ArticleMaterials (Basel, Switzerland)2022
Effects of Freeze-Thaw Cycles on the Internal Voids Structure of Asphalt Mixtures.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed.
- Influence of cooling rates on the fracture properties of asphalt concrete subjected to freeze-thaw cycles.Scientific reports · 2026Article
- Article
- Meso-Structural Modeling of Asphalt Mixtures Using Computed Tomography and Discrete Element Method with Indirect Tensile Testing.Materials (Basel, Switzerland) · 2025Article
- Investigations on Adhesion Characteristics between High-Content Rubberized Asphalt and Aggregates.Polymers · 2022Article
- Application of Heuristic Algorithms in the Tomography Problem for Pre-Mining Anomaly Detection in Coal Seams.Sensors (Basel, Switzerland) · 2022Article
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3 authors.
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Abstract
Freeze-thaw cycle is one of the main distresses of asphalt pavement, and the law of freeze-thaw damage has always been an important topic. In this paper, X-ray computed tomography (CT) of asphalt mixture before and after freezing and thawing was carried out, and its two-dimensional (2D) digital image was recognized. Firstly, the eigenvalues of internal voids of asphalt mixture are extracted. Then the distribution of internal voids was analyzed. Finally, the evolution law of internal voids was summarized. The research results show that the characteristic mean value of the 9th cycle is the irreversible limit of freeze-thaw damage, and the non-resilience after the large void area increases is the fundamental reason for the accumulation of freeze-thaw damage. The source of void damage shifts from large voids to small voids, and the middle-stage is a critical stage of freeze-thaw damage. This work quantitatively evaluates the internal freeze-thaw damage process of asphalt mixture, and a morphological theory of the evolution of void damage based on an equivalent ellipse is proposed, which is helpful for better understanding the freezing-thawing damage law of asphalt pavement.
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