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For long duration of the flood the water table can appear on the slope with a problem of out-wash in the case of sand type dike. If the dike corps is covered with less permeable layer some additional push-off forces and shearing can rise in the cover. In both cases the micro stability of the inner slope should be considered at normative high water for homogeneous sand type dike or sand type dike with less permeable covers. The analysis were performed taking into account the geometry and soil parameters from the test dike in Gdańsk. The dike is formed with ash-dredged material mixture, characterized with relatively high permeability coefficient. The outer slope (water side) of the test dike corps is covered with clay while the inner slope is covered with fly ash product – sand mixture. The stability of the dike is calculated without cover and including cover on the slope. The stability against wash-out and shearing was calculated. Additional parametric studies were undertaken including different slope inclination, effective cohesion of the mixture. Micro-stability of the dike was analysed and the overall stability of the dike was also considered using analytical, FEM and limit state approach.
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- Kategoria:
- Aktywność konferencyjna
- Typ:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Tytuł wydania:
- Proceedings of the South Baltic Conference on Dredged Materials in Dike Construction strony 105 - 110
- Język:
- angielski
- Rok wydania:
- 2014
- Opis bibliograficzny:
- Bałachowski L.: STABILITY OF THE INNER SLOPE OF THE POLISH DREDGDIKES RESEARCH DIKE AT STATIONARY FLOW// Proceedings of the South Baltic Conference on Dredged Materials in Dike Construction / ed. S. Cantre, F. Saathof Rostock: Uniwersytet w Rostoku, 2014, s.105-110
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 66 razy