Abstract
Engineering structures are very complex and difficult to analyze for their dynamic, or vibrational, behavior. With the incidental loss of life and property witnessed in the last couple of decades alone in India, due to failure of structures caused by earthquakes, now attention is given to neglect the adequacy of strength in RC framed structures to resist strong ground motions. To determine structural response beyond yield point, out of two types of nonlinearity material and geometrical, material nonlinearity is considered in present paper. As such, nonlinear analysis can play an important role in the analysis and design of new and existing buildings. In the present paper, RC Moment Resisting Irregular Frames (T&L Shape) of 5, 9,12 and 15 Story are analyzed for seismic Zone IV and designed as per IS code provisions, considering both seismic and gravity loads. Further, performance evaluation of above frames is done using Non Linear Time History Analysis (NLTHA) in Seismostruct software.
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