Examination of Performance of Seismically Isolated and Non Isolated RC Structure using Lead Elastic Bearing Isolators
Journal Title: International Journal of Trend in Scientific Research and Development - Year 2021, Vol 5, Issue 2
Abstract
In Reinforced Cement Concrete structures lateral loads are first which will grow proportionally with growth in floor height of the structure as a result of which lateral loads more effective in the top story in contrast to the bottom story due to which the structures are likely to react as cantilever and that forces develop high stresses, produce sway movement leads to serious damages and hence at last results in failure of the structure. Each of these causes form the study of the effect of lateral loads very dominant. Column is the most critical member in the building subjected to earthquake loading because failure of a column can affect the stability of the whole building. Column may fails due to lack of ductility, strength and weak beam column joint. A model of a 14 storey structure is made on ETABS Software and analysis of reinforced concrete framed structure under earthquake excitation has been carried using the linear static analysis methods as per the guidelines provided in IS1893 2016 codes to simulate seismic analysis. In order to study the effect seismic force on LRB system zone II of India a multi storey hotel building of G 13 of Square and L Shape configuration is taken in zone II with and without having a lead rubber bearing LRB at its base is analyses using linear static method. Supports has been removed at base and assigned as spring and different parameters like storey displacement, storey drift, base shear, and storey shear for all cases are evaluated and presented in the form of charts Based on results and comparing the parameters of different cases namely Asymmetric and Symmetric buildings with and without base isolation the conclusion can be made that Base isolation is very effective in reducing the storey drift in Symmetrical building and Asymmetrical building. For Asymmetrical building the base shear in X direction is reduced after the implementation of LRB system and in Y direction the same is reduced. Amit Kumar | Prof. Nitesh Kushwaha "Examination of Performance of Seismically Isolated and Non-Isolated RC Structure using Lead Elastic Bearing Isolators" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-2 , February 2021, URL: https://www.ijtsrd.com/papers/ijtsrd38542.pdf Paper Url: https://www.ijtsrd.com/engineering/civil-engineering/38542/examination-of-performance-of-seismically-isolated-and-nonisolated-rc-structure-using-lead-elastic-bearing-isolators/amit-kumar
Authors and Affiliations
Amit Kumar | Prof. Nitesh Kushwaha
Keywords
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