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Study on Distress Patterns, Causes and Maintenance of Flexible Pavement for Selected Portions

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Study on Distress Patterns, Causes and Maintenance of Flexible Pavement for Selected Portions


Nyein Nyein Thant | Soe Soe War



Nyein Nyein Thant | Soe Soe War "Study on Distress Patterns, Causes and Maintenance of Flexible Pavement for Selected Portions" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5, August 2019, pp.39-44, URL: https://www.ijtsrd.com/papers/ijtsrd25233.pdf

This paper presents the study on flexible pavement distresses and repair techniques in two selected road portions. It is very important to know the flexible pavement distresses and its patterns. Pavement deterioration is serious problem for road and traffic highway sector in Myanmar. Tada U-Airport road (6/0 to 8/0 mile) and Paleik-Tada U road (0/0 to 7/0 mile) portions are chosen in this study. The failure patterns are classified depending upon the visual investigation along the study areas and identify the failure patterns of the two selected road portions. Map cracking, depression, corrugation, rutting, longitudinal cracking, pothole, edge failure, crocodile cracking, delamination, raveling and bleeding are found in the selected road portions. Along the selected portions, the pavements are damaged by the effects of weather, organic growth, traffic wear and damages as well as deterioration due to aging, excessive traffic loading of heavy trucks, insufficient pavement thickness, material failure, design faults and construction faults. The required overlay thickness is calculated by using India Road Congress (IRC) formula. After calculated, Tada U-Airport road requires overlay thickness of 6 inches and Paleik-Tada U road requires overlay thickness of 5 inches.

pavement, distresses, visual inspection, IRC, Investigation


IJTSRD25233
Volume-3 | Issue-5, August 2019
39-44
IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470
Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

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