Putri, Viorentika Vigrid Yuniar Diergan (2026) Pengaruh Gradasi dan Aplikasi Seal Coat terhadap Makrotekstur dan Skid resistance Runway pada Akumulasi Rubber Deposit (Studi Laboratorium). Masters thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Landasan pacu (Runway) merupakan elemen kritis dalam keselamatan penerbangan. Akumulasi rubber deposit akibat gaya geser roda pesawat saat pendaratan dapat mengisi rongga tekstur permukaan perkerasan sehingga menurunkan nilai skid resistance dan meningkatkan risiko Runway excursion, terutama pada kondisi basah. Penelitian ini menganalisis pengaruh variasi gradasi campuran aspal serta aplikasi seal coat terhadap makrotekstur, skid resistance, dan kecenderungan akumulasi rubber deposit pada perkerasan lentur Runway melalui studi laboratorium.
Penelitian dilakukan pada tiga gradasi campuran aspal, yaitu FAA AC (dense graded), BBA (open graded), dan FAA SMA (gap graded). Pengujian skid resistance dilakukan menggunakan British Pendulum Tester, sedangkan makrotekstur diukur dengan metode Sand patch. Seal coat diaplikasikan menggunakan aspal emulsi CRS-2. Estimasi akumulasi rubber deposit dianalisis melalui pendekatan teoretis dengan mengaitkan perubahan nilai skid resistance dan karakteristik tekstur permukaan.
Hasil penelitian menunjukkan bahwa gradasi FAA SMA (gap graded) menghasilkan nilai skid resistance tertinggi (74 BPN), diikuti FAA AC (dense graded) sebesar 66 BPN dan BBA (open graded) sebesar 62 BPN. Aplikasi seal coat meningkatkan nilai skid resistance pada gradasi dense graded menjadi 72 BPN dan open graded menjadi 65 BPN, sedangkan gradasi gap graded tetap 74 BPN. Nilai makrotekstur (MTD) sebelum aplikasi seal coat berturut-turut sebesar 3,29 mm (FAA SMA), 1,21 mm (FAA AC), dan 1,43 mm (BBA), kemudian berubah menjadi 2,51 mm, 1,98 mm, dan 2,58 mm setelah aplikasi seal coat. Analisis estimasi menunjukkan kecenderungan penurunan potensi akumulasi rubber deposit setelah aplikasi seal coat, terutama pada gradasi dense dan open graded.
Kontribusi ilmiah penelitian ini terletak pada integrasi analisis gradasi, aplikasi seal coat, dan estimasi rubber deposit berbasis pengujian laboratorium pada perkerasan Runway. Hasil penelitian memberikan implikasi praktis bagi pengelola bandar udara dalam pemilihan gradasi dan strategi pemeliharaan preventif untuk mempertahankan skid resistance dan meningkatkan keselamatan operasional Runway.=============================================================================================================================================================================
Runways are critical elements in aviation safety. The accumulation of rubber deposits caused by shear forces from aircraft wheels during landing can fill surface texture voids, leading to a reduction in skid resistance and an increased risk of Runway excursion, particularly under wet conditions. This study analyzes the effects of asphalt mixture gradation and seal coat application on macrotexture, skid resistance, and the tendency of rubber deposit accumulation on flexible Runway pavements through a laboratory study.
The study was conducted on three asphalt mixture gradations, namely FAA AC (dense graded), BBA (open graded), and FAA SMA (gap graded). Skid resistance was evaluated using the British Pendulum Tester, while macrotexture was measured using the Sand patch method. Seal coat was applied using CRS-2 asphalt emulsion. Rubber deposit accumulation was estimated through a theoretical approach by correlating changes in skid resistance with surface texture characteristics.
The results indicate that the FAA SMA (gap graded) mixture produced the highest skid resistance value (74 BPN), followed by FAA AC (dense graded) at 66 BPN and BBA (open graded) at 62 BPN. Seal coat application increased skid resistance for the dense graded mixture to 72 BPN and for the open graded mixture to 65 BPN, while the gap graded mixture remained unchanged at 74 BPN. The macrotexture (MTD) values before seal coat application were 3.29 mm for FAA SMA, 1.21 mm for FAA AC, and 1.43 mm for BBA, which changed to 2.51 mm, 1.98 mm, and 2.58 mm, respectively, after seal coat application. The estimation analysis shows a tendency toward reduced potential rubber deposit accumulation after seal coat application, particularly for the dense graded and open graded mixtures.
The scientific contribution of this study lies in the integrated analysis of mixture gradation, seal coat application, and rubber deposit estimation based on laboratory testing of Runway pavements. The findings provide practical implications for airport authorities in selecting surface gradation and preventive maintenance strategies to maintain skid resistance and enhance Runway operational safety.
| Item Type: | Thesis (Masters) |
|---|---|
| Uncontrolled Keywords: | Maktrotekstur, Gradasi, Rubber deposit, Seal coat, Skid resistance. Macrotexture, Gradation, Rubber deposit, Seal coat, Skid resistance. |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA418.16 Materials--Testing. T Technology > TA Engineering (General). Civil engineering (General) > TA441 Aggregates T Technology > TA Engineering (General). Civil engineering (General) > TA443.A7 Asphalt T Technology > TE Highway engineering. Roads and pavements > TE7.H5 Airports--Planning. Airport terminals--Planning |
| Divisions: | Faculty of Civil Engineering and Planning > Civil Engineering > 22101-(S2) Master Thesis |
| Depositing User: | Viorentika Vigrid Yuniar Diergan Putri |
| Date Deposited: | 28 Jan 2026 08:14 |
| Last Modified: | 28 Jan 2026 08:14 |
| URI: | http://repository.its.ac.id/id/eprint/130863 |
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