Performance evaluation of bitumens at high temperature with multiple stress creep recovery test

Adorjányi, Kálmán and Füleki, Péter (2011) Performance evaluation of bitumens at high temperature with multiple stress creep recovery test. HUNGARIAN JOURNAL OF INDUSTRY AND CHEMISTRY, 39 (2). pp. 195-199. ISSN 0133-0276

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Abstract

The paper evaluates performance properties of paving grade, hard and modified binders with multiple stress creep and recovery tests (MSCR) at +60 °C. The dynamic shear rheometer measurements were made on Rolling Thin Film Oven Test aged samples at three stress levels. The delayed viscoelastic response was evaluated with recoverable strain and the resistance to permanent deformation with non-recovered compliance. Close relationship presented between average recoverable strain and non-recoverable compliance at different stress levels. The performance parameters have been compared with specified requirements.

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