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Bearing capacity of the working platforms from sandy soil resting on NC and OC clays was analyzed using LimitState GEO program. Different failure modes are considered using distinct layout optimization (DLO) method, which forms the upper bound solution of limit state analysis. Different mechanisms of failure were observed as a function of the platform thickness, angle of internal friction of the platform material and undrained shear strength of the subgrade. The distribution of undrained shear strength with depth was also taken into consideration. The typical failure modes were presented. The calculated bearing capacity was compared to analytical solutions and recommendations of BRE. Special attention was paid to the platform resting on soft clay with undrained shear strength lower than 20 kPa, as this case is not covered by these recommendations. The solution obtained with DLO method was compared to bearing capacity calculation using Plaxis and ϕ, c reduction method. Additionally some analysis was performed for a real platform of sandy soil on soft organic clay. Here, the strength and deformation parameters of the platform material and the subgrade were determined with a dilatometer test (DMT). This kind of approach permits to determine both strength and deformation parameters of the platform material and soft subgrade in one test.
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- Kategoria:
- Aktywność konferencyjna
- Typ:
- materiały konferencyjne indeksowane w Web of Science
- Tytuł wydania:
- 5th International Symposium on Geotechnical Safety and Risk (ISGSR) strony 473 - 478
- Język:
- angielski
- Rok wydania:
- 2015
- Opis bibliograficzny:
- Bałachowski L., Białek-Platova K..: Bearing capacity of working platform using distinct layout optimization method, W: 5th International Symposium on Geotechnical Safety and Risk (ISGSR), 2015, IOS Press BV,.
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3233/978-1-61499-580-7-473
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 125 razy