Optimal selection of chemical composition of pavement materials based on wave-absorbing heating characteristics and design of de-icing functional layer for pavements
Source abstract
Abstract
To address the challenges of poor absorption and heating performance, as well as low de-icing efficiency in conventional microwave de-icing technology, this study designs a novel wave-absorbing functional layer for asphalt pavement structures. By examining the heating characteristics, microwave durability, and economic viability of six wave-absorbing chemical components under various environmental conditions and employing entropy weight scoring and principal component analysis for comprehensive evaluation, Fe₃O₄ is identified as the optimal wave-absorbing component. Accordingly, natural magnetite aggregates rich in Fe₃O₄ are identified. The results indicate that a particle size of 4.75–9.5 mm yields the fastest heating and best surface temperature uniformity; substituting 75% limestone with magnetite enhances high-temperature stability; and a functional-layer thickness of 6 cm maximizes wave-absorbing aggregate utilization and de-icing efficiency. In conclusion, the wave-absorbing functional layer in asphalt pavements achieves excellent de-icing results and demonstrates strong environmental compatibility, offering an effective solution for road maintenance.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Material Properties and Applications · Smart Materials for Construction · Magnesium Oxide Properties and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (50)
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