 8 Test report 8.1 General 8.2 Precision 8.2.1 Repeatability 8.2.2 Reproducibility |
| 54 | Annex A (informative)The Aachener Raveling Tester (ARTe) A.1 Equipment A.1.1 General A.1.2 Lateral moving table A.1.3 Set of rotating wheels |
| 55 | A.1.4 Slab fixation box A.1.5 Temperature controlled room A.1.6 Temperature measuring devices |
| 56 | A.1.7 Electric fan (optional) A.2 Test procedure |
| 60 | Annex B (informative)The Darmstadt Scuffing Device (DSD) B.1 Equipment B.1.1 General B.1.2 Lateral moving table B.1.3 Test tyre B.1.4 Asphalt specimen fixture |
| 61 | B.1.5 Heating/temperature B.1.6 Vacuum wipe-off apparatus B.1.7 Temperature measurements B.1.8 Oven B.2 Test procedure |
| 64 | Annex C (informative)The Rotating Surface Abrasion Test (RSAT) C.1 General C.2 Equipment C.2.1 Motion mechanism |
| 65 | C.2.2 Test tyre C.2.3 Wheel load and contact pressure |
| 66 | C.2.4 Wheel arm guide C.2.5 Attachment of the wheel to the wheel arm C.2.6 Rotation hinge (wheel arm guide) C.2.7 Slab holder test specimen RSAT |
| 67 | C.2.8 Bearing and rotary axle, consisting of a ring bearer C.2.9 Braking mechanism C.2.10 Asphalt specimen fixture |
| 68 | C.2.11 Vacuum wipe-off apparatus C.3 Test temperature C.3.1 Heating/temperature C.3.2 Temperature measurements C.3.3 Specimen preparation |
| 69 | C.3.4 Performance of the test |
| 71 | Annex D (informative)The Triboroute Device (TRD) D.1 Equipment D.1.1 General D.1.2 Load applicator |
| 72 | D.1.3 Lateral moving table D.1.4 Asphalt specimen fixture D.1.5 Heating/temperature |
| 73 | D.1.6 Vacuum wipe-off apparatus D.2 Test procedure D.2.1 Specimen preparation D.2.2 Control of the specimen surface characteristics |
| 74 | D.2.3 Test performance D.2.3.1 General D.2.3.2 Test performed with controlled force (TRD-CF) |
| 75 | D.2.3.3 Test performed with controlled displacement rate (TRD-CD) |
