Institute of Earthquake Engineering and Engineering Seismology

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    Influence of Height in Simulation of Soil Structure Interaction Problems with Dampers
    (Walter de Gruyter GmbH, 2016-12-01)
    Bogdanovic, Aleksandra
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    Stojmanovska, Marta
    In numerical simulation of soil structure interaction problems the presence of dampers in the frame is an advantage yet a special topic to be considered. This paper presents valuable observation on the dynamic soil structure interaction analysis of multi storey frames and considers the effect of height in simulation of soil structure interaction problems. Comparison of these problems has been done by comparing the obtained results from different set up in the software ANSYS. The results of numerical analysis illustrate that it has to be paid more attention when considering the structures not alone but also considering the effect of soil medium.
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    A new approach in simulation of soil-structure interaction problems including damper effects
    (Inderscience Publishers, 2020)
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    Bogdanovic, Aleksandra
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    Stojmanovska, Marta
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    Poposka, Angela
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    Farsangi, Ehsan Noroozinejad
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    Boundary Effects in Simulation of Soil-Structure Interaction Problems
    (Springer Science and Business Media LLC, 2017-09)
    Edip, K.
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    Garevski, M.
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    Sheshov, V.
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    Bojadjieva, J.
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    Development of infinite elements for simulation of unbounded media
    (Centre for Evaluation in Education and Science (CEON/CEES), 2018)
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    Demir, Aydin
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    Ozturk, Hakan
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    Development of coupled numerical model for simulation of multiphase soil
    (Elsevier BV, 2018-04)
    Edip, K.
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    Sesov, V.
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    Butenweg, C.
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    Bojadjieva, J.
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    Harmonized methodology for cross-border hazard and risk assessment of earthquake-induced landslides at regional scale
    (Springer Science and Business Media LLC, 2025-03-25)
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    Fotopoulou, Stavroula
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    Bozzoni, Francesca
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    Nonlinear analysis of an RC frame structure considering the effects of embedment on soil–structure interaction
    (Faculty of Civil Engineering and Architecture Osijek, 2025-12-03)
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    Bojadjiev, Jordan
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    Experimental Verification of Innovative, Low-Cost Method for Upgrading of Seismic Resistance of Masonry Infilled Rc Frames
    (MDPI AG, 2025-07-31)
    Bojadjiev, Jordan
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    Necevska Cvetanovska, Golubka
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    Varevac, Damir
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    Bojadjieva, Julijana
    <jats:p>For the past few decades, during each disastrous earthquake, severe damage and poor seismic performance of masonry infilled RC frames, including many newly designed ones, have been reported extensively. Inherent problems related to analysis and design methods for tight-fit infilled frame structures have not yet been solved and are recognized as being far from satisfactory in terms of completeness and reliability. The primary objective of this research was to propose and test an innovative method that can effectively mitigate undesirable interaction damage to masonry infilled RC frame structures. This proposed technical solution consists of connection of the infill panel to the bounding columns with steel reinforcement connections deployed in mortar layers and anchored to the columns. This is practical, cheap and easy to implement without any specific technology, which is especially important for developing countries. A three story, two bay RC building model with the proposed connection implemented on the infill walls was designed and tested on the shake table at IZIIS in Skopje, N. Macedonia. The test results and design guidelines/recommendations from the proposed research are also expected to benefit the infrastructural development in other countries threatened by earthquakes, preferably in the Balkan and the Mediterranean region.</jats:p>
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    Kinematic SSI effects on seismic performance of RC structures
    (Croatian Association of Civil Engineers, 2024-09)
    Petrov, Nikola
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    Bojadjieva, Julijana
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    Bojadjiev, Jordan
    <jats:p>In seismic regions, understanding soil–structure interaction (SSI) is crucial. This study examines the SSI effects on a six-storey RC-frame building using American guidelines for soil types B and C as per Eurocode 8. Structural responses of a constant structural system under various soil types and embedment conditions are compared, revealing significant influences on seismic behaviour. The study employs linear-elastic analysis to demonstrate that local soil and embedment conditions decrease base shear forces but increase total horizontal displacements and inter-storey drifts. This study highlights the importance of considering local soil conditions and embedment configurations to ensure structural resilience in earthquake-prone areas.</jats:p>
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    Решенија за ограничување од облогата и хидродинамичка стабилност на јаловишна брана
    (Сплит- ХрватскФакултет за Градежништво Архитектура и Геодезија; Матице Хрватске 15, HR-21000 Сплит, 2023-12-12)
    Mircevska Violeta
    The study investigates the impact of reservoir lining on the hydrodynamic stability of a tailings dam. A 3D coupled fluid-solid finite element model was used for detailed seepage analyses based on conventional flow-net and steady seepage conditions. Pore pressure, stationary seepage velocities, static liquefaction and the ratio between manifested and critical hydraulic gradients were predicted under three different lining conditions. The highest potential for internal erosion and heave was observed in the lined reservoir and starter dam scenario. Although there are environmental benefits, the incorporation of liners in dam design requires a comprehensive engineering assessment of the negative hydrodynamic effects.