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Corresponding Author

李云隆，男，硕士研究生.E-mail：2751341676@qq.com

Abstract

To investigate the effect of phase change materials (PCMs ) on improving the thermal erosion resistance of airport pavements and to provide recommendations for selecting optimal PCMs to obtain airport pavements with longer service lives, three PCMs, PCM-G- 98 (A), LB- 2 (B), and TH-HC- 120 (C), were purchased based on literature summaries and market research. Based on microscopic test results and the actual preparation conditions of modified asphalt, PCMs A and B were selected. Subsequently, based on a self-made high-content SBS modified asphalt (S), four groups of composite modified asphalts (S-A- 5, S-A- 10, S-B- 5, and S-B- 10) with different mass fractions were prepared. A simultaneous thermal analyzer (TG-DSC ), heat storage-exothermic tests, and infrared spectroscopy (FTIR ) were used to analyze the latent heat of phase change and functional group characteristics of the PCMs. A dynamic shear rheometer (DSR ) was employed to analyze the rheological properties of the composite modified asphalts, and the modification mechanism was analyzed using FTIR. The results indicate that PCM C exhibits the strongest temperature regulation capacity but is not suitable for high-temperature environments, and S-A- 10 presents the best thermal erosion resistance.

Publication Date

6-27-2026

DOI

10.14048/j.issn.1671-2579.2026.03.005

First Page

36

Last Page

44

Submission Date

June 2026

Reference

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