A COMPARATIVE STUDY ON SEISMIC RESISTANCEOF A HIGH RISE STRUCTURE WITH FLOATING COLUMNS HAVING INFILL SHEAR WALL AT DIFFERENT LOCATIONS.

SD.Nizamuddin Khadri
P. G Student, Department of Civil Engineering, Aditya Engineering College, Andhra Pradesh, India, 533437 , IN

K.Pavan Kumar
P. G Student, Department of Civil Engineering, Aditya Engineering College, Andhra Pradesh, India, 533437 , IN

A.S.V. Nagaraju
P. G Student, Department of Civil Engineering, Aditya Engineering College, Andhra Pradesh, India, 533437 , IN

Keywords: floating column, diagonal strut, shear wall, ETABS software.

Abstract

The construction of building with increased heights and with usage of lightweight, high strength leads to flexible structures. Recent earthquakes, where many concrete buildings are severely damaged or collapsed, suggest a need to assess the earthquake resistance of buildings. In present, a high rise building with floating column i.e. he column that rest on beams and do not have foundations is common in high rise buildings because of the reason they accommodate more space. These have discontinuities in load transfer path and are designed for gravity loads but not for earthquake loads. Since it is a typical feature, it has some advantages and disadvantages. To reduce damage due to earthquake, an attempt is made to study the behavior of high rise building by considering structural action of infill walls taken as diagonal struts and a shear wall which acts as lateral load resisting system. The building is modeled with floating column, diagonal strut and shear wall. Response spectrum analysis is carried out by using ETABS. The
models are compared for different parameters like storey drift, story stiffness, displacement, time period and base shear.

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