British Standards Institution

Source:: CEN
Committee:: B/510 - Road materials
Categories:: Information management | Standardization. General rules | Manufacturing | Petroleum and related technologies | Waxes, bituminous materials and other petroleum products

Scope

This document specifies a test method for determining the resistance to scuffing of bituminous 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 to other bituminous mixtures. Test specimens are either produced in a laboratory or cut from the pavement.

NOTE The test has been developed to determine the resistance to scuffing for noise reducing surface layers where ravelling 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 will probably precede scuffing both on site and in the test. The presence of ruts is likely to influence the test results significantly.

Purpose

The purpose for revision is

- to implement results from CEDR research (CEDR Working group DRaT.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal

Proposal start date:

20/12/2023

Proposal end date:

01/02/2024

2. Draft

3. Public Comments

4. Comment Resolution

5. Approval

6. Publication

Learn more about the standards development process

Standards Development

Decision 27/2023 to adopt NWI for revision of CEN/TS 12697-50:2018 Bituminous mixtures - Test methods - Part 50: Resistance to scuffing

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