IMPROVING DUCTILITY BEHAVIOR OF REINFORCED CONCRETE COUPLING BEAMS IN SPECIAL SHEAR WALLS USING ULTRA-HIGH PERFORMANCE CONCRETE

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dc.contributor.authorHlayel, Aseel
dc.date.accessioned2025-02-24T12:58:39Z
dc.date.available2025-02-24T12:58:39Z
dc.date.issued2024-12-31
dc.description.abstractThe coupling beams are critical components that connect the shear walls of a coupled shear wall system. In the last few decades, the ductility of diagonal coupling beams has become one of the most important issues in seismic design. Design codes including the ACI 318 code, provide requirements for designing diagonal coupling beams to avoid failure with a reasonable level of ductility under seismic loads. However, the complex reinforcement detailing that is provided by the design codes causes a time-consuming construction process. This research aims to investigate the use of Ultra-High-Performance Concrete (UHPC) as a substitute for transverse reinforcement while maintaining the inclined bars in diagonal reinforced concrete coupling beams within coupled shear wall systems. The objective is to enhance ductility behavior and reduce construction time by simplifying reinforcement detailing. Numerical simulations using ABAQUS finite element software are performed and validated against published experimental data. Irregularly shaped buildings are selected for the analysis to accurately represent real-world conditions and achieve the study's objective. The main investigated parameters include the coupling beam aspect ratio, the depth of coupling beam and the length of the shear wall. The results show that UHPC-strengthened diagonal coupling beams in the coupled shear walls are capable of dispensing the complete amount of transverse reinforcement in diagonal coupling beams while achieving the required ductility level compared to traditional diagonal coupling beam designs specified by the code.
dc.identifier.urihttps://hdl.handle.net/20.500.11888/19941
dc.language.isoen
dc.publisherAn-Najah National University
dc.supervisorDwikat, Monther
dc.supervisorSamaaneh, Mohammad
dc.titleIMPROVING DUCTILITY BEHAVIOR OF REINFORCED CONCRETE COUPLING BEAMS IN SPECIAL SHEAR WALLS USING ULTRA-HIGH PERFORMANCE CONCRETE
dc.title.alternativeتحسين سلوك لدونة جسور الخرسانة المسلحة في جدران القص الخاصة باستخدام خرسانة عالية الأداء
dc.typeThesis
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