ISSN (Online) : 2456 - 0774

Email : ijasret@gmail.com

ISSN (Online) 2456 - 0774

DYNAMIC ANALYSIS OF HIGH RISE NORMAL AND UNSYMMETRICAL STEEL BUILDING WITH ECCENTRIC BRACING SYSTEM

Abstract

Abstract: To solve practical problems and to comprehend real characteristics of soils and construction having BRB also without BRB designs, 12 models were developed utilizing different forms of bracing and soil types. It includes X bracing, V bracing, Y bracing, and bracing without BRB, as well as three types of soil: sand, silt, and clay, each of which will produce four models, for a total of 12 models. Buildings with a height of 21 meters and seismic zone 4 have been considered. The earthquake load combination will be based on multi-story steel frames with and without BRBs. It is studied using ETABS17 and linear dynamic analysis. The results show how various characteristics of the structure, such as storydisplacement, storydrift, story stiffness, and story shear, change in response to seismic excitation and seismic forces. According to the findings, story displacement, storydrift, and storystiffness all vary dramatically when the soil type varies, and different forms of BRB help significantly to withstand distortion. As a result, soil structure interaction in combination with X BRB must be favored over seismic excitation.

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