EFFECT OF FLOATING COLUMNS ON MULTI-STOREYED BUILDING
R.S.S. Babitha Sri
M.Tech, Department of Civil Engineering, Andhra University College of Engineering, Visakhapatnam, India , IN
Dr. Shaik Yajdan
M.Tech, Department of Civil Engineering, Andhra University College of Engineering, Visakhapatnam, India , IN
Keywords: Floating column, RC frame, Response spectrum analysis, ETABS etc
Abstract
The columns which are supported on a beam instead of the rigid foundation are called as the floating columns. Floating columns are adopted to fulfil the room sizes criteria of architects. In the recent days, lots of multistoreyed buildings are constructed with floating column for getting more space at parking areas for movement and for aesthetic point of view. But, such buildings are highly gets damaged during earthquake in highly seismic zone as compared to regular building. Structure with the floating column must be sound enough to resist earthquake forces. The earthquake forces developed at the different floor levels in the building need to be brought down along the height to the ground by the shortest path, if any deviation or discontinuity such as floating columns results in poor
performance of the building. In this study, the effect of floating columns on RC frame G+9 structure has been studied for zone III. This work is done to study the response of RC frame building with floating columns under earthquake loading. For all the models of the building, response spectrum analysis is carried out. The work includes analysis of the structure by using ETABS software. The comparative results for the building models have been studied for various parameters such as base shear, storey shear, storey drift, storey displacement, stiffness, beam forces, column forces and time period
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