Seismic behavior of a strengthened full scale reinforced concrete building using the finite element modelling approach

Elwi, Mohammed; Abdul-Hussein, Wameedh Ghassan; Mohammed, Ahmed J.; Kadhim, Mustafa Amoori

doi:10.21533/pen.v10i2.3001

Cited by 4 publications

(2 citation statements)

References 9 publications

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“…Many studies have used finite element analysis (FEA) for structural analysis to gain insight into the behavior and performance of complex structures. These studies demonstrate the effectiveness of FEA in providing valuable insights into the behavior and performance of complex structures, allowing for more efficient and safe design [1]- [3].…”

Section: Introductionmentioning

confidence: 73%

Dynamic response of reinforced concrete beams subjected to low velocity impact loads using nonlinear finite element analysis

Abdulsahib

Almuhsin

Abduljabbar

2023

PEN

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The development of a nonlinear finite element method (FEM) for examining how reinforced concrete (RC) beams react to dynamic forces under the action of low-velocity impacting loads is presented in this article.The model was employed to analyze the stress distributions along with the time histories of impacting load and beam deflection, which were presented graphically. Comparisons with experimental data from previously conducted studies have been performed to verify the precision of the studied model. The findings demonstrated that the developed model was acceptable. Furthermore, the study performed a detailed parametric analysis, focusing on various factors such as replacing conventional steel bars with FRP bars, increasing concrete compressive strength, changing the impact location, using different diameters of reinforcing bars, and changing the depth of the concrete beam. According to the findings, using FRP bars resulted in 36% less peak load due to the uplift pressure caused by the FRP bars' high strength, while the maximum observed deflection of the beam reinforced with FRP bars decreased by approximately 9%. When the position of the impacting force was applied at one-third of the span of the beam, deflection was decreased by 12% when compared to the RC beam has been impacted at its midspan. In addition, the depth of the beams had a significant impact on the impacting load. These presented findings of the study may contribute to a better understanding of how a structure made of concrete responds to impacting loading.

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Section: Introductionmentioning

confidence: 73%

Dynamic response of reinforced concrete beams subjected to low velocity impact loads using nonlinear finite element analysis

Abdulsahib

Almuhsin

Abduljabbar

2023

PEN

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“…According to all the specifications of any code of practice to design beams and columns and achieve many agreeable crosssections, most engineers have hesitation with selecting convenient cross-sections that lead to reduce and minimizing cost with no need for further calculations. In this study, optimization technique is used to solve the structural engineering problems in high-rise structures, both size, stability, safety and response to different loading types are taken in to consideration by using design optimization [2], [3]. Michell [1] could be considered the first to start with an interest in the topic of optimal solutions relevant to structural engineering and then followed suit by Schmidt [4].…”

Section: Introductionmentioning

confidence: 99%

The effect of dynamic load on tall building

Hussein¹,

Mohammed²,

Elwi³

2022

PEN

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In this study, the effectiveness of the structure of a tall building (consisting of nineteen floors) was analysed and investigated by the existence or absence of shear walls (SW) to resist loads of wind and earthquake effect. Note that each floor contains four apartments comes under zone 2 Four different styles of shear walls were used in terms of shape and location. The results were analysed and discussed for each case and for each floor, and comparisons were made between those results in terms of (moments, lateral forces, vertical loads, and torsion moments). There are several techniques for solving structural engineering problems, and one of those distinct techniques is the design optimization techniques method. The most complicated high-rise buildings that use design optimization, which includes each of size and topological optimization, are addressed by considering stability, safety, and responsiveness to various sorts of loadings A project includes wall-frame structural optimization. When this wall and core system was subjected to various loadings, it was tested for displacement, internal stresses, and intensities. The SAP2000 Software has made design improvements to the construction of the reinforced concrete plane frame to minimize the costs to beams and columns of the concrete and steel by Using a computer model called an Artificial Neural Network (ANN). The concept method is in accordance with ACI-318-08 Code. To improve the design optimization, many variables have been used depth, width, and the steel reinforcing area Including both (longitudinal and shear reinforcement). It can be concluded that by putting the shear walls nearest the structure geometric center the best performance of seismically loaded structure can be achieved; the maximum displacement, bending moment horizontal forced, and torsional moments were decreased.

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