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    Wyświetlanie 1-3 z 3
    Tytuł:
    Seismic Behavior of Earth Dams With Different Reservoir Water Levels Under Near-Field and Far-Field Earthquakes
    Autorzy:
    Asadi, Masoud
    Soltani, Fazlollah
    Sinvandi-Pour, Abbas
    Noroozinejad Farsangi, Ehsan
    Powiązania:
    https://bibliotekanauki.pl/articles/1838069.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    earthquakes
    seismic behaviour
    earth dam
    water levels
    finite element modelling
    trzęsienia ziemi
    badania sejsmiczne
    zapory ziemne
    poziom wody
    modelowanie elementów skończonych
    Opis:
    The height of reservoir water is one of the important factors affecting the seismic behaviour of earth dams. A large number of earth dams have been constructed in different countries that are sometimes located in a high-risk geographical zone. The studies on the seismic behaviour of earth dams have been conducted for several decades. However, this study, considering the importance of the subject, it investigates the seismic behaviour of Sumbar rock-fill embankment dam under near- and far-field earthquakes with variation in the water level behind the dam. The ratio of water height of the dam to dam height is considered as an important indicator to investigate the seismic performance of these structures. The analyses were performed using the ABAQUS finite element platform, under 7 near-field and 7 far-field earthquake records. In this research, the changes in dam stresses, displacements, and failure of the dam have been discussed. The results indicated that the effect of near-field earthquakes on the seismic behaviour of earth dams is more significant than far-field earthquakes.
    Źródło:
    Civil and Environmental Engineering Reports; 2020, 30, 4; 125-141
    2080-5187
    2450-8594
    Pojawia się w:
    Civil and Environmental Engineering Reports
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Seismic Behavior of Earth Dams With Different Reservoir Water Levels Under Near-Field and Far-Field Earthquakes
    Autorzy:
    Asadi, Masoud
    Soltani, Fazlollah
    Sinvandi-Pour, Abbas
    Noroozinejad Farsangi, Ehsan
    Powiązania:
    https://bibliotekanauki.pl/articles/1838051.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    earthquakes
    seismic behaviour
    earth dam
    water levels
    finite element modelling
    trzęsienia ziemi
    badania sejsmiczne
    zapory ziemne
    poziom wody
    modelowanie elementów skończonych
    Opis:
    The height of reservoir water is one of the important factors affecting the seismic behaviour of earth dams. A large number of earth dams have been constructed in different countries that are sometimes located in a high-risk geographical zone. The studies on the seismic behaviour of earth dams have been conducted for several decades. However, this study, considering the importance of the subject, it investigates the seismic behaviour of Sumbar rock-fill embankment dam under near- and far-field earthquakes with variation in the water level behind the dam. The ratio of water height of the dam to dam height is considered as an important indicator to investigate the seismic performance of these structures. The analyses were performed using the ABAQUS finite element platform, under 7 near-field and 7 far-field earthquake records. In this research, the changes in dam stresses, displacements, and failure of the dam have been discussed. The results indicated that the effect of near-field earthquakes on the seismic behaviour of earth dams is more significant than far-field earthquakes.
    Źródło:
    Civil and Environmental Engineering Reports; 2020, 30, 4; 125-141
    2080-5187
    2450-8594
    Pojawia się w:
    Civil and Environmental Engineering Reports
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Performance of Solid Waste Landfills Under Earthquake-Induced Vibrations
    Autorzy:
    Seyedi Marghaki, Behnaz
    Soltani, Fazlollah
    Noroozinejad Farsangi, Ehsan
    Sivandi-Pour, Abbas
    Powiązania:
    https://bibliotekanauki.pl/articles/27314724.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    landfill
    earthquake
    walls stability
    geosynthetics
    FEM
    ABAQUS
    rupture
    numerical modelling
    wysypisko śmieci
    trzęsienia ziemi
    stabilność ścian
    geosyntetyki
    MES
    modelowanie numeryczne
    Opis:
    The stability inside the waste, internal stability, and co-stability between the elements of the insulation system and the landfill bed should be considered in the landfill design. The stresses and the resulting deformations in both mineral and geosynthetic materials of the insulation system must be controlled in the design, so that an unpredictable flow path is not created. Besides, long-term durability in the insulation system should be considered. An evaluation of the durability of the system requires knowledge of the interaction between the components and the waste as a settling object. The numerical modeling methods can be used to evaluate the local instability. In this study, a landfill constructed in the UK has been modeled in ABAQUS finite element platform and was verified with the results of obtained data from precision instruments at the landfill site. Then, by applying the earthquake excitations, the seismic behavior of the solid waste landfill under Far-Field and Near-Field earthquakes and their effect on the durability of the landfill wall system were investigated. The outputs include maximum displacement, maximum stress, the most critical state, and investigation of yield stress and rupture of the geomembrane layer. The results indicated that in the landfill wall, the maximum displacement occurs in the waste section. It occurs especially between the boundary of natural soil and waste. It was also observed that the geomembrane layer under the earthquake loadings had experienced some ruptures.
    Źródło:
    Civil and Environmental Engineering Reports; 2022, 32, 2; 1--22
    2080-5187
    2450-8594
    Pojawia się w:
    Civil and Environmental Engineering Reports
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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