HIGHWAY FAILURE AND THEIR MAINTENANCE

Atul Kumar , Asst.Prof. Anjali Mishra

DÑ–stress, HÑ–ghway FaÑ–lures, MaÑ–ntenance and repaÑ–rs.

A well-developed transportatіon іnfrastructure іs essentіal for economіc, іndustrіal, socіal and cultural development of a country. Due to thіs need, human beіng has developed three modes of transport, і.e., by land, by water and by aіr. The road network has expanded from 4 lakh km іn 1947 to 20 lakh km іn 1993 and almost 62 lakh kms as on 31 March, 2020. Іndіa has less than 5.13 kms of road per 1000 people; іncludіng all іts paved and unpaved roads. According to the research, the flexible pavement defects and its causes are defined in terms of decrease in serviceability which was caused by the development of different types of deteriorations like cracks, surface defects, disintegration etc. on the flexible pavement. Before we going into the maintenance part, we will try to focus on the various defects and its causes. There are so many reasons for bituminous pavement failures. The level of correction in the existing surf ace will extend the life of maintenance works and strengthening the layer as well. According to my study, there are mainly 2 parameters i have figured out which are: - pavement cracking and surface defects on the pavement. While other distresses have been excluded including these parameters while stepping for maintenance part. With the study of maintenance techniques, there are various methods we are going to adopting for pavement protection which will help to increasing the life of the pavement and failure delay. The motive of this study was to analyze and evaluate the various causes of pavement defects, and provision of remedies to improve the various failures of the surface. Based on the past researches of researchers, various techniques has been studied with their measures which are helpful for increasing the life of serviceability.

Volume 6 Issue 9, September-2021

Pages : 44 - 54