Super-viscose fiber wearing layer cold-mixed asphalt mixture and preventive maintenance method of asphalt pavement
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- JIANGSU TIANNUO ROAD MATERIAL TECH
- Publication Date
- 2016-10-12
- Estimated Expiration
- Not applicable Β· inactive patent
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Abstract
Description
technical field
[0001] The invention relates to a pavement construction material and a pavement construction method, in particular to a cold-mixed asphalt mixture for a super-viscous fiber wear layer and a preventive maintenance method for an asphalt pavement. Background technique
[0002] The design life of expressway pavement is usually 15 to 20 years. After delivery, it can be more than 10 years, and the shortest is 5 to 6 years. The surface layer needs to be repaired or maintained once. my country's expressway asphalt pavement has been used for more than 10 years in the early stage, and a considerable part has been used for more than 5 to 6 years. At the same time, due to various reasons such as the thinner asphalt surface layer of some highways, tight construction period, unreasonable structure, poor material quality, lax construction management or supervision, rapid increase in traffic volume after opening to traffic, and overloaded vehicles, etc. The existing express...