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The aim is to understand how various environmental factors and aircraft loads contribute to the wear degradation of airport pavements.

April 1, 2026MaterialsOpen Access

Wear Degradation Law of Airport Pavements Under the Coupled Effects of Freeze–Thaw Cycles, Temperature Gradients, and Aircraft Taxiing Loads

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The aim is to understand how various environmental factors and aircraft loads contribute to the wear degradation of airport pavements.
Established a multi-physics finite element model for pavement wear analysis.
Conducted indoor rapid freeze-thaw tests to evaluate pavement performance.
Performed accelerated wear tests to simulate long-term degradation.
Utilized 3D texture scanning for model calibration and validation.
Developed an interpretable CNN-BiLSTM model for predicting wear depth.
Temperature gradients increased wear depth by about 40% and wear mass by 96%.
Higher taxiing speeds led to reduced tire-pavement contact duration, lowering wear.
Freeze-thaw cycles were identified as the primary cause of pavement wear.
Simulation and experimental results exhibited a strong correlation (R2 values above 0.98).
Wear-depth prediction showed low RMSE values of 0.019 and 0.035 for training and test sets.

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Environmental and traffic actions affect wear degradation in airport pavements, indicating vital maintenance needs.

Sun et al. (2026) studied this question.

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