Araştırma Makalesi

Geotechnical Investigation of a Construction-Site Failure: Insights from Field and Numerical Analyses

Cilt: 14 Sayı: 1 23 Mart 2026
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Geotechnical Investigation of a Construction-Site Failure: Insights from Field and Numerical Analyses

Öz

This study provides a comprehensive evaluation of the causes of slope instability occurring at a construction site characterized by complex geotechnical conditions. It is well established that slope stability problems rarely arise from a single factor; rather, they are the result of interactions among multiple parameters such as soil lithology, plasticity characteristics, discontinuities, groundwater level, rainfall–infiltration processes, dynamic loading conditions, and excavation geometry. In this context, the subsurface profile of the study area was thoroughly characterized through field borehole investigations, laboratory tests, and groundwater observations. The slope behavior was subsequently analyzed under static, pseudo-static, and seepage-induced conditions using the finite element method. The analysis results indicate that groundwater level and drainage conditions substantially increase pore-water pressures along critical slip surfaces, thereby triggering instability. Consistent with existing literature, even minor variations in soil engineering parameters were observed to produce significant changes in the factor of safety, while inadequate drainage conditions accelerated the loss of stability. Overall, the study systematically addresses the multifactorial nature of slope instability from an engineering perspective and presents a comprehensive assessment that integrates field data with advanced numerical modeling. The findings contribute to the development of safe, optimized, and technically robust slope design solutions under complex geotechnical conditions.

Anahtar Kelimeler

Kaynakça

  1. [1] Erdağ, A. (2021). Slope Stability Evaluation of Basement Excavation: A Case Study. Düzce Üniversitesi Bilim ve Teknoloji Dergisi, 9(5), 1936-1948.
  2. [2] Li, L., Wang, Y., Zhang, L., Choi, C., & Ng, C. W. (2019). Evaluation of critical slip surface in limit equilibrium analysis of slope stability by smoothed particle hydrodynamics. International Journal of Geomechanics, 19(5), 04019032.
  3. [3] Pınarlık, M., Kardoğan, P. S. Ö., & Demircan, R. K. (2017). Şev stabilitesine zemin özelliklerinin etkisinin limit denge yöntemi ile irdelenmesi. Mühendislik Bilimleri ve Tasarım Dergisi, 5(3), 675-684.
  4. [4] Khan, M. I., Fei, J., Chen, X., & Chen, Y. (2025). Usage of permeability ratio to check the stability of a pile-soil model with retaining wall support–Huizhou slope failure as a case study. International Journal of Geo-Engineering, 16(1), 7.
  5. [5] Park, S., Kim, W., Lee, J., & Baek, Y. (2018). Case study on slope stability changes caused by earthquakes—focusing on Gyeongju 5.8 ML EQ. Sustainability, 10(10), 3441.
  6. [6] Erdağ, A., & Kardoğan, P. S. Ö. (2022). Experimental study on plastic waste application for soil stabilization. Environmental Engineering & Management Journal (EEMJ), 21(9).
  7. [7] He, Y., Li, B., & Du, X. (2023). Soil Slope Instability Mechanism and Treatment Measures under Rainfall—A Case Study of a Slope in Yunda Road. Sustainability, 15 (2), 1287.
  8. [8] Çavuşoğlu, İ., & Alemdağ, S. (2025). Taş Ocağında Patlatmalı Kazı Kaynaklı Zemin Titreşimleri, Hava Şoku ve Şev Duraylılığının İncelenmesi: Örnek Bir Uygulama. Doğal Afetler ve Çevre Dergisi, 11(2), 557-571.

Ayrıntılar

Birincil Dil

İngilizce

Konular

İnşaat Geoteknik Mühendisliği

Bölüm

Araştırma Makalesi

Erken Görünüm Tarihi

23 Mart 2026

Yayımlanma Tarihi

23 Mart 2026

Gönderilme Tarihi

25 Kasım 2025

Kabul Tarihi

25 Aralık 2025

Yayımlandığı Sayı

Yıl 2026 Cilt: 14 Sayı: 1

Kaynak Göster

APA
Köroğlu, T., Öztürk Kardoğan, P., Erdağ, A., & Yeşil, L. (2026). Geotechnical Investigation of a Construction-Site Failure: Insights from Field and Numerical Analyses. Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji, 14(1), 305-317. https://doi.org/10.29109/gujsc.1830035
AMA
1.Köroğlu T, Öztürk Kardoğan P, Erdağ A, Yeşil L. Geotechnical Investigation of a Construction-Site Failure: Insights from Field and Numerical Analyses. GUJS Part C. 2026;14(1):305-317. doi:10.29109/gujsc.1830035
Chicago
Köroğlu, Temel, Pınar Öztürk Kardoğan, Ahmet Erdağ, ve Latif Yeşil. 2026. “Geotechnical Investigation of a Construction-Site Failure: Insights from Field and Numerical Analyses”. Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji 14 (1): 305-17. https://doi.org/10.29109/gujsc.1830035.
EndNote
Köroğlu T, Öztürk Kardoğan P, Erdağ A, Yeşil L (01 Mart 2026) Geotechnical Investigation of a Construction-Site Failure: Insights from Field and Numerical Analyses. Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji 14 1 305–317.
IEEE
[1]T. Köroğlu, P. Öztürk Kardoğan, A. Erdağ, ve L. Yeşil, “Geotechnical Investigation of a Construction-Site Failure: Insights from Field and Numerical Analyses”, GUJS Part C, c. 14, sy 1, ss. 305–317, Mar. 2026, doi: 10.29109/gujsc.1830035.
ISNAD
Köroğlu, Temel - Öztürk Kardoğan, Pınar - Erdağ, Ahmet - Yeşil, Latif. “Geotechnical Investigation of a Construction-Site Failure: Insights from Field and Numerical Analyses”. Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji 14/1 (01 Mart 2026): 305-317. https://doi.org/10.29109/gujsc.1830035.
JAMA
1.Köroğlu T, Öztürk Kardoğan P, Erdağ A, Yeşil L. Geotechnical Investigation of a Construction-Site Failure: Insights from Field and Numerical Analyses. GUJS Part C. 2026;14:305–317.
MLA
Köroğlu, Temel, vd. “Geotechnical Investigation of a Construction-Site Failure: Insights from Field and Numerical Analyses”. Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji, c. 14, sy 1, Mart 2026, ss. 305-17, doi:10.29109/gujsc.1830035.
Vancouver
1.Temel Köroğlu, Pınar Öztürk Kardoğan, Ahmet Erdağ, Latif Yeşil. Geotechnical Investigation of a Construction-Site Failure: Insights from Field and Numerical Analyses. GUJS Part C. 01 Mart 2026;14(1):305-17. doi:10.29109/gujsc.1830035

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