Wahyudi, Ifthar Ramadhana (2025) Analisis Stabilitas Lereng dengan Variasi Kemiringan Menggunakan Perkuatan Shotcrete dan Soil Nailing Pada Proyek Jalan Tol Probolinggo - Banyuwangi Paket 3. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
One of the challenges in the construction of the Probolinggo–Banyuwangi Toll Road Package 3 is that the alignment passes through hilly terrain, requiring excavation, while limited land acquisition at several points has the potential to hinder construction. The purpose of this study is to analyze slope stability with slope variations of 45°, 55°, 65°, and 75°, as well as the application of soil nailing and shotcrete reinforcement. The slope stability analysis was carried out using the Bishop Simplified method manually and with GeoStudio and Geo5 software, considering static conditions, heavy equipment loads, and earthquake loading through pseudostatic analysis (kh = 0.141). The data used in this study include SPT results, cross-sections, horizontal seismic coefficient, excavator load, and shotcrete material properties. The results show that the existing 45° slope has a safety factor (SF) of 1.692 and remains stable. Increasing the slope steepness reduces the SF to 1.486 at 55°, 1.249 at 65°, and 1.07 at 75°, with the latter approaching unstable conditions. Soil nailing reinforcement improves stability with an SF of 1.53, while the combination of soil nailing and shotcrete also results in an SF of 1.53, both meeting the SNI 8460:2017 criteria. From an efficiency perspective, steeper slope design reduces land requirements by up to 27.64 m at a 75° inclination. These findings indicate that soil nailing with shotcrete protection is effective in enhancing slope safety while also supporting land-use efficiency in similar infrastructure projects.
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TE Highway engineering. Roads and pavements |
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| Divisions: | Faculty of Engineering > Departement of Civil Engineering | ||||||||||||
| Depositing User: | Ifthar Ramadhana Wahyudi | ||||||||||||
| Date Deposited: | 16 Sep 2025 01:41 | ||||||||||||
| Last Modified: | 16 Sep 2025 01:41 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/43558 |
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