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Reinforced concrete shear walls are one of the most widely used lateral load structural resisting elements in high rise buildings. Introducing openings in existing shear walls may be due to remodeling or municipality considerations, such as placement of staircases, windows, doors and elevators. Making openings in existing shear wall decrease the overall structural capacity and integrity of the wall, in addition to stress concentrations around the openings. This necessitates the strengthening ofdoi:10.1007/s40091-019-0216-6 fatcat:thwkzfclh5alnmlp54pwbncnge