Evaluation of Sample Unit Length in PCI Method in Semarang City, Indonesia
Keywords:
Pavement Condition Index (PCI), sample unit length, distress, deterioration, road maintenanceAbstract
Overloaded vehicles are a major cause of increased pavement damage, leading to higher maintenance costs. In this study, the Pavement Condition Index (PCI) was used as an indicator to assess the condition of road pavements. Pavement condition evaluations were conducted at several locations using ASTM D6433-07 criteria and PCI calculation, with samples taken at distances of 50m, 100m, and 150m. The study found that PCI values accurately predicted regulatory restrictions on overloaded vehicles. The PCI value for a 150-meter distance showed a higher tolerance to heavier loads compared to 50m and 100m. The research highlights that pavement deterioration leads to continuous damage in road networks due to excessive traffic, weather, and lack of maintenance, resulting in higher accident rates and maintenance costs. This study aims to evaluate the effectiveness of PCI as a tool for pavement assessment, examine the impact of sample unit length on results, and provide recommendations for optimizing PCI use in determining when maintenance or rehabilitation is required.
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