Seismic Analysis of G+5 Storey Building with Bracings using ETABS

Earthquakes is the usual calamity known to mankind from many years, from the ancient time researches, researched many ways to protect the buildings. There was a need to control the damage caused by earthquake to the both existing and newly to build structures. Many existing reinforced concrete buildings need retrofit to overcome deficiencies to resist seismic loads. Bracing is the most effective method which can be incorporated to the reinforced concrete buildings. Steel bracing is a highly efficient and economical method of resisting horizontal forces in a RC frame structure. Bracing has been used to stabilize laterally the tallest building structures. Braced frames can resist large amount of lateral forces and have reduced lateral deflection and thus reduces devastation. Steel bracing framework expands the stiffness and strength of the RC G+5-storey building and reduces their deformation. In present study we have used an H shaped irregular building with 36m along X and 36 m along Y direction. Equivalent static linear seismic analysis is carried by using ETABS software, where the comparison of results is made between bare frame and X braced frame. The performance of the building is evaluated in terms of lateral displacement, base shear. The study is to be carried for the Zone Ó€V and medium soil as specified in IS codes.