EVALUASI TEBAL PERKERASAN JALAN DENGAN METODE ANALISA KOMPONEN, METODE ASPHALT INSTITUTE, DAN PROGRAM KENPAVE PADA JALAN GUMENTER - KABUARAN
AULIA, ROBITH AZKAL
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Infrastructure is the primary factor determining the growth of a country. The development in the infrastructure sector is expected to serve the transportation needs to support the growth of access and economy, as well as to cope with increased traffic growth. This research was conducted on road improvement project on Gumenter- Kabuaran, Kebumen Sub-district, Kebumen District. The Gumenter-Kabuaran road segment includes collector roads which have high vehicle traffic, as there are strategic locations such as schools and markets. In addition, this road segment becomes the transportation route of embankment material for Kutoarjo-Kroya rail double track project. Primary data in this research is taken from CV. Adhi Jaya Counsultant as consultant planner of this project. This research uses Analisa Komponen method and Asphalt Institute method. Based on pavement layer thickness analysis, Analisa Komponen method produced the surface layer of 7.5 cm (Laston MS 340), the base layer of 10 cm (Laston Atas MS 340), and sub-base layer of 15 cm (Agragate Class B). The Asphalt Institute produces the surface layer of 5 cm (Laston MS 340), (Laston Atas MS 340) Base layer of 10 cm, and Agregate Class B Base layer of 15 cm. The result of pavement analysis using Kenpave program showed that the value of horizontal strain (Ԑc) of -0,0002958, vertical strain (Ԑt) 0,000679 for Analisa Komponen method. Then horizontal strain (Ԑc) of -0,0003448, vertical strain (Ԑt) 0,0008011 for Asphalt Institute method. The result of pavement damage analysis using Asphalt Institute method showed fatigue cracking load repetition (Nf) of 149.311,662 ESAL (Analisa Komponen method) and 90.160,199 ESAL (Asphalt Institute method). Furthermore, the analysis results indicate the rutting load repetition (Nd) were 208.240,568 ESAL for Analisa Komponen method and 99.386,444 ESAL for the Asphalt Institute method. The planned load repetition value were 212,880.8 ESAL (Analisa Komponen) and 208.154.1 (Asphalt Institute). Fatigue cracking load repetition (Nf) and rutting (Nd) smaller then planned load repetition (Nr). So it can be concluded that the design of pavement layer thickness using Analisa Komponen and Asphalt Institute method unable to retain the planned load traffic and road will be destroy before life plan.