15-05-2017, 09:06 AM
For the development of the economy of a country's transport system has a special role. By means of a good safe, fast, comfortable, convenient transportation system, communication for people becomes possible and it is essential for the distribution of various goods in the country that is fundamental for the economy, industrial and environmental. For developing countries good road system is very important to win the way of modern society. Several road deterioration factors should be considered for good road system. Maintenance of the motorway is very important for all traffic management. With weak road maintenance system several road defects are the main causes of accident. Therefore, to be a successful engineer, a person should not only be able to design the way, but also skillful to keep the path.
Flexible pavement fails due to any of the following three faults. They are subgrade failure, subbase or base failure, and wear course failure. Pavement deterioration is usually not only the result of poor design and construction; it is also caused by the inevitable wear and tear that occurs over the years, the variation of the climate, the increase of multi-axle vehicles and the heavy traffic. The function of preserving, repairing and restoring a road.
Flexible pavement fails due to any of the following three faults. They are subgrade failure, subbase or base failure, and wear course failure. Pavement deterioration is usually not only the result of poor design and construction; it is also caused by the inevitable wear and tear that occurs over the years, the variation of the climate, the increase of multi-axle vehicles and the heavy traffic. The function of preserving, repairing and restoring a road.