الفهرس 
Chapter 1Only 14 pages are availabe for public view
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Abstract
The use of coupling beams in high-rise buildings are popular in most countries all over the world due to their benefits to preserve the integrity of the structure during the earthquake. It has many advantages as dissipation of the seismic energy because of the inelastic deformations, Preserving the shear walls stiffness as coupling beams yields first, expansion of the lateral stiffness of the proposed system and reduction the bending moment that would need to be resisted by each wall if they acted individually. Behaviour of coupling beams with different reinforcement details is studied using finite element analysis. ABAQUS v6.14 software is used, and the FEM is verified against available experimental results in the literature. A parametric study is conducted to evaluate the behaviour of the coupling beams with different reinforcement details using different parameters. Different profiles are used in all parameters. The studied parameters include fixed the concrete compressive strength for both shear walls and beams and changing the concrete compressive strength between them as many times the coupling beams should be casted with the slab in a different time of casting the shear walls, aspect ratios are (2.5,3,4,4.5), confinement of the diagonally reinforcement, yield stress for the reinforcement and the spacing between stirrups. The thesis consist of sex chapters, chapter one including the introduction, chapter two including the literature review for the previous experimental and numerical studies for the coupling beams, chapter three including the verifications to compare the results between the experimental and the numerical study by using ABAQUS, chapter four including the parametric study, chapter five including the push-over curves that were extracted from the numerical results and chapter six including the conclusions. References, recommendations for future research and Arabic abstract are listed at the end of the thesis.