Cost Comparison of RCC Columns in Identical Buildings Based On Number of Story and Seismic Zone

The cost of construction of columns of a building covering certain plinth area varies for a combination of story and seismic zone. For a particular seismic zone, the relationship between the costs of columns over a wide range of story is not necessarily linear. Similarly, the difference in cost for a particular story over a range of seismic zone factors has to depend on the number of story as well. This study is an attempt to make such a comparison possible based on structural analysis and design of various buildings having same plinth area but different number of story and different seismic zone factors. Results illustrate that the cost trend for identical buildings over a range of building height, is same for two different seismic zones, but is not necessarily linear for a particular seismic zone.