To Evaluate the Safe and Economical RCC Multistory Building W.R.T Shape and Analysis Method in all Seismic Zones of Pakistan

Abstract

 
The impact of earthquake forces on structure is very serious issue in its stability. These forces have larger impact in high seismic zone. To counter these impacts large concrete sections are provided in the structure which make the structure costly. In this research impact of earthquake forces in the geometry of structure has been studied in different seismic zones of Pakistan. The main objective of this research is to evaluate safe and economical design of structure w.r.t. geometry of building and seismic analysis method applied in all seismic zones of Pakistan. 12 storey building having (01xBasement +ground floor + 10 Stories) is consider for analysis and design. The geometry of buildings is considered as rectangular, circular and triangular. In all geometric shapes of building total covered area is approximately equal with each other and also by span of all geometric structure are approximately same. For seismic analysis of structure two types of analysis method is used (Static equivalent Method is used for static analysis of earthquake forces) and (dynamic analysis has been done through Response Spectrum Analysis as per UBC97 Code). To find safe and economical design of structure in all seismic zone has been done through different parameters (storey displacement, story drift, moment, shear and base shear) and for economical design cost estimation has been done. The final recommendation for the structure design of 12 storey building is analysis based on shape and analysis methods in all seismic zones.