DYNAMIC ANALYSIS OF BUILDING RESTING ON LOPING GROUND

Abstract

The building structures situated in hilly area are much more vulnerable to earthquake environment in comparison to the building structures located in flat regions. Structures situated on sloping ground differs from other building structures because they are irregular both vertically and horizontally hence torsion moments so these structures are more susceptible to severe damage when subjected to earthquake vibrations. The columns of ground storey building have varying height of columns due to sloping ground. In this research work, behavior of 4 to 11 storey with different configuration step back, step back set back and set back building is analyzed using structural analysis tool STAAD Pro. By performing a linear time history analysis. From the above analysis it is observed that stiffness of the model increases due to decreases in height of short column which results in increases in seismic forces on short column which is about 75% of total base shear and chances of damage is increased considerably due to formation of plastic hinges therefore proper analysis is required to quantify the various building configuration for more suitability on sloping ground.