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Article

Multi-Step Relaxation Characterization and Viscoelastic Modeling to Predict the Long-Term Behavior of Bitumen-Free Road Pavements Based on Polymeric Resin and Thixotropic Filler

by
Carina Emminger
*,
Umut D. Cakmak
and
Zoltan Major
Institute of Polymer Product Engineering, Johannes Kepler University Linz, Altenbergerstraße 69, 4040 Linz, Austria
*
Author to whom correspondence should be addressed.
Materials 2024, 17(14), 3511; https://doi.org/10.3390/ma17143511
Submission received: 3 June 2024 / Revised: 10 July 2024 / Accepted: 12 July 2024 / Published: 15 July 2024

Abstract

Asphalt pavements are fundamental to modern transportation infrastructure, requiring elasticity, firmness, and longevity. However, traditional asphalt, based on bitumen, faces several limitations. To improve pavement performance, polymer resins are being used to substitute bitumen and improve requirements. Therefore, a deep understanding of the material behavior is required. This study presents the analysis of the relaxation behavior of a poly(methyl methacrylate)-based pavement and the influence of mineral fillers. An approach using a linear elastic–viscoelastic material model was selected based on evidence and validated across the linear and nonlinear deformation range. The results reveal no influence of the mineral fillers on the relaxation behavior. The presented modification of the linear elastic and viscoelastic modeling reveals accurate results to predict long-term pavement performance. This approach offers a practical method for forecasting asphalt behavior. Further research is needed to incorporate deformation behavior into the model.
Keywords: bitumen-free asphalt pavement; linear elastic modeling; viscoelastic modeling; relaxation characterization; polymeric resin pavement; mineral filler; long-term asphalt behavior bitumen-free asphalt pavement; linear elastic modeling; viscoelastic modeling; relaxation characterization; polymeric resin pavement; mineral filler; long-term asphalt behavior

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MDPI and ACS Style

Emminger, C.; Cakmak, U.D.; Major, Z. Multi-Step Relaxation Characterization and Viscoelastic Modeling to Predict the Long-Term Behavior of Bitumen-Free Road Pavements Based on Polymeric Resin and Thixotropic Filler. Materials 2024, 17, 3511. https://doi.org/10.3390/ma17143511

AMA Style

Emminger C, Cakmak UD, Major Z. Multi-Step Relaxation Characterization and Viscoelastic Modeling to Predict the Long-Term Behavior of Bitumen-Free Road Pavements Based on Polymeric Resin and Thixotropic Filler. Materials. 2024; 17(14):3511. https://doi.org/10.3390/ma17143511

Chicago/Turabian Style

Emminger, Carina, Umut D. Cakmak, and Zoltan Major. 2024. "Multi-Step Relaxation Characterization and Viscoelastic Modeling to Predict the Long-Term Behavior of Bitumen-Free Road Pavements Based on Polymeric Resin and Thixotropic Filler" Materials 17, no. 14: 3511. https://doi.org/10.3390/ma17143511

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