Experimental study of the effect of vertical acceleration component on the slope stability - Publikacja - MOST Wiedzy

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Experimental study of the effect of vertical acceleration component on the slope stability

Abstrakt

The paper deals with the stability of earth dams subjected to seismic and paraseismic excitations occurring in the close distance to the dam. The Newmark’s stability approach, classified as a simplified dynamic method, has been extended for two directional dynamic loading case and the evolution of the friction coefficient. The paper is focused on the experimental verification of the proposed method for harmonic and cyclic excitations generated by a simple oscillating device as well as by one-directional shaking table. Main assumptions of the proposed method have been proved and the effect of the vertical acceleration on the stability of the dam has been demonstrated. In the experiments conducted under cyclic loading, the impact of the vertical acceleration on the permanent displacement of the block was equal to 57 %. However, in general, the exact magnitude of this impact depends on many factors, such as the vertical to horizontal peak ground acceleration ratio or frequency range of the vertical component of the earthquake.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
publikacja w in. zagranicznym czasopiśmie naukowym (tylko język obcy)
Opublikowano w:
Journal of Measurements in Engineering nr 6, wydanie 4, strony 240 - 249,
ISSN: 2335-2124
Język:
angielski
Rok wydania:
2018
Opis bibliograficzny:
Korzec A., Jankowski R.. Experimental study of the effect of vertical acceleration component on the slope stability. Journal of Measurements in Engineering, 2018, Vol. 6, iss. 4, s.240-249
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.21595/jme.2018.20420
Weryfikacja:
Politechnika Gdańska

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