预养护技术在商丘市203线养护工程中的应用研究
[Abstract]:After the highway was built and opened to traffic, it suffered from the erosion and weathering of natural forces, such as torrential rain, flood, wind and sand, snow and ice, sun, ice and melting, as well as man-made damage and some defects left over from the construction of the road, because of the wear and tear of the wheels. The quality of highway use will decrease gradually. Therefore, maintenance and repair measures must be taken after the highway is completed and opened to traffic. The maintenance of the highway must repair the damaged part in time, otherwise it will lead to the increase of the investment in the repair works, shorten the service life of the highway, cause economic and property losses to the country and people, and even threaten the life safety of the road users. The traditional pavement maintenance is carried out after the pavement surface is damaged seriously and even the pavement structure is damaged. Pre-maintenance technology through regular detection of road conditions, timely detection of road surface before serious diseases, and take appropriate measures to deal with them, so as to maintain a good road performance and road service level. Compared with traditional maintenance technology, pre-maintenance has changed from passive state of highway maintenance to active state, and has significant advantages in economic and social benefits. Through the study of different preventive maintenance techniques and the application of pre-maintenance measures such as filling seal and micro-surfacing to the maintenance engineering of S203 line, the disease investigation and analysis of asphalt pavement of S203 line and the technical evaluation of road condition are carried out. In order to achieve the desired maintenance effect. The engineering application shows that pre-maintenance can effectively restrain the development of pavement disease, protect pavement structure in time, and reduce the cost of pavement life cycle while improving the road performance. It has produced remarkable economic and social benefits. The acceptance and completion of the project further verifies the feasibility, advanced nature and importance of the preventive maintenance technology in the highway management and maintenance stage.
【学位授予单位】:长安大学
【学位级别】:硕士
【学位授予年份】:2017
【分类号】:U418.4
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