Haryono, Muhammad Iqbal Yefa Imam (2025) Analisis Redesain Dinding Penahan Tanah Tipe Bronjong Menjadi Tipe Kantilever Pada Jembatan Girder Tol. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Gabion-type retaining walls (existing) are commonly used due to their flexibility and ease of installation; however, they have limitations in resisting lateral pressure, erosion, and scouring, which can reduce slope stability. As an alternative, cantilever-type retaining walls offer a sturdier structure that is more resistant to dynamic loads and scouring. This study aims to redesign the existing gabion-type retaining wall into a cantilever-type retaining wall for a toll girder bridge. The method employed is an analytical-quantitative approach, conducting stability analysis for both gabion and cantilever retaining walls using manual calculations with the Rankine method and Geo5 software. The data used include the results of the Standard Penetration Test (SPT) and project technical documents (shop drawings and borelogs). Manual calculation results show that the gabion retaining wall has safety factors of 2.79 against overturning, 2.10 against sliding, and 3.40 for bearing capacity; while the cantilever type has 3.24, 2.79, and 4.50, respectively. The results obtained from Geo5 software show that the gabion retaining wall has safety factors of 2.32 for overturning, 1.52 for sliding, and 4.08 for bearing capacity. Meanwhile, the cantilever retaining wall achieves safety factors of 2.57 for overturning, 3.98 for sliding, and 4.22 for bearing capacity. The comparison of safety factors indicates that the cantilever retaining wall has higher values than the existing gabion retaining wall; therefore, it is recommended that the existing gabion retaining wall be redesigned into a cantilever-type retaining wall.
| 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: | Unnamed user with email 21035010137@student.upnjatim.ac.id | ||||||||||||
| Date Deposited: | 11 Sep 2025 04:04 | ||||||||||||
| Last Modified: | 11 Sep 2025 04:04 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/42529 |
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