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ROAD PAVEMENT FORUM GUIDELINES ON MODIFIED BINDERS FOR USE IN HOT- MIX ASPHALT AND SURFACING SEAL APPLICATIONS.

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Presentation on theme: "ROAD PAVEMENT FORUM GUIDELINES ON MODIFIED BINDERS FOR USE IN HOT- MIX ASPHALT AND SURFACING SEAL APPLICATIONS."— Presentation transcript:

1 ROAD PAVEMENT FORUM GUIDELINES ON MODIFIED BINDERS FOR USE IN HOT- MIX ASPHALT AND SURFACING SEAL APPLICATIONS

2 1.Scope 2.Appropriate use of modified binders 3.Modified binder composition 3.1Homogeneous binders (polymer modified) 3.2Polymer modified emulsions 3.3Non-Homogeneous binders (bitumen rubber) 4.Product Properties 4.1Cohesion 4.2Adhesion 4.3Rheology (flow behaviour) 4.4Elasticity 4.5Stiffness 4.6Ageing 4.7Storage Stability/Compatibility 5.Modified Binder Classification 6.Selection and Application criteria 6.1High stress surface seals 6.2Stress Absorbing membranes 6.3Hot-Mix Asphalt Table of Contents

3 7.Product requirements 7.1Hot applied polymer modified binder for surface seals 7.2Cold applied modified emulsion for surface seals 7.3Polymer modified binders for hot-mix asphalt 7.4Bitumen-rubber for seal and asphalt 8.Storage and handling 8.1Hot polymer modified binders 8.2Polymer modified bitumen emulsions 8.3Bitumen rubber 9.Quality assurance 9.1Information required at start of a contract 9.2Quality control during construction 9.3 Re-constitution 10.Sampling and testing 11.Occupational Health and Safety 12.Glossary 13.References Table of Contents (contd)

4 METHOD MB 1 – Sampling of modified binders METHOD MB 2 – Preparation of modified binder METHOD MB 3 – Modified rolling thin film oven test METHOD MB 5 – Torsional recovery of polymer modified binders METHOD MB 6 – Stability of modified binders METHOD MB 8 – Recovery of residue of modified emulsion METHOD MB 9 – Pull out test method for surfacing aggregate METHOD MB 10 – Ball penetration and resilience of bitumen rubber blends METHOD MB 11- Compression recovery of bitumen rubber blends METHOD MB 13 – Dynamic viscosity of bitumen-rubber blends METHOD MB 14 – Particle size distribution and loose fibre content of rubber crumbs METHOD MB 15 – Resilience of rubber crumbs METHOD MB 16 – Bulk density of rubber crumbs Appendix A

5 METHOD MB 17 – The determination of the softening point of modified bitumen by the ring and ball method METHOD MB 18 – The determination of the dynamic (apparent) viscosity of polymer modified bitumen METHOD MB 19 – The determination of the low temperature ductility of polymer modified bitumen METHOD MB 20 – Elastic recovery by means of ductilometer METHOD MB 21 – Modified vialit adhesion test METHOD MB 22 – The determination of the viscosity of modified bitumen emulsions by means of the say bolt Fural viscometer METHOD MB 23 – The determination of the water content of modified bitumen emulsions METHOD MB 24 – The determination of the residue on sieving of a modified bitumen emulsion METHOD MB 25 – The determination of the particle change of modified binder emulsion Appendix A (contd)

6 Road Pavement Forum Guideline for Modified Binders

7 Road Pavement Forum Guideline for Modified Binders

8 Road Pavement Forum Guideline for Modified Binders

9 Road Pavement Forum Guideline for Modified Binders

10 Road Pavement Forum Guideline for Modified Binders

11 Road Pavement Forum Guideline for Modified Binders

12 Road Pavement Forum Guideline for Modified Binders

13 Conclusion Road Pavement Forum Guideline for Modified Binders  Document is not a specification  Guideline as a basis for transparent procurement of appropriate modified binder products  Certification of products should be encouraged  Modification of binders is a dynamic process : guidelines are thus interim and will require regular review  Inclusion of crack sealant products?


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