Using Pavement Condition Index to Evaluate the Condition of Flexible and Rigid Pavements

Saadulla, Hardi and Ibrahim Mohammed, Ilham and Sani, Ashiru (2019) Using Pavement Condition Index to Evaluate the Condition of Flexible and Rigid Pavements. Eurasian Journal of Science and Engineering, 4 (4). pp. 110-121. ISSN 24145629

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Abstract

Pavement deterioration is a continuous problem that reduces the service lifetime of the roads if they're not treated before they get worsen. Generally, quality of the materials and construction isn’t the sole reason, if so, still they'll be controlled by periodic inspection and maintenance. Pavement condition index is one amongst the effective parameters that is important to be observed for each road and suggested to be updated each year. The objective of this study is to calculate PCI for two roads in Sulaimani city, including both flexible and rigid pavement. The procedure of ASTM D6433 was followed for visual observation of the defects and total station instrument was used for locating the real coordinate of the defects on the roads for any actions to be taken. A 720m long Badinan Road surveyed for rigid pavement and it had been found that due to lack periodic maintenances, transverse joints spalled and widened with some other defects that resulted an overall PCI of 41.1 (Fair). For flexible pavement a 1620m long Hawary Shar road surveyed, although transverse and longitudinal cracking were major defects within the road with some other sorts of defects, but the road performed with a PCI of 95.5 (Excellent). Some maintenance procedures were recommended for both pavement type based on the severity level of the defects.

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