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Abstract
The purpose of the study is to evaluate strain-dependent behaviour of Cold Recycled Material (CRM) mixtures using three frameworks typically applied for Hot Mix Asphalt (HMA): linear viscoelastic (LVE) limits; non-linearity directions; changes in rheological model parameters. To this aim, the complex modulus of three CRM mixtures with different bitumen-to-cement ratio (0.2, 0.6 and 1.8) was measured in cyclic compression mode, at increasing level of axial deformation (from 35 to 195 μstrain) and at three temperatures (4, 20 and 40 °C). CRM mixtures showed strong strain dependent behaviour, which does not fully comply with the LVE hypothesis. LVE limit framework is applicable, but strain limits for CRM are different from HMA. Linearity direction framework does not give unique trend, hence it is not applicable in the same way as it was developed for HMA. The most promising framework for further analysis is the change in rheological model parameters, but it requires high number of performed tests.
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Authors (2)
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Andrea Graziani
- Department of Civil and Building Engineering and Architecture, Università Politecnica delle Marche, Ancona, Italy
Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1617/s11527-024-02366-2
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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MATERIALS AND STRUCTURES
no. 57,
ISSN: 1359-5997 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Jaczewski M., Graziani A.: Strain-dependent behaviour of cold recycled material mixtures in cyclic compression tests// MATERIALS AND STRUCTURES -Vol. 57,iss. 4 (2024), s.92-
- DOI:
- Digital Object Identifier (open in new tab) 10.1617/s11527-024-02366-2
- Sources of funding:
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- IDUB
- Verified by:
- Gdańsk University of Technology
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