Low Temperature Performance Prediction Model of Cold-Filled SMA-13 Asphalt Mixture
- 1 The Transportation Engineering School, Shenyang Jianzhu University, Shenyang, China
- 2 Yueyang Maritime Bureau of the People’s Republic of China, Yueyang, China
- 3 Liaoning Provincial Transportation Development Center, Shenyang, China
- 4 The Transportation Engineering School, Shenyang Jianzhu University, Shenyang, China
Abstract
Sets of cold-filled SMA-13 asphalt mixture were designed by means of orthogonal design method. The bending and low temperature creep tests of the cold-filled SMA-13 asphalt mixture were carried out. The related models of the fractal dimension and the road performance evaluation index including low temperature bending failure strain ε B and bending strength RB are established by using fractal theory. The model can be used to predict the low temperature performance of cold-filled SMA-13 asphalt mixture according to the design gradation, which can reduce the test workload and improve the working efficiency, so as to provide the reference for engineering design.
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