Identifikasi Tingkat Kerusakan Jalan Kenanga Kota Tarakan Dengan Metode Bina Marga

Pamungkas, Muafiruddin; Bakri, Muhammad Djaya · 2023 · Crossref

DOI: 10.35334/cesj.v2i1.4131

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Summary

This study assesses the pavement condition of the Kenanga road section in Tarakan City, North Kalimantan, to determine the appropriate maintenance strategy. The Kenanga road is a secondary collector road located in a densely populated residential area, serving as an alternative axis connecting West and Central Tarakan districts. The research was motivated by the need to evaluate pavement deterioration caused by traffic loads and aging, which affects serviceability and safety. The authors aimed to identify specific damage types and levels to guide repair alternatives, utilizing the Bina Marga method, a standard Indonesian approach for prioritizing road maintenance based on traffic volume and distress severity. The methodology involved field surveys of a 439-meter road segment with a 7.5-meter width. Data collection included geometric road characteristics, traffic volume, and pavement distress identification. Traffic surveys were conducted over three days (Monday to Wednesday) for 15 hours daily to calculate the Average Daily Traffic (ADT). The Bina Marga method was applied by first determining the traffic class based on the ADT converted to standard passenger cars. Subsequently, pavement damages were categorized into types such as cracking, rutting, patching, potholes, surface texture issues, and depressions. Each damage type was assigned a numerical score based on severity metrics like width, depth, and area coverage. These scores were summed to determine the road condition value, which was then used to calculate the Priority Order (UP) using the formula: UP = 17 – (Traffic Class + Condition Value). The results indicated an ADT of 1,875 standard passenger cars per day, corresponding to a traffic class value of 3. Field observations identified four primary damage types: potholes, depressions, patching (including utility cuts), and polished aggregate. The right side of the road exhibited more severe damage, with patching covering 9.08% and potholes 4.62% of the lane area, resulting in a total damage score of 8 and a condition value of 3. The left side had lower damage intensity, with patching at 2.07% and potholes at 0.93%, yielding a total damage score of 5 and a condition value of 2. Consequently, the calculated Priority Order values were 10 for the right side and 11 for the left side. The significance of these findings lies in the determination of the required maintenance level. According to the Bina Marga guidelines, a Priority Order between 4 and 6 indicates the need for periodic maintenance, while values above 7 suggest only routine maintenance is sufficient. However, the authors interpret the scores of 10 and 11 as indicating that the road requires significant repairs, specifically targeting the drainage system component, and should be included in the periodic maintenance program. This conclusion highlights that despite the numerical scores suggesting lower priority, the specific nature of the damages, particularly depressions and drainage-related issues, necessitates more intensive intervention than routine upkeep to prevent further deterioration.

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• incidence prevalence