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Strength parameters of deltaic soils determined with CPTU, DMT and FVT

Abstrakt

This paper presents the results of soil investigation in soft, normally consolidated organic soil in the estuary of Vistula river. The analysis concerns clayey mud and peat layers interbedded with loose to medium-dense sands. Several Cone Penetration Tests with pore water measurement (CPTU), Dilatometer Tests (DMT) and Field Vane Tests (FVT) were performed on the testing site. The cone factor Nkt was estimated using the results of FVT and peak values of undrained shear strength. The proposition of Nkt change due to normalized Friction ratio (Fr ) has been given. The possible value of cone factor NΔu for organic soils was also suggested. The undrained shear strength of Jazowa clayey mud and peat have been compared with DMT estimates proposed by various researchers. Finally, the structural soil sensitivity of Jazowa deltaic soils was determined on the basis of residual shear strength obtained from FVT and the measurements of sleeve friction.

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pobrano 226 razy
Wersja publikacji
Accepted albo Published Version
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Creative Commons: CC-BY-NC-ND otwiera się w nowej karcie

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Kategoria:
Aktywność konferencyjna
Typ:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Tytuł wydania:
Cone Penetration Testing 2018: Proceedings of the 4th International Symposium on Cone Penetration Testing (CPT'18) strony 117 - 121
Język:
angielski
Rok wydania:
2018
Opis bibliograficzny:
Bałachowski L., Międlarz K., Konkol J.: Strength parameters of deltaic soils determined with CPTU, DMT and FVT// Cone Penetration Testing 2018: Proceedings of the 4th International Symposium on Cone Penetration Testing (CPT'18)/ ed. Michael A. Hicks, Federico Pisanò, Joek Peuchen : , 2018, s.117-121
Bibliografia: test
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  3. Landva, A.O. & La Rochelle, P. 1983. Compressibility and shear strength characteristics of Radforth Peats. Testing of Peats and Organic Soils. ASTM STP 820, P.M. Jarrett (ed.): 157-191. otwiera się w nowej karcie
  4. Lechowicz, Z. 1997. Undrained shear strength of organic soils from dilatometer test. Annals of Warsaw Agri- culture University-SGGW. Land Reclamation 28: 85-96.
  5. Long, M. 2005. Review of peat strength, peat characteri- sation and constitutive modeling of peat with refer- ence to landslides. Studia Geotechnica et Mechanica, Vol. XXVII, No. 3-4: 67-90. otwiera się w nowej karcie
  6. Lunne, T., Powell, J.J.M. & Robertson, P.K. 1997. Cone Penetration Testing in Geotechnical Practice. otwiera się w nowej karcie
  7. Mesri, G. & Ajlouni, M. 2007. Engineering Properties of Fibrous Peats. Journal of Geotechnical and Geoenvi- ronmental Engineering, 133(7): 850-866. otwiera się w nowej karcie
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  9. Rabarijoely, S. 2008. The use of dilatometer for the determination of undrained shear strength in organic soils. Annals of Warsaw University of Life Sciences- SGGW. Land Reclamation No 40,2008: 97-105. otwiera się w nowej karcie
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  12. Zawrzykraj, P., Rydelek, P. & Bąkowska, A., 2017. Geo-engineering properties of Eemian peats from Radzymin (central Poland) in the light of static cone penetration and dilatometer tests. Engineering Geol- ogy 226 (2017): 290-300. otwiera się w nowej karcie
Źródła finansowania:
Weryfikacja:
Politechnika Gdańska

wyświetlono 132 razy

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