Stability Analysis of Bagong Maindam using Geostudio
DOI:
https://doi.org/10.21776/ub.pengairan.2024.015.02.1Keywords:
Dam Stability, Deformation, Displacement, Geostudio, SeepageAbstract
This research investigates the stability and seepage analysis of Bagong Dam, which is an important factor in dam planning. The planned dam must withstand various loads and forces acting on it. Seepage analysis was conducted using the Seep/W program in Geostudio software. For dam stability analysis, the Bishop Method was utilized with the assistance of the Slope/W program in Geostudio software. The safety factor (SF) in seepage analysis and dam stability must meet the required threshold to confirm the dam's safety. The results of the seepage analysis for Bagong Dam indicate safety, as the seepage discharge (QNWL = 0.005018039 m3/s; QFWL = 0.005412454 m3/s; and QMWL = 0.002444141 m3/s) is less than 1% of the Bagong River inflow discharge (0.06791 m3/s). In the stability analysis, the safety factor (SF) results for the dam under conditions without earthquakes and 100 and 200-year Operational Based Earthquakes (OBE) indicate that the dam is safe. However, the dam is considered unstable under an earthquake load with a return period of 10,000 years (Maximum Design Earthquake, MDE). Deformation analysis using the Makdisi and Seed Method was performed to ensure its safety. The results indicated that the maximum displacement was less than permissible, indicating that the dam is safe.
References
R. Fell, P. MacGregor, and D. Stapledon, Geotechnical Engineering Of Embankment Dams. Rotterdam: A.A. Balkema, 1992.
U. S. O. Nainggolan and T. E. Wulandari, “Study Comparative Stability of Dam Body with Geomembrane Core Material using GeoStudio Application,” Andalasian International Journal of Applied Science, Engineering and Technology, vol. 4, no. 1, pp. 79–87, May 2024, doi: 10.25077/aijaset.v4i1.105.
N. Restuti, P. Juwono, and A. Hendrawan, “Analisis Stabilitas Lereng Bendungan Wonorejo Berdasarkan Peta Gempa 2004 Dan Peta Gempa 2010,” Journal of Water Resources Engineering, vol. VII, no. 1, pp. 74–78, 2016.
B. Xu, Y. Lu, and R. Pang, “Seismic safety assessment of dam slopes considering rockfill softening characteristics, shear strength uncertainties, and stochastic ground motion,” Structures, vol. 62, p. 106180, Apr. 2024, doi: 10.1016/j.istruc.2024.106180.
B. Xu and S. Wang, “Sensitivity analysis of factors affecting gravity dam anti-sliding stability along a foundation surface using Sobol method,” Water Science and Engineering, vol. 16, no. 4, pp. 399–407, Dec. 2023, doi: 10.1016/j.wse.2023.10.001.
A. Saleh and Q. H. Jalut, “Static And Seismic Stability Analysis of Small Hydraulic Structure Under Seepage Load: A Case Study of Rawanduz Dam,” Diyala Journal of Engineering Sciences, vol. 14, no. 3, pp. 51–61, Sep. 2021, doi: 10.24237/djes.2021.14305.
H. Ayeche, Z. Zitouni, A. Limam, and A. Bouafia, “Parametric study of the earth dam’s behaviour subjected to earthquake,” Studia Geotechnica et Mechanica, vol. 44, no. 4, pp. 267–281, Dec. 2022, doi: 10.2478/sgem-2022-0017.
S. Selvan, S. Sinha, S. Khupat, C. Singh, K. Jerin Paul, and R. Ali, “Dam Safety Measures Against Earthquakes in Seismic Regions,” 2024, pp. 625–639. doi: 10.1007/978-981-99-1890-4_50.
A. Didari, M. H. Saddagh, and Z. Ghadampour, “Evaluation of seismic performance of earth dams due to the level of its reservoir using finits element method,” in International Conference on Civil, Structural and Transportation Engineering, Avestia Publishing, 2018, pp. 129.1-129.6. doi: 10.11159/iccste18.129.
K. B. Jyothi and U. K. Singh, “Static and pseudo-static stability analysis of right earthen embankment of nagarjuna sagar dam by geostudio,” in E3S Web of Conferences, EDP Sciences, Jun. 2023. doi: 10.1051/e3sconf/202339101018.
A. A. Aldulaimi, “Safety evaluation of the chamrga earth dam. a seepage deformation, and stability analysis with GeoStudio,” in IOP Conference Series: Earth and Environmental Science, IOP Publishing Ltd, May 2021. doi: 10.1088/1755-1315/664/1/012075.
ICOLD (International Commission on Large Dams), “Selecting Seismic Parameters for Large Dams,” Paris, 1989.
Kementerian Pekerjaan Umum, “Analisis Stabilitas Bendungan Tipe Urugan Akibat Gempa,” in Pedoman Konstruksi dan Bangunan, 2004.
Pusat Studi Gempa Nasional, Peta Sumber dan Bahaya Gempa Indonesia Tahun 2017. Bandung: Kementerian PUPR, 2017.
H. Chen, “Seismic safety of high concrete dams,” Earthquake Engineering and Engineering Vibration, vol. 13, no. S1, pp. 1–16, Aug. 2014, doi: 10.1007/s11803-014-0237-x.
M. Karalar and M. Çavuşli, “Evaluation of 3D Nonlinear Earthquake Behaviour of the Ilısu CFR Dam under Far‐Fault Ground Motions,” Advances in Civil Engineering, vol. 2019, no. 1, Jan. 2019, doi: 10.1155/2019/7358710.
Pusat Pendidikan dan Pelatihan Sumber Daya Air dan Konstruksi, “Modul Analisa Stabilitas Bendungan: Perhitungan Rembesan,” 2016, Kementerian PUPR, Bandung.
M. Barreto and S. Helder Cardoso Teixeira, “Emergency repairs downstream of earth and rockfill dams with water spring with indication of internal erosion,” Revista Brasileira de Geografia Física, vol. 17, no. 4, pp. 2653–2670, Jul. 2024, doi: 10.26848/rbgf.v17.4.p2653-2580.
D. Lei, Y. Zhang, Z. Lu, H. Lin, B. Fang, and Z. Jiang, “Slope Stability Prediction Using Principal Component Analysis and Hybrid Machine Learning Approaches,” Applied Sciences, vol. 14, no. 15, p. 6526, Jul. 2024, doi: 10.3390/app14156526.
A. P. Hapsari and Y. Lastiasih, “Comparation of Limit Equilibrium Method (LEM) 2D on Safety Factor and Embankment Reinforcement,” Journal of Infrastructure & Facility Asset Management, vol. 6, no. 0, Feb. 2024, doi: 10.12962/jifam.v6i0.19966.
Badan Standarisasi Nasional, SNI 8064-2016 tentang Metode Analisis Stabilitas Lereng Statik Bendungan Tipe Urugan. Jakarta, 2016.
M. Chen, S. Qi, P. Lv, X. Yang, and J. Zhou, “Hydraulic response and stability of a reservoir slope with landslide potential under the combined effect of rainfall and water level fluctuation,” Environ Earth Sci, vol. 80, no. 1, p. 25, Jan. 2021, doi: 10.1007/s12665-020-09279-7.
R. R. Pratama, H. Suprijanto, and R. Asmaranto, “Analisa Stabilitas Tubuh Bendungan Utama Pada Bendungan Semantok, Nganjuk, Jawa Timur,” Jurnal Teknologi dan Rekayasa Sumber Daya Air, vol. 1, no. 1, pp. 89–102, 2021, doi: 10.21776/ub.jtresda.2021.001.01.08.
L. F. Rojas Gomez, L. S. Ortiz Galindo, and J. A. Cabrera Conislla, “Seismic displacement prediction methods, procedure, comparison and application,” TECNIA, vol. 33, no. 1, pp. 52–61, Jun. 2023, doi: 10.21754/tecnia.v33i1.1335.
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2024 Daffa Budi Fakhruddin, Suwanto Marsudi, Evi Nur Cahya, Muhammad Nurjati Hidayat
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Authors who publish with this journal agree to the following terms:
Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution-NonCommercial 4.0 International License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).
2.png)
