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Seismic Analysis of High Rise Building with Transfer Structure

Pratik B.Murumkar,Dr.Vinesh S.Thorat

ABSTRACT
Seismic analysis of high-rise buildings with transfer structures is crucial for their safety and stability in earthquake-prone areas. Transfer structures reduce the number of support columns and increase usable space but introduce complexities in structural behavior during seismic events. Comprehensive seismic analysis is essential to ensure these structures withstand seismic forces without collapsing or suffering significant damage Both linear and nonlinear analysis methods are used, with appropriate ground motions selected. Linear analysis determines fundamental frequency and mode shapes, while nonlinear analysis simulates behavior under seismic loads, including plastic hinge development and force redistribution due to the transfer structure. Results guide the optimization of the transfer structure and other elements to improve seismic performance. Weak points, such as areas with excessive drift or displacement during earthquakes, are identified for targeted design improvements. The study emphasizes the significance of comprehensive seismic analysis for high-rise buildings with transfer structures to ensure safety and stability. Findings inform design optimization, enhancing seismic performance and occupant safety.

LLRS, Seismic, Core wall, Modifiers, Transfer