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Lakshmi K.O.1, Prof. Jayasree Ramanujan1, Mrs. Bindu Sunil2, Dr. Laju Kottallil3, Prof. Mercy Joseph Poweth4
1Department of Civil Engineering, M.A. College of Engineering, Kothamangalam, India.
2M.Tech (Structural) M.I.E, Technical Director, Geostructurals (P) Ltd. India
3P. G. Coordinator, Department of Civil Engineering, M.A. College of Engineering, Kothamangalam, India.
4HOD, Department of Civil Engineering, M.A. College of Engineering, Kothamangalam, India.
Performance of structures under frequently occurring earth quake ground motions resulting in structural damages as well as failures have repeatedly demonstrated the seismic vulnerability of existing buildings, due to their design based on gravity loads only or inadequate levels of lateral forces. This necessitates the need for design based on seismic responses by suitable methods to ensure strength and stability of structures. Shear wall systems are one of the most commonly used lateral load resisting systems in high rise buildings.. This study aims at comparing various parameters such as storey drift, storey shear, deflection, reinforcement requirement in columns etc of a building under lateral loads based on strategic positioning of shear walls. Based on linear and nonlinear analysis procedures adopted, the effect of shear wall location on various parameters are to be compared .Pushover analysis is used to evaluate the expected performance of the structure by estimating its strength and deformation demands in design earthquakes by means of static inelastic analysis, and comparing these demands to available capacities at the performance levels of interest. The capacity spectrum method is used to obtain the overall performance level of a structure. The software used is ETABS 9.5 and SAP 2000.V.14.1
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