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M.Tech / M.E / PhD Thesis | Civil Engineering | India | Volume 5 Issue 9, September 2016

Capacity Based Dynamic Analysis with Soft Storey for Regular and Irregular Existing RC Structures

Mahesha B.N | Dr. G.Narayana

Abstract: In elevated structures or multi story structures, delicate story development is a common component as a result of urbanization and the space inhabitance contemplations. Delicate story breakdown is the primary explanations behind disappointment of surrounded structures amid a seismic tremor. Such abnormalities are incredibly undesirable in the structures worked in quake inclined regions. In these structures, the firmness of the parallel burden opposing frameworks at that story is entirely less contrasted with different stories. In this present work the Non linear pushover analysis is carried out for high rise building at different soft storey levels. There are n numbers of possibilities to provide soft storey such as First storey as soft storey with peripheral bay as core infilled, Middle storey as a soft storey with core infilled masonry wall in central bay, Masonry infilled core wall in adjacent bay in transverse y-direction and middle storey as soft storeys, Bare frame with only masonry infilled core wall at central bay. A typical G+15 storey regular bare frame building is analyzed for various levels of soft storey with core infilled masonry wall and Performance of each storey is carried out through nonlinear static analysis. Mode shapes, Storey drift, Base shear, Pushover curve and Performance point of each model are carried out with different levels of soft storey systems and to compare the results of seismic analysis of high rise bare frame building with different levels of soft storey systems.

Keywords: Pushover analysis, seismic performance evaluation, nonlinear response, Soft storey at different storeis

Edition: Volume 5 Issue 9, September 2016,

Pages: 949 - 954

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