Simple Formula for Determination of Period of Vibration of Shear Wall Dominant Symmetric Buildings

S. G. Joshi*, Naveen Kwatra**
* Department of Civil Engineering, Vishwakarma Institute of Information Technology, Pune, India.
** Department of Civil Engineering, Thapar University, Patiala, Punjab, India.
Periodicity:December - February'2020
DOI : https://doi.org/10.26634/jce.10.1.15439

Abstract

Fundamental period of vibration is determined by an empirical equation by many building codes. Many times these values are estimated over-conservatively. Many researchers have attempted modification in these formulae with an aim of predicting the period of vibration as close to the reality. Soft computing technique of Genetic Programming (GP) is applied to arrive at the simple empirical equation for fundamental period of vibration. In the present study, GP models are developed using input parameters which represent mass, stiffness and geometry of the buildings directly or indirectly. Total number of 70 buildings are analyzed out of which, data set of 49 buildings are used to develop the models. The GP technique has given the equations of period of vibration, which are then modified as per the error obtained from the experimentation conducted on mild steel frames. Finally a simple expression for fundamental period of vibration is suggested, which is then verified from the data set found in the literature.

Keywords

Shear Wall Buildings, Genetic Programming, Building Period Formula.

How to Cite this Article?

Joshi, S. G., & Kwatra, N. (2020). Simple Formula for Determination of Period of Vibration of Shear Wall Dominant Symmetric Buildings, i-manager's Journal on Civil Engineering, 10(1), 13-21. https://doi.org/10.26634/jce.10.1.15439

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