SEISMIC ANALYSIS OF G+20 RCC FRAMED STRUCTURE AND STEEL BEAM-CONCRETE COLUMN HYBRID STRUCTURE

Abstract

In the realm of structural engineering, the quest for innovative solutions that harmonize
performance, efficiency, and sustainability remains an ongoing pursuit. In the dynamic landscape of high-rise
construction, the pursuit of innovative solutions that combine efficiency, strength, and sustainability has led to
the exploration of hybrid structural systems. One such intriguing approach is the integration of steel beams
and concrete columns, where the unique properties of each material are harnessed to create a cohesive and
versatile high-rise structure. The research comprises with the seismic behavior of G+20 multistorey building
using response spectrum method under zone V, and linear time history method for Bhuj earthquake to evaluate
parameters such as storey stiffness, overturning moment, storey displacement, storey drift, and storey shear.
Comparative study is carried out between G+20 RCC framed structure and steel beam-concrete column
HYBRID framed structure in which beams connected to shear wall and periphery columns are replaced by
steel section. From the result obtained it is observed that by replacing the RC beams with steel section the
stiffness of structure is increased due to which storey displacement, storey drift, base shear and overturning
moment is reduced effectively. Also, due to higher strength to weight ratio of steel beams the dead load
structure is also reduced significantly.