Maintenance decision methods of asphalt pavement

Under the traffic load and kinds of natural factors, performance and bearing ability of asphalt pavement is gradually decline. So, taking timely repairs and maintenance measures on the road is quite essential, and it can also improve the pavement performance and extend the life of the road. There are varieties of maintenance programs for asphalt pavement, and each of them has its best application conditions. Due to various limitations, there is often not “best solutions” However, there is usually existing a cost-effective “preferred solution” of the actual project. This article is to discuss how to determine the preferred rehabilitation program under the given constraints.