Roadbed and pavement mixture doped with waste polyester chip product
By adding and surface-treated wig fibers in the roadbed mixture, the existing asphalt pavement mixture has poor crack resistance and general high temperature resistance, which has significantly improved the crack resistance and high temperature resistance of the mixture.
Patent Information
- Application Number
- CN202411765799.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-03-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing asphalt pavement mixture has poor crack resistance and relatively average high temperature resistance under heavy traffic conditions, and the performance of matrix asphalt is difficult to meet the requirements. The cost of modified asphalt is high, which limits its maintenance cost.
Design a roadbed mixture mixed with waste polyester slice products. By reprocessing the addition of wig fibers, the crack resistance of the mixture and the viscosity toughness of the matrix asphalt are improved, thereby improving high temperature resistance. The specific method includes surface treatment of the used polyester sliced product wig fibers through silane coupling agent to form stable chemical bonds and improve the bonding performance between the fiber and asphalt.
By adding the wig fibers, the crack resistance of the mixture and the viscosity and toughness of the matrix asphalt are significantly improved, the high-temperature resistance is improved, and the high-temperature stability, low-temperature crack resistance, water stability and fatigue life of the asphalt mixture are improved.
Smart Images
Figure CN119569372A_ABST