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DONATILI ŞEV YAKININA OTURAN ŞERİT TEMEL DAVRANIŞININ SAYISAL İNCELEMESİ

Yıl 2020, Cilt: 8 Sayı: 4, 1170 - 1179, 25.12.2020
https://doi.org/10.21923/jesd.777886

Öz

Bu çalışmada, şev yakınına oturan şerit temeller ile ilgili taşıma gücü ve stabilite analizleri yapılmıştır. Örnek deneysel model doğrultusunda, şevli kum zemin yüzeyine yerleştirilen B=0.07m genişliğinde bir şerit temel, şev tepesinden farklı mesafe oranlarında düşey yüke maruz bırakılmıştır. Analizlerde donatı kullanımının da taşıma gücüne ve güvenlik katsayısına olan etkileri incelenmiştir. Sayısal analizler, sonlu eleman yöntemine dayalı PLAXIS 3D bilgisayar programı kullanılarak yapılmıştır. Taşıma gücünün belirlenmesi amacıyla yapılan sayısal analizlerden elde edilen sonuçlar, literatürde yer alan deneylerle karşılaştırılmış ve üç boyutlu sayısal analizin taşıma gücünü tahminindeki başarısı araştırılmıştır. Temelin şev tepesinden uzaklığının ve donatı kullanımının güvenlik katsayısına olan etkisi ise parametrik olarak çalışılmıştır. Deney ve sayısal analizden elde edilen taşıma gücü sonuçlarının oldukça uyumlu olduğu görülmüş ve sonrasında yapılan parametrik çalışmada, temelin şev tepesine olan uzaklığının artması ve donatı kullanılması ile güvenlik katsayısının arttığı belirlenmiştir.

Kaynakça

  • Balla, A., 1962. Bearing Capacity of Foundations. Journal of the Soil Mechanics and Foundations, 88(5), 13-34.
  • Bathurst, R.J., Blatz, J.A., Burger, M.H., 2003. Performance of Instrumented Large-Scale Unreinforced and Reinforced Embankments Loaded by a Strip Footing to Failure. Canadian Geotechnical Journal, 40(6), 1067-1083.
  • Blatz, J.A., Bathurst, R.J., 2003. Limit Equilibrium Analysis of Large-Scale Reinforced and Unreinforced Embankments Loaded by a Strip Footing. Canadian Geotechnical Journal, 40(6), 1084-1092.
  • Brinch Hansen, J., 1970. A Revised and Extended Formula for Bearing Capacity”, The Danish Geotechnical Institute, 28, 5-11.
  • Coduto, D.P., 2001. Foundation Design: Principles and Practices. Prentice Hall, New Jersey.
  • Das, B.M., 2011. Principles of Foundation Engineering. Cengage Learning, Connecticut.
  • Emirler, B., Tolun, M., Yıldız, A., 2019. Eğik Çekme Yükü Etkisindeki Tekil Kazığın Üç Boyutlu Sayısal Analizi. Çukurova Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, 34(2), 219-229.
  • Faizi, K., Armaghani, D.J., Kassim, A., Lonbani, M., 2013. Evaluation of Geotextiles on Embankment Displacement under Seismic Load. The Electronic Journal of Geotechnical Engineering, 18(C), 439-449.
  • Gemperline, M.C., 1988. Centrifugal Modeling of Shallow Foundations. ASCE Spring Convention, Nashville, 45-70.
  • Graham, J., Andrews, M., Shields, D.H., 1988. Stress Characteristics for Shallow Footings in Cohesionless Slopes. Canadian Geotechnical Journal, 25(2), 238-249.
  • Huang, C.C., Tatsuoka, F., 1994. Stability Analysis for Footings on Reinforced Sand Slopes. Soils and Foundations, 34(3), 21-37.
  • Huang, C.C., Tatsuoka, F., Sato, Y., 1994. Failure Mechanisms of Reinforced Sand Slopes Loaded with a Footing. Soils and Foundations, 34(2), 27-40.
  • Keskin, M.S., 2009. Güçlendirilmiş Kumlu Şevlere Oturan Yüzeysel Temellerin Deneysel ve Teorik Analizi. Doktora Tezi, Çukurova Üniversitesi, Fen Bilimleri Enstitüsü.
  • Keskin, M.S., Akgül, F., 2020. Şev Yakınına Oturan Yüzeysel Temellerin Taşıma Kapasitesinin Sayısal Analizi. DÜMF Mühendislik Dergisi, 11(1), 363-372.
  • Keskin, M.S., Laman, M., 2014. Experimental and Numerical Studies of Strip Footings on Geogrid-Reinforced Sand Slope. Arabian Journal for Science and Engineering, 39(3), 1607-1619.
  • Keskin, M.S., Laman, M., Aslan, F., 2007. Kumlu Şevlere Oturan Şerit Temellerin Analizi. Yapı Zemin, 159-164.
  • Lee, K.M., Manjunath, V.R., 2000. Experimental and Numerical Studies of Geosynthetic-Reinforced Sand Slopes Loaded with a Footing. Canadian Geotechnical Journal, 37(4), 828-842.
  • Meyerhof, G.G., 1951. The Ultimate Bearing Capacity of Foundations. Géotechnique, 2(4), 301-332.
  • Meyerhof, G.G., 1957. The Ultimate Bearing Capacity of Foundations on Slopes. 4th International Conference on Soil Mechanics and Foundation Engineering, London, 384-386.
  • Pınarlık, M., Öztürk Kardoğan, P.S., Kılıç Demircan, R., 2017. Şev Stabilitesine Zemin Özelliklerinin Etkisinin Limit Denge Yöntemi ile İrdelenmesi. Mühendislik Bilimleri ve Tasarım Dergisi, 5(3), 675-684.
  • PLAXIS 3D, 2019. Material Models Manual. R.B.J. Brinkgreve, L.M. Zampich, and N. Ragi Manoj, Eds., Delft.
  • Prandtl, L., 1921. Über die Eindringungsfestigkeit (Härte) plastischer Baustoffe und die Festigkeit von Schneiden. Zeitschrift für Angewandte Mathematik und Mechanik, 1(1), 15-20. (in German)
  • Saran, S., Sud, V.K., Handa, S.C., 1989. Bearing Capacity of Footings Adjacent to Slopes. Journal of Geotechnical Engineering, 115(4), 553-573.
  • Selvadurai, A.P.S., Gnanendran, C.T., 1989. An Experimental Study of a Footing Located on a Sloped Fill: Influence of a Soil Reinforcement Layer. Canadian Geotechnical Journal, 26(3), 467-473.
  • Shiau, J.S., Watson, J.F., 2008. 3D Bearing Capacity of Shallow Foundations Located near Deep Excavation Sites. International Conference on Deep Excavations (ICDE 2008), Singapore, 1-8.
  • Shields, D., Chandler, N., Garnier, J., 1990. Bearing Capacity of Foundations in Slopes. Journal of Geotechnical Engineering, 116(3), 528-537.
  • Terzaghi, K., 1943. Theoretical Soil Mechanics. John Wiley & Sons, New York.
  • Vesic, A.S., 1975. Bearing Capacity of Shallow Foundations. Foundation Engineering Handbook. H.F. Winterkorn and H.Y. Fang, Eds., Van Nostrand Reinhold, New York, 121-147.
  • Yoo, C., 2001. Laboratory Investigation of Bearing Capacity Behavior of Strip Footing on Geogrid-Reinforced Sand Slope. Geotextiles and Geomembranes, 19(5), 279-298.

NUMERICAL INVESTIGATION OF THE BEHAVIOUR OF STRIP FOOTING CONSTRUCTED NEAR REINFORCED SLOPE

Yıl 2020, Cilt: 8 Sayı: 4, 1170 - 1179, 25.12.2020
https://doi.org/10.21923/jesd.777886

Öz

In this study, bearing capacity and stability analyses were performed about the strip footings constructed near the slope. According to the example of experimental model presented, a strip footing in the width of B=0.07m placed on the slope which consists of sandy soil was subjected to an axial load at different distances from the slope top. In the analysis, the effects of the use of reinforcement on bearing capacity and safety factor were also examined. PLAXIS 3D software based on the finite element method was employed for numerical analyses. The results obtained from the numerical analysis conducted to determine the bearing capacity were compared with the experiments in the literature, and the success of the three-dimensional numerical analysis in predicting the bearing capacity was investigated. The effect of the distance of the footing from the top of the slope and the use of reinforcement on the safety factor were studied, parametrically. It is observed that the finite element results provide a highly fit with the experimental data obtained from the literature and in the parametric study performed afterwards, it is determined that the safety factor increases with the increase of the distance ratio of the footing to the top of the slope and with using reinforcement.

Kaynakça

  • Balla, A., 1962. Bearing Capacity of Foundations. Journal of the Soil Mechanics and Foundations, 88(5), 13-34.
  • Bathurst, R.J., Blatz, J.A., Burger, M.H., 2003. Performance of Instrumented Large-Scale Unreinforced and Reinforced Embankments Loaded by a Strip Footing to Failure. Canadian Geotechnical Journal, 40(6), 1067-1083.
  • Blatz, J.A., Bathurst, R.J., 2003. Limit Equilibrium Analysis of Large-Scale Reinforced and Unreinforced Embankments Loaded by a Strip Footing. Canadian Geotechnical Journal, 40(6), 1084-1092.
  • Brinch Hansen, J., 1970. A Revised and Extended Formula for Bearing Capacity”, The Danish Geotechnical Institute, 28, 5-11.
  • Coduto, D.P., 2001. Foundation Design: Principles and Practices. Prentice Hall, New Jersey.
  • Das, B.M., 2011. Principles of Foundation Engineering. Cengage Learning, Connecticut.
  • Emirler, B., Tolun, M., Yıldız, A., 2019. Eğik Çekme Yükü Etkisindeki Tekil Kazığın Üç Boyutlu Sayısal Analizi. Çukurova Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, 34(2), 219-229.
  • Faizi, K., Armaghani, D.J., Kassim, A., Lonbani, M., 2013. Evaluation of Geotextiles on Embankment Displacement under Seismic Load. The Electronic Journal of Geotechnical Engineering, 18(C), 439-449.
  • Gemperline, M.C., 1988. Centrifugal Modeling of Shallow Foundations. ASCE Spring Convention, Nashville, 45-70.
  • Graham, J., Andrews, M., Shields, D.H., 1988. Stress Characteristics for Shallow Footings in Cohesionless Slopes. Canadian Geotechnical Journal, 25(2), 238-249.
  • Huang, C.C., Tatsuoka, F., 1994. Stability Analysis for Footings on Reinforced Sand Slopes. Soils and Foundations, 34(3), 21-37.
  • Huang, C.C., Tatsuoka, F., Sato, Y., 1994. Failure Mechanisms of Reinforced Sand Slopes Loaded with a Footing. Soils and Foundations, 34(2), 27-40.
  • Keskin, M.S., 2009. Güçlendirilmiş Kumlu Şevlere Oturan Yüzeysel Temellerin Deneysel ve Teorik Analizi. Doktora Tezi, Çukurova Üniversitesi, Fen Bilimleri Enstitüsü.
  • Keskin, M.S., Akgül, F., 2020. Şev Yakınına Oturan Yüzeysel Temellerin Taşıma Kapasitesinin Sayısal Analizi. DÜMF Mühendislik Dergisi, 11(1), 363-372.
  • Keskin, M.S., Laman, M., 2014. Experimental and Numerical Studies of Strip Footings on Geogrid-Reinforced Sand Slope. Arabian Journal for Science and Engineering, 39(3), 1607-1619.
  • Keskin, M.S., Laman, M., Aslan, F., 2007. Kumlu Şevlere Oturan Şerit Temellerin Analizi. Yapı Zemin, 159-164.
  • Lee, K.M., Manjunath, V.R., 2000. Experimental and Numerical Studies of Geosynthetic-Reinforced Sand Slopes Loaded with a Footing. Canadian Geotechnical Journal, 37(4), 828-842.
  • Meyerhof, G.G., 1951. The Ultimate Bearing Capacity of Foundations. Géotechnique, 2(4), 301-332.
  • Meyerhof, G.G., 1957. The Ultimate Bearing Capacity of Foundations on Slopes. 4th International Conference on Soil Mechanics and Foundation Engineering, London, 384-386.
  • Pınarlık, M., Öztürk Kardoğan, P.S., Kılıç Demircan, R., 2017. Şev Stabilitesine Zemin Özelliklerinin Etkisinin Limit Denge Yöntemi ile İrdelenmesi. Mühendislik Bilimleri ve Tasarım Dergisi, 5(3), 675-684.
  • PLAXIS 3D, 2019. Material Models Manual. R.B.J. Brinkgreve, L.M. Zampich, and N. Ragi Manoj, Eds., Delft.
  • Prandtl, L., 1921. Über die Eindringungsfestigkeit (Härte) plastischer Baustoffe und die Festigkeit von Schneiden. Zeitschrift für Angewandte Mathematik und Mechanik, 1(1), 15-20. (in German)
  • Saran, S., Sud, V.K., Handa, S.C., 1989. Bearing Capacity of Footings Adjacent to Slopes. Journal of Geotechnical Engineering, 115(4), 553-573.
  • Selvadurai, A.P.S., Gnanendran, C.T., 1989. An Experimental Study of a Footing Located on a Sloped Fill: Influence of a Soil Reinforcement Layer. Canadian Geotechnical Journal, 26(3), 467-473.
  • Shiau, J.S., Watson, J.F., 2008. 3D Bearing Capacity of Shallow Foundations Located near Deep Excavation Sites. International Conference on Deep Excavations (ICDE 2008), Singapore, 1-8.
  • Shields, D., Chandler, N., Garnier, J., 1990. Bearing Capacity of Foundations in Slopes. Journal of Geotechnical Engineering, 116(3), 528-537.
  • Terzaghi, K., 1943. Theoretical Soil Mechanics. John Wiley & Sons, New York.
  • Vesic, A.S., 1975. Bearing Capacity of Shallow Foundations. Foundation Engineering Handbook. H.F. Winterkorn and H.Y. Fang, Eds., Van Nostrand Reinhold, New York, 121-147.
  • Yoo, C., 2001. Laboratory Investigation of Bearing Capacity Behavior of Strip Footing on Geogrid-Reinforced Sand Slope. Geotextiles and Geomembranes, 19(5), 279-298.
Toplam 29 adet kaynakça vardır.

Ayrıntılar

Birincil Dil Türkçe
Konular İnşaat Mühendisliği
Bölüm Araştırma Makaleleri \ Research Articles
Yazarlar

Buse Emirler 0000-0002-0234-7177

Yayımlanma Tarihi 25 Aralık 2020
Gönderilme Tarihi 7 Ağustos 2020
Kabul Tarihi 31 Ekim 2020
Yayımlandığı Sayı Yıl 2020 Cilt: 8 Sayı: 4

Kaynak Göster

APA Emirler, B. (2020). DONATILI ŞEV YAKININA OTURAN ŞERİT TEMEL DAVRANIŞININ SAYISAL İNCELEMESİ. Mühendislik Bilimleri Ve Tasarım Dergisi, 8(4), 1170-1179. https://doi.org/10.21923/jesd.777886