DESIGN OF RETAINING WALLS FOR THE KUSAN RIVER CLIFF STA 4+509 to 4+628 BINAWARA VILLAGE, TANAH BUMBU REGENCY
Abstract
In Tanah Bumbu Regency, specifically the Binawara Village road plays a crucial role as the sole access road for road users. This landslide is thought to have been caused by high tides in the river alongside the road. The construction of a retaining wall in the form of a sheet pile was part of the Kusan River Bank Reinforcement Project in Binawara Village, Tanah Bumbu Regency, South Kalimantan Province. The landslide is 119 meters long, 6 meters wide, and 8 meters high. The erosion of the river water, which is increasingly wearing away at the cliff, will cause a landslide on the road.
The design of this retaining wall began with a literature study, collecting and studying previous literature related to the design. This was followed by data collection and soil investigation. This was followed by a stability analysis of the existing retaining wall. This was then modeled and analyzed using Geostudio 2024 software to obtain a safety factor. Finally, the retaining wall and overall stability were calculated.
From the results of the stability analysis of the existing retaining wall, a safety factor of 0.995 <1.5 was obtained, which means the slope is not safe. In the calculation of the depth D_design, it was obtained in the sheet pile of D = 9 m. So the total sheet pile length is 17 m. The maximum moment obtained from the calculation was 22.58 t.m, while the cracking moment of the concrete sheet pile type was 23.40 t.m. The maximum moment <cracking moment was obtained, so the sheet pile construction was declared safe. The anchor force obtained was 56.51 tons/m. If a tie rod with s = 1 m was installed, the anchor force that occurred was 7.06 tons/m. With the ST-44 steel quality design, the tie rod diameter was 350.14 cm^3. Based on the results of the overall stability, it can be concluded that it has met the requirements and can be declared safe (SF 2.027 > 1.5).
Keywords: Retaining Wall, Sheet Pile, Overall stability, safety factor, anchorage.
Full Text:
PDFReferences
Bowles, Joseph E. 1981. Foundation Analysis and Design (Volume 2)..Erlangga: Jakarta. Craig, R.F., 1989. Soil Mechanics. Erlangga Publisher. Jakarta. Fathani, T
Das, Braja M. 1993. Soil Mechanics Volume I (Principles of Geotechnical Engineering). Erlangga: Jakarta.
Das, Braja. M. 1993. Soil Mechanics Volume II (Principles of Geotechnical Engineering). Erlangga: Jakarta.
Das, B. M., & Mochtar, N. E. (1993). Principles of Geotechnical Engineering. Principles of Geotechnical Engineering, 239.
Das, B. M., Endah, N., & Indrasurya, B. M. (1995). soil mechanics II. Fourth Edition, Erlangga, Jakarta.
Dermawan, A., Syaiful, S., Alimuddin, A., & Fachruddin, F. (2022). Stability Analysis of Retaining Walls (Case Study: Mekarjaya Village, Ciomas District, Bogor Regency). Rona Agricultural Engineering, 15(2), 67-81. Gadjah Mada University Press.
Hardiyatmo, H. C. (2003). Soil mechanics II.
Hardiyatmo, H. C. (2012). Landslides & erosion: occurrence and management.
Hardiyatmo, H. C. (2019). Soil Mechanics 1 (Seventh Edition). Gajdah Mada University Press.
Sitompul, R. V. (2024). Evaluation of the Stability of Retaining Walls in the Construction of Sheet Piles in Simalungun Regency.
Bowles, J. E. (1988). FOUNDATION ANALYSIS AND DESIGN (4th ed.). Erlangga.
Kurniawan, I., & Endayanti, M. (2022). ANALYSIS OF RETAINING WALL REINFORCEMENT (CASE STUDY: WAMPU DAM AREA, KUTA BULUH DISTRICT, KARO REGENCY). JOURNAL OF CIVIL ENGINEERING, 11(1), 108.
Umar, A., Budiman, E., Abdi, F. N., Ikrimah, M. A., & Sutanto, H. (2020). STUDY OF LANDSLIDE HANDLING WITH SEVERAL ALTERNATIVE RETAINING WALLS. 2.
Gazali, A., Sidiq, A., & Surya, A. (2020). SLOP STABILITY ANALYSIS AND LANDSLIDE MITIGATION USING PLAXIS V.8.2 PROGRAM. Civil Engineering Journal, 3.
Aisah, E., & Gofar, N. (2022). Study of the Effect of Rainfall on Slope Stability Using the Perisi Program. Journal of Civil Engineering (JRS-Unand), 18(2), 133.
DOI: https://doi.org/10.20527/crc.v10i1.18161
Refbacks
- There are currently no refbacks.
Copyright (c) 2026 Silfiana Silfiana, Humaira Afrila, Ulfa Fitriati
This work is licensed under a Creative Commons Attribution 4.0 International License.
Indexed By:
GOOGLE SCHOLAR : Kutipan = 2, H-index = 1, i10-index = 0
