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The Bitumen Test Validation (BiTVal) project was set up by FEHRL in response to a request from TC 336, Bitumen and bituminous binders, of the Comité Européen de Normalisation together with other stakeholders in the industry to assess the relevance of the results of bitumen tests on the required properties of asphalt mixtures.  It is envisaged that there will be the following three phases to the project:

Phase 1 - A review of existing data on bitumen tests used by TC336 WG1
Phase 2 - A study of the gaps in the knowledge identified in Phase 1
Phase 3 – A study of any bitumen test methods missing from the original list

Phase 1 has now been completed.  The key outputs of Phase 1 of the BiTVal project were a database, covering publications of the identified bitumen properties and their relationship to asphalt properties and/or road performance, and a FEHRL report to TC336 WG1 summarising the performance-related aspects for each test method, together with recommendations for their use in the next generation of standards.

The report assesses bitumen tests in terms of the following critical performance characteristics, in asphalt mixture tests and/or pavement performance assessments:

Permanent Deformation
Stiffness
Low Temperature Cracking
Fatigue Cracking
Adhesion

 

Download a copy of the report in pdf format (5MB).

 




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