A Study & Pushover Analysis of RC Frame Buildings with Short leg shear wall
A PUSHPALATAHA
M.Tech (Structural Engineering) Department of Civil Engineering & Chiranjeevireddy Institute of Engineering & Technology , IN
SYED RIZWAN
M.Tech (Structural Engineering) Department of Civil Engineering & Chiranjeevireddy Institute of Engineering & Technology , IN
Keywords: ETABS v 13.2.2, Pushover methodology, short leg shear wall, comparison of pushover results with ESA &RSAmethods&models.
Abstract
Now-a-days, there is an incremental demand of high rise residential & commercial buildings because of under-supply of land. So, high rise buildings become first choice to developers & consumers looking for more tall & slender structures. In this case, designers are going to take lateral loads like wind loads & earthquake (trembling) loads etc., the increasing effect of creative loads are attaining importance & every designer was facing with a problem to provide adequate strength & stability to tall buildings. Attention is now
being given to the judgment of the adequacy of strength in Reinforced Concrete (RC) framed structures to resist strapping ground motions. Further with more understanding of structural behaviour at micro level/element level the concept of “capacity design” was introduced & this enforced to decide the required recital of the structure right at the design stage itself. The NON LINEAR STAGNANT ANALYSIS (PUSHOVER ANALYSIS) is gaining recognition for this function. In the pushover examination, non linear finite element model of structure eg: a building frame) subjected to gravity loads is tangentially loaded until either a predefined target disarticulation is met. The procedure for developing vulnerability or fragility curves and the damage probability indicates for buildings are discussed using probabilistic approach. For this purpose, RC FRAMES and SHORT LEG SHEAR WALLS are initially analysed and designed using ETABS v 13.2.2-FINITE ELEMENT SOFTWARE, under the combination of gravity loading and seismic loading for a particular seismic zone.
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