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Kianpour, Majid, Bagherzadeh Khalkhali, Ahad, Dabiri, Rouzbeh, Mahdavi Adeli, Mehdi. (1402). Experimental Study on the Effect of Eccentric Loads on the Bearing Capacity of Strip Footing Located on the Inclined Multi-Layer Soil Mass with a Weak Soil Layer. نشریه مهندسی عمران امیرکبیر, 55(2), 343-358. doi: 10.22060/miscj.2024.22912.5349
Majid Kianpour; Ahad Bagherzadeh Khalkhali; Rouzbeh Dabiri; Mehdi Mahdavi Adeli. "Experimental Study on the Effect of Eccentric Loads on the Bearing Capacity of Strip Footing Located on the Inclined Multi-Layer Soil Mass with a Weak Soil Layer". نشریه مهندسی عمران امیرکبیر, 55, 2, 1402, 343-358. doi: 10.22060/miscj.2024.22912.5349
Kianpour, Majid, Bagherzadeh Khalkhali, Ahad, Dabiri, Rouzbeh, Mahdavi Adeli, Mehdi. (1402). 'Experimental Study on the Effect of Eccentric Loads on the Bearing Capacity of Strip Footing Located on the Inclined Multi-Layer Soil Mass with a Weak Soil Layer', نشریه مهندسی عمران امیرکبیر, 55(2), pp. 343-358. doi: 10.22060/miscj.2024.22912.5349
Kianpour, Majid, Bagherzadeh Khalkhali, Ahad, Dabiri, Rouzbeh, Mahdavi Adeli, Mehdi. Experimental Study on the Effect of Eccentric Loads on the Bearing Capacity of Strip Footing Located on the Inclined Multi-Layer Soil Mass with a Weak Soil Layer. نشریه مهندسی عمران امیرکبیر, 1402; 55(2): 343-358. doi: 10.22060/miscj.2024.22912.5349

Experimental Study on the Effect of Eccentric Loads on the Bearing Capacity of Strip Footing Located on the Inclined Multi-Layer Soil Mass with a Weak Soil Layer

AUT Journal of Modeling and Simulation
دوره 55، شماره 2، اسفند 2023، صفحه 343-358    اصل مقاله (1.45 M)
نوع مقاله: Research Article
شناسه دیجیتال (DOI): 10.22060/miscj.2024.22912.5349
نویسندگان
Majid Kianpour1؛ Ahad Bagherzadeh Khalkhali* 1؛ Rouzbeh Dabiri2؛ Mehdi Mahdavi Adeli3
1Faculty of Civil Engineering, Architecture and Art, Science and Research Branch, Islamic Azad University, Tehran, Iran
2Department of Civil Engineering, Tabriz Branch, Islamic Azad University, Tabriz, Iran
3Department of Civil Engineering, Shoushtar Branch, Islamic Azad University, Shoushtar, Iran
چکیده
Engineers often face challenges when designing foundations that are located over and near the slopes. By using a new small-scale laboratory model, the Effect of eccentric loading on the bearing capacity of a strip footing located on the inclined multi-layer soil mass with a weak soil layer was investigated as multi-effects. Thin layers have substantial effects on the ultimate bearing capacity, despite they seem to be insignificant. A series of laboratory model tests were performed on a rigid strip footing resting on surfaces with different layered slope foundations. The experimental program considered different foundation configurations by varying the footing distance from the slope’s top and the inclination of the thin layer. It is found that the weak thin layer decreases the ultimate bearing capacity specifically. The laboratory results indicate that the value of eccentricity affects the final bearing capacity and increases this capacity by moving away from the weak layer and the slope. Also, The weak thin layer at the critical distance led to more reduction in the ultimate bearing capacity by 43%. The results were compared with analytical methods and the differences were 2 to 9.5%. Also, the numerical simulation of the physical data shows that the results can be developed into large-scale models as a prediction. 
کلیدواژه‌ها
Eccentricity؛ Inclined Multi-Layer Soil؛ Physical model Weak thin layer؛ Ultimate bearing capacity؛ Numerical simulation
مراجع
  1. Al-Bittar, T. and Soubra, A.H. (2014) “probabilistic analysis of strip footings resting on spatially varying soils and subjected to vertical or inclined loads”, Journal of Geotechnical and Geoenvironmental Engineering, 140(4). https://doi.org/10.1061/(ASCE)GT.1943-5606.0001046.
  2. Alejandro Carvajal-Cardenas, D., Lozada, C.(2023) “Physical modeling of desiccated slopes in fine soil using a geotechnical centrifuge”, International J. Geotechnical Engineering, Vol. 17, Issue 1, https://doi.org/10.1080/19386362.2023.2165893.
  3. Askari, M., Bagherzadeh khalkhali, A., Makarchian, M. and Ganjian, N. (2022) “Evaluation of the Thin Layer Effect on the Ultimate Bearing Capacity of Strip Foundation on Sand”, Amirkabir J. Civil Engineering, 54(7), 543-546, DOI: 10.22060/ceej.2022.20657.7490.
  4. Bildik, S. and Laman, M. (2015) “Experimental Investigation of the effects of pipe location on the bearing capacity”, Geomechanics and Engineering. https://doi.org/10.12989/gae.2015.8.2.221.
  5. Bolton M.D. and Lau C.K. (1989) “Scale effects in the bearing capacity of granular soils”, Proceedings of the 12th International Conference on Soil Mechanics and Foundation Engineering, Rio de Janeiro, Brazil, 2, 895–898.
  6. Brocklehurst, C.J. (1993) “Finite element studies of reinforced and unreinforced two-layer soil systems”, Ph.D. thesis, University of Oxford.
  7. Brown, J.D. and Meyerhof, G.G. (1969) “Experimental study of bearing capacity in layered clays”, 7th international Conference on Soil Mechanics and Foundation Engineering, Mexico.
  8. Burd, H.J. and Frydman, S. (1996) “Bearing Capacity of Plane-strain Footings on Layered Soils” Canadian Geotechnical Journal, 34, 241–253. https://doi.org/1139/cgj-34-2-241.
  9. Button, S.J. (1953) “The bearing capacity of footings on two-layer cohesive subsoil”, 3rd Int. Conf. SMFE, 1, 332-335, Zurich.
  10. Cerato, A.B. and Lutenegger, A.J. (2004) “Determining intrinsic compressibility of fine-grained soils”, ASCE Journal of Geotechnical and Geoenvironmental Engineering, 130, No. 8, 872-877. https://doi.org/10.1061/(ASCE)1090-0241(2004)130:8(872).
  11. Salimi Eshkevari, S.N., Abbo, A.J. and Kouretzis, G. (2019) “Bearing Capacity of Strip Footings on Layered Sands”, Computers and Geotechnics, 114, 103101. https://doi.org/10.1016/j.compgeo.2019.103101.
  12. Farzaneh, O., Ganjian, N. and Askari, F. (2010) “Rotation-translation mechanisms for upper-bound solution of bearing capacityproblems”, Computers and Geotechnics. https://doi.org/10.1016/j.compgeo.2010.01.004.
  13. Frydman, S. and Burd, H.J. (1997) “Numerical studies of bearing-capacity factor Ng”, Journal of Geotechnical and Geoenvironmental Engineering”, 123, Issue 1. https://doi.org/10.1061/(ASCE)1090-0241(1997)123:1(20).
  14. Hanna, A.M. and Meyerhof, G.G. (1980) “Design charts for ultimate bearing capacity of foundations on sand overlying clay”, Canadian Geotech. Journal, 17, 300-303. https://doi.org/1139/t80-030.
  15. Hanna, A., Abou Farah, C. and Abdel-Rahman, M. (2020) “Shallow foundations resting on strong sand overlying weak sand”, Journal of Engineering and Applied Science, 67, No. 6, 1399-1414. https://doi.org/10.1061/AJGEB6.0001169.
  16. Hansen, J.B. (1970) “A revised and extended formula for bearing capacity”, Danish Geotechnical Institute, Bull No 28, 5-11.
  17. Halder, K. and Chakraborty, D. (2020) “Influence of soil spatial variability on the response of strip footing on geocell-reinforced slope”, Computers and Geotechnics, 122. https://doi.org/10.1016/j.compgeo.2020.103533.
  18. Hosseni Fani, M., Bagherzadeh khalkhali, A. and Ganjian, N. (2024) “Experimental and Numerical Investigation of Strip Footing Behavior on Sand with a Weak Layer of Varying Thicknesses and Overburden Loads”, Iranian Journal of Science and Technology, Transactions of Civil Engineering, https://doi.org/10.1007/s40996-024-01417-6.
  19. Johari, R., Koomen, P., Pekelis, L. and Walsh, D. (2017) “Peeking at a/b tests:why it matters, and what to do about it”, Proceedings of the 23rd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 1517-1525. https://doi.org/10.1145/3097983.3097992.
  20. Keawsawasvong, S., Thongchom, C. and Likitlersuang, S. (2021) “Bearing capacity of strip footing on Hoek-Brown rock mass subjected to eccentric and inclined loading”, Transp Infrastruct. Geotechnol, 8, 189-200. https://doi.org/10.1007/s40515-020-00133-8.
  21. Kenny, M.j. and Andrawes, K.Z. (1996) “The bearing capacity of footings on a sand layer overlying soft clay”, Geotechnique, 47 (2), 339-345. https://doi.org/10.1680/geot.1997.47.2.339.
  22. Keskin, M.S. and Laman, M. (2013) “Model studies of bearing capacity of strip footing on sand slope”, KSCE Journal of Civil Engineering, 17, 699-711. https://doi.org/1007/s12205-013-0406-x.
  23. Kraft, L.M. and Helfrich, J.S.C. (1983) “Bearing capacity of shallow footing, sand over clay”, Canadian Geotechical journal.
  24. Krishnan, K. and Chakraborty, D. (2021) “Seismic bearing capacity of strip footing over spatially random soil using modified pseudo-dynamic approach”, Geotech., 136, 1–33. https://doi.org/10.1016/j.compgeo.2021.104219.
  25. Liu, X., Wang, Y. and Li, D.-Q. (2019) “Investigation of slope failure mode evolution during large deformation in spatially variable soils by random limit equilibrium and material point methods”, Geotech., 111, 301–312. https://doi.org/10.1016/j.compgeo.2019.03.022.
  26. Madhav, M.R. and Sharma, J.S.N. (1991) “Bearing capacity of clay overlain by stiff soil”, Journal of Geotechnical Engineering, ASCE, 117(12), 1941-1948. https://doi.org/10.1061/(ASCE)0733-9410(1991)117:12(1941).
  27. Mandel, J. and Salencon, J. (1972) “Force portante d'un sol sur une assise rigide (e'tude théorique)”, Geotechnique, 22(1), 79–93. https://doi.org/1680/geot.1972.22.1.79.
  28. Masayuki, H. Yang, W., Shintaro, K., Yukio, N. and Norimasa, Y. (2017) “Effect of fines on the compression behaviour of poorly graded silica sand”, Geomechanics and Engineering, 12(1), 127-138. https://doi.org/10.12989/gae.2017.12.1.127.
  29. Massih, DSYA, Soubra, A.H. and Mao, N. (2010) “Reliability-based analysis of strip footings subjected to an inclined or an eccentric loading”, GeoFlorida, Advances in Analysis, Modeling & Design, 2133-2142. https://doi.org/1061/41095(365)216.
  30. Meyerhof, G.G. (1963) “Some Recent Research on the bearing capacity of foundations”, Canadian Geotechnical Journal, 1(1), 16–26. https://doi.org/10.2208/jscej.1988.394_1.
  31. Meyerhof, G.G. (1974) “Ultimate bearing capacity of footings on sand layer overlying clay”, Canadian Geotechnical Journal, 11, 223–229. https://doi.org/1139/t74-018.
  32. Meyerhof, G.G. and Hanna, A.M. (1978) “Ultimate bearing capacity of foundations on layered soils under inclined load”, Canadian Geotechnical Journal, 15 (4), 565–572. https://doi.org/1139/t78-060.
  33. Michalowski, R.L. (1996) “Stability of uniformly reinforced slopes”, Journal of Geotechnical and Geoenvironmental Engineering, 123(6). https://doi.org/10.1061/(ASCE)1090-0241(1997)123:6(546).
  34. Michalowski, R.L. and Shi, L. (1995) “Bearing capacity of footings over two-layer foundation soils”, Journal of Geotechnical Engineering, 421-428. https://doi.org/10.1061/(ASCE)0733-9410(1995)121:5(421).
  35. Michalowski, R.L. and Shi, L. (1996) “Closure to “Bearing capacity of footings over two-layer foundation soils””, Journal of Geotechnical Engineering. https://doi.org/10.1061/(ASCE)0733-9410(1996)122:8(701).
  36. Michalowski, R.L. and You, L. (1998) “Effective width rule in calculations of bearing capacity of shallow footings”, Computers and Geotechnics. https://doi.org/10.1016/S0266-352X(98)00024-X.
  37. Oda, M. and Win, S. (1990) “Ultimate bearing capacity tests on sand with clay layer”, Journal of Geotechnical Engineering, 116(12), 1902-1906. https://doi.org/10.1061/(ASCE)0733-9410(1990)116:12(1902).
  38. Okamura, M., Takemura, J. and Kimura, T. (1997) “Centrifuge model tests on bearing capacity and deformation of sand layer overlying clay”, Soils Found., 37(1), 73–88. https://doi.org/10.3208/sandf.37.73.
  39. Paolucci, R. and Pecker, A. (1997) “Seismic bearin capacity of shallow strip foundations on dry soils”, Soils and Foundations. https://doi.org/10.3208/sandf.37.3_95.
  40. Pfeifle, T.W. and Das, B.M. (1979) “Model tests for bearing capacity in sand”, ASCE Journal of Geotechnical Engineering Division, 105, 1112-1116. https://doi.org/10.1061/AJGEB6.0000858.
  41. Purushothamaraj, P., Ramiah, B.K. and Rao, K.N.V. (1978) “Bearing capacity of strip footings in two layered cohesive-friction soils.” Canadian Geotechnical Journal, 11, 32–45. https://doi.org/1139/t74-003.
  42. Siraj-Eldine, K. and Bottero, A. (1987) “Étude expérimentale de la capacité portante d'une couche de sol pulverulent d'épaisseur limitée”, Canadian Geotechnical Journal.
  43. Sloan, S.W. and Randolph, M.F. (1982) “Numerical prediction of collapse loads using finite element methods”, J. Numer. Anal. Methods Geomech., 6, 47-76. https://doi.org/10.1002/nag.1610060105.
  44. Soubra, A.H. and Massih, DSYA (2010) “Probabilistic analysis and design at the ultimate limit state of obliquely loaded strip footings, Geotechnique, 60(4), 275-285. https://doi.org/10.1680/geot.7.00031.
  45. Tani, K., Craig, W.H. (1995) “Bearing capacity of circular foundation on soft clay of strength increasing with depth”, Soils Found., 35 (4), 21–35. https://doi.org/10.3208/sandf.35.4_21.
  46. Taylor, R.N. (1995) “Centrifuges in modelling: principles and scale effects”, Geotechnical Centrifuge Technology (Taylor R. N. (ed.)), Blackie Academic and Professional, London, UK, 19–33. https://doi.org/1201/9781482269321-2.
  47. Terzaghi, K. (1929) “Effects of minor geologic details on the safety of dams”, Geology and Engineering for Dams and Reservoirs, American Institute of Mining and Metallurgical Engineers, Technical Publication 215, 31–44.
  48. Tournier, J.P. and Milović, M. (1977) “Etude experimentale de la capacite portante d’une couche compressible d’epaisseur limitee”, Géotechnique 27 (2), 111–123. https://doi.org/10.1680/geot.1977.27.2.111.
  49. Toyosawa, Y., Itoh K., Kikkawa, N., Yang, J.J. and Liu, F. (2013) “Influence of model footing diameter embedded depth on particle size effect in centrifugal bearing capacity test”, Soils and Foundations, 53(2), 349–356. https://doi.org/10.1016/j.sandf.2012.11.027.
  50. Turker, E., Sadoglu, E., Cure, E. and Uzuner, B. A. (2014) “Bearing Capacity of Eccentrically Loaded Strip Footings Close to Geotextile-Reinforced Sand Slope”, Canadian Geotechnical Journal, 51, 884-895. https://doi.org/10.1007/s11204-019-09596-5.
  51. Valore, C., Ziccarelli, M. and Muscolino, S.R. (2017) “The bearing capacity of footings on sand with a weak layer”, Geotechnical Research, 4(1), 12–29. https://doi.org/10.1680/jgere.16.00020.
  52. Vesic, A.S. (1973) “Analysis of ultimate loads of shallow foundations”, ASCE Journal of the Soil Mechanics and Foundations Division, 99(SM1), 45–73. https://doi.org/10.1061/JSFEAQ.0001846.
  53. Vesic, A.S. (1975) “Bearing Capacity of Shallow Foundations”, Foundation Engineering Hand Book, edited by Hsai-Yang Fang, 144–165, Van Nostrand Reinhold Book Co., New York.
  54. Wu, Y., Zhou, X., Gao, Y. and Shu, S. (2020) “Bearing capacity of embedded shallow foundations in spatially random soils with linearly increasing mean undrained shear strength”, Geotech. 122. https://doi.org/10.1016/j.compgeo.2020.103508.
  55. Wu, G., Zhao, H. and Zhao, M. (2021a) “Undrained stability analysis of strip footings lying on circular voids with spatially random soil”, Geotech. 133. https://doi.org/10.1016/j.compgeo.2021.104072.
 

  1. Wu, G., Zhao, H., Zhao, M. and Zhu, Z. (2021b) “Stochastic analysis of dual tunnels in spatially random soil”, Geotech. 129, 103861. https://doi.org/10.1016/j.compgeo.2020.103861.
  2. Yilmaz, M.T. and Bakir, B.S. (2009) “Capacity of shallow foundations on saturated cohesionless soils under combined loading”, Canadian Geotechnical Journal. https://doi.org/1139/T09-013.
  1. Zhou, H. Z., Q. C. Hu, X. X. Yu, G. Zheng, X. N. Liu, H. J. Xu, S. C. Yang, J. Liu, and K. Tian. 2023. “Quantitative bearing capacity assess-ment of strip footings adjacent to two-layered slopes considering spatialsoil variability.” Acta Geotech. https://doi.org/10.1007/s11440-023-01875-8 .
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