On low temperature binder testing using DSR 4 mm geometry

On low temperature binder testing using DSR 4 mm geometry

The 4 mm parallel plate geometry in the DSR with a new sample installation method is proposed to evaluate low temperature rheological properties of asphalt binders. For this purpose, the influences of temperature conditioning and normal force were studied, and finally suitable test conditions were i...

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Veröffentlicht in:Materials and structures 2019-11, Vol.52 (6), p.1-11, Article 113
Hauptverfasser: Büchner, Johannes, Wistuba, Michael P., Remmler, Torsten, Wang, Di
Format: Artikel
Sprache:eng
Schlagworte:
Asphalt
Building construction
Building Materials
Civil Engineering
Engineering
Low temperature
Machines
Manufacturing
Materials Science
Original Article
Parallel plates
Processes
Rheological properties
Rheology
Shear stress
Solid Mechanics
Theoretical and Applied Mechanics
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Beschreibung
Zusammenfassung:The 4 mm parallel plate geometry in the DSR with a new sample installation method is proposed to evaluate low temperature rheological properties of asphalt binders. For this purpose, the influences of temperature conditioning and normal force were studied, and finally suitable test conditions were identified to run T-f-Sweep tests in oscillation mode. Appropriate shear stresses were identified by amplitude sweep tests considering the instrument limitations. Consequently, testing conditions and instrument limitations are determined, which need to be respected to obtain precise and repeatable rheological data.
ISSN:1359-5997
1871-6873
DOI:10.1617/s11527-019-1412-3