Duraysız Şevlerde Yapılan Stabilite Çalışmaları ve Maliyet Analizi

Öz

Bu çalışmada şevlerin problemlerinden genel olarak bahsedildi ve bu problemleri kontrol altına alabilme yöntemleri anlatıldı. Örnek olarak seçilen Antalya-Kemer karayoluna ait bir yarma şevi hattı alındı ve duraysızlık problemi yaşayan şevlerin deterministik çözümleme yöntemleri hakkında bilgi verildi. Veriler ışığında şevlerin duraylılıklarını yitirme nedenleri incelendi. Sonra problemi oluşturan kaya kütlelerinin hareketini sınırlamak ve yol platformunu güvenlik altına almak için parametreler hesaplandı. Hesaplamalar sonucu şevlerin stabilitesi sağlandı ve birbirinden farklı şev parametreleri karşılaştırmalı olarak ortaya konuldu. Ortaya konulan alternatifler arasında maliyet analizi yapılarak en ekonomik tahkimat sistemine karar verildi.

Anahtar Kelimeler

• Şev stabilizasyonu
• Duraysızlık analizleri
• Maliyet analizi

Stability Studies on Unstable Slopes and Cost Analysis

Öz

In this study, the problems of slopes are generally mentioned and methods of controlling such problems were explained. A cut slope line belonging to the Antalya-Kemer highway was selected as an example was discussed and information was given about the deterministic analysis methods of slopes experiencing instability problem. In the light of the data, the reasons for the loss of stability of the slopes were examined. Parameters were then calculated to limit the movement of the rock masses that posed the problem and to ensure the safety of the road platform. As a result of the calculations, the stability of the slopes was provided and the different slope parameters were presented comparatively. Among the alternatives, the most economical reinforcement system was decided by cost analysis.

Anahtar Kelimeler

• Slope stabilization
• Instability analysis
• Cost analysis

Kaynakça

1. Coduto, D. P., Mollamahmutoğlu, M., & Kayabalı, K. (2006). Geoteknik mühendisliği: ilkeler ve uygulamalar. Gazi Kitabevi.
2. Cheng Y.M., Lansivaara, T., Wei, W.B. (2007). Two-dimensional slope stability analysis by limit equilibrium and strength reduction methods. Computers and Geotechnics 34 (2007) 137–150.
3. Geotechnical Engineering Office. (2000). Highway Slope Manual. Civil Engineering Department The Government of the Hong Kong, Special Administrative Region. Hong Kong.
4. Harabinova, S. (2017). Assessment of Slope Stability on the Road. Procedia Engineering. 190: 390-397.
5. Harp, E. L., & Noble, M. A. (1993). An engineering rock classification to evaluate seismic rock-fall susceptibility and its application to the Wasatch Front. Environmental and Engineering Geoscience, 30(3), 293-319.
6. Hoek, E, & Bray, J. W,. (1977). Rock Slope Engineering. Institute of Mining and Metallurgy, London, 402 p.
7. Hoek, E. (2007). Rock engineering, available online at: http://www. rocscience. com.
8. Karayolları Genel Müdürlüğü (KGM). (1985). Şev Projelendirme Rehberi. Bayındırlık ve İskan Bakanlığı. Ankara.

9. Karayolları Genel Müdürlüğü. (2013). Karayolu Teknik Şartnamesi. Ankara.
10. Komadja G.C., Pradhan S.P., Roul, A.R., Adebayo, B., Habinshuti, J.B. Glodji, L.A., Onwualu, A.K. (2020). Assessment of stability of a Himalayan road cut slope with varying degrees of weathering: A finite-element-model-based approach. Heliyon, 6, e05297.
11. Matsui T., San, K-C. (1992). Finite element slope stability analysis by shear strength reduction technique. Soils and Foundations. Japanese Society of Soil Mechanics and Foundation Engineering. 32(1), 59-70.
12. Önalp, A., & Arel, E. (2004). Geoteknik Bilgisi II, Yamaç ve Şevlerin Mühendisliği. Birsen Yayınevi Ltd. Şti., İstanbul.
13. Pan, Y., Wu, G., Zhao, Z., He, L. (2020). Analysis of rock slope stability under rainfall conditions considering the water-induced weakening of rock. Computers and Geotechnics. 128, 103806, Article in press. https://doi.org/10.1016/j.compgeo.2020.103806.
14. Su, Z., Shao, L. (2021). A three-dimensional slope stability analysis method based on finite element method stress analysis. Engineering Geology. 280 (2021). 105910. Article in press. https://doi.org/10.1016/j.enggeo.2020.105910
15. Taştemür,F. (2019). Duraysız şevlerde yapılan stabilite çalışmaları ve maliyet analizi. Süleyman Demirel Üniversitesi, Fen Bilimleri Enstitüsü, Yüksek Lisans Tezi, Isparta. https://www.rocscience.com/software/swedge. Erişim 13.08.2020.