Application of N2 Method for Performance Evaluation of Reinforced Concrete Framed Asymmetric Edifices
C. N. Gagan *
Department of Civil Engineering, Global Academy of Technology, Bengaluru, Karnataka, India.
Avinash Gornale
Department of Civil Engineering, Maharaja Institute of Technology, Mysore District, Karnataka, India.
S. Karthik
Department of Civil Engineering, Global Academy of Technology, Bengaluru, Karnataka, India.
B. G. Naresh Kumar
Department of Civil Engineering, Maharaja Institute of Technology, Mysore District, Karnataka, India.
*Author to whom correspondence should be addressed.
Abstract
As urban population is expanding constantly, the construction of edifices on the earthquake active area is also increasing. Due to aesthetic appearance, most of the edifices in the present era are asymmetric in nature. But when symmetric edifices are subjected to earthquake, their behaviors are not complex as compared to asymmetric edifices. Hence, for safety purpose, there is need to study the complex behavior of asymmetric edifices by conducting performance evaluation. In the present study, the performance evaluation of four RC edifices is done using N2 method. An effort is made to calculate the correction factors for displacements to account for the effect of torsion. The displacements of asymmetric edifices of all the joints, corners and center of mass are not same.
Keywords: Performance evaluation, pushover scrutiny, N2 method, joint displacements, asymmetric edifices, correction factors