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Browsing Research Articles (Civil Engineering) by UP Author "Markou, George"
Now showing items 1-17 of 17
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Mourlas, Christos; Markou, George; Papadrakakis, Manolis (Elsevier, 2019-01)Accurate nonlinear dynamic analysis of reinforced concrete structures is necessary for estimating the behavior of concrete structures during an earthquake. A realistic modeling approach to assess their strength and their ...
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AlHamaydeh, Mohammad; Markou, George; Bakas, Nikos; Papadrakakis, Manolis (Elsevier, 2022-08)The presented work utilizes Artificial Intelligence (AI) algorithms, to model and interpret the behavior of the fiber reinforced polymer (FRP)-reinforced concrete deep beams without stirrups. This is done by first running ...
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Markou, George; Mourlas, Christos; Papadrakakis, Monolis (World Scientific Publishing, 2019-02)A computationally efficient and robust simulation method is presented in this work, for the cyclic modeling of reinforced concrete (RC) structures. The proposed hybrid modeling (HYMOD) approach alleviates numerical limitations ...
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Markou, George; AlHamaydeh, Mohammad (Elsevier, 2024-02)This study presents a novel computationally efficient high-fidelity nonlinear FEA (NLFEA) methodology for prestressed RC bridges constructed in the UAE and seismically isolated with elastomeric bearings. Specifically, the ...
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Vorster, Martin; Van der Vyver, Petrus Jacobus; Markou, George (Elsevier, 2023-01)INTRODUCTION : The purpose of this study was to evaluate and compare 2 different access cavity designs in combination with 2 popular single-file preparation systems to see which combination preserves dentin, more specifically ...
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Vorster, Martin; Gravett, Dewald Zane; Van der Vyver, Petrus Jacobus; Markou, George (Elsevier, 2023-05)INTRODUCTION : This study evaluated the effect of traditional and conservative endodontic access cavity designs in combination with WaveOne Gold and TruNatomy instrumentation systems on the fracture resistance of mandibular ...
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Vorster, Martin; Van der Vyver, Petrus Jacobus; Markou, George (Elsevier, 2022-07)INTRODUCTION : The aim was to compare the glide path and final preparation times of WaveOne Gold and TruNatomy in conjunction with two different endodontic access cavity designs in extracted human molar teeth. METHODS : ...
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Mourlas, Christos; Khabele, Neo; Bark, Hussein A.; Karamitros, Dimitris; Taddei, Francesca; Markou, George; Papadrakakis, Manolis (World Scientific Publishing, 2020-10)Investigating the nonlinear dynamic response of reinforced concrete (RC) structures is of significant importance in understanding the expected behavior of these structures under dynamic loading. This becomes more crucial ...
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Rosado-Tamariz, Erik; Genco, Filippo; Campos-Amezcua, Alfonso; Markou, George; Batres, Rafael (Wiley, 2021-03)This paper presents a thermal power plant retrofitting approach focused on improvements in the operational flexibility of existing combined cycle power plants dedicated to providing thermal energy for medium and low-temperature ...
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Markou, George; Roeloffze, Wynand (Sage, 2021-06)Modelling of concrete through 3 D constitutive material models is a challenging subject due to the numerous nonlinearities that occur during the monotonic and cyclic analysis of reinforced concrete structures. Additionally, ...
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Markou, George; Bakas, Nikolaos P.; Chatzichristofis, Savvas A.; Papadrakakis, Manolis (Springer, 2024)Data-driven models utilizing powerful artificial intelligence (AI) algorithms have been implemented over the past two decades in different fields of simulation-based engineering science. Most numerical procedures involve ...
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Markou, George; Garcia, Reyes; Mourlas, Christos; Guadagnini, Maurizio; Pilakoutas, Kypros; Papadrakakis, Manolis (Elsevier, 2021-12)The seismic assessment of reinforced concrete (RC) structures before and after retrofitting is a challenging task, mainly because existing numerical tools cannot accurately model the evolution of concrete damage. This ...
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Markou, George (Elsevier, 2021-11)Modeling, analysis and design of retrofitting interventions has been a topic of numerous research projects that aim in providing answers to complex questions such as “which retrofitting technique is more effective in terms ...
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Seismic assessment of small modular reactors : NuScale case study for the 8.8 Mw earthquake in Chile Markou, George (Elsevier, 2019-02)Reducing greenhouse gas emissions and improving energy production sustainability is a paramount of Chile’s 2050 energy policy. This though, is difficult to achieve without some degree of nuclear power involvement, given ...
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Markou, George; Mourlas, Christos; Bark, Hussein; Papadrakakis, Manolis (Elsevier, 2018-12)Having the ability to assess the earthquake resistance of retrofitted reinforced concrete (RC) structures through accurate and objective nonlinear cyclic analysis is of great importance for both scientists and professional ...
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Gravett, Dewald Zane; Markou, George (Elsevier, 2021-05)Nonlinear dynamic modelling of full-scale wind turbine structures and soil-structure interaction considerations using the 3D detailed approach is the most accurate method of investigating the mechanical response of these ...
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Structural performance deterioration of corroding reinforced concrete columns in marine environments Chen, Hua-Peng; Jiang, Yu; Markou, George (Elsevier, 2022-10)In aggressive marine environments, rebar corrosion caused by chloride ion ingression in concrete is a critical factor leading to premature failure of in-service reinforced concrete (RC) structures. This paper investigated ...
Now showing items 1-17 of 17