Wijaya, Vio Aditya Pratama (2026) Analisis Stabilitas Dan Penurunan Timbunan Jalan Di Atas Tanah Lunak Dengan Penambahan Bamboo Chips Dan Fly Ash Berbasis Finite Element Method. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Soft soil has characteristics such as low bearing capacity, low shear strength, and high compressibility, which can cause settlement and instability of road embankments. This study aims to analyze the effect of stabilization using Fly Ash and Bamboo Chips on the Safety Factor (SF) and settlement of road embankments on soft soil using the Finite Element Method with PLAXIS 2D software. The analyzed variations consisted of untreated soil, 15% Fly Ash, 15% Fly Ash + 25% Bamboo Chips, 15% Fly Ash + 30% Bamboo Chips, and 15% Fly Ash + 35% Bamboo Chips. The analysis results showed that the untreated soil had a Safety Factor value of 1.443, which did not meet the minimum safety requirement of SF > 1.5, with a settlement value of 9.74 mm/year. After stabilization, all variations showed an increase in Safety Factor and a decrease in settlement. The variation of 15% Fly Ash + 25% Bamboo Chips produced the most optimal condition with an SF value of 1.584 and settlement of 5.40 mm/year. Increasing the Bamboo Chips content to 30% and 35% caused settlement to increase again, reducing the effectiveness of stabilization. Therefore, the use of Fly Ash and Bamboo Chips proved effective in improving stability and reducing settlement of embankments on soft soil.
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||||||||
| Divisions: | Faculty of Engineering > Departement of Civil Engineering | ||||||||||||
| Depositing User: | Vio Aditya Pratama Wijaya Wijaya | ||||||||||||
| Date Deposited: | 02 Jun 2026 02:15 | ||||||||||||
| Last Modified: | 02 Jun 2026 04:09 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/53349 |
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