Seismic Analysis of Multi-Storied Regular Building by Response Spectrum And P-Delta Methods using Is 16700:2017
M. Jesse Leo Pragnan1, Anirudh Maddi2
1M. Jesse Leo Pragnan, Structural Engineering, Vignan’s Foundation for Science Technology and Research, Deemed to be University, Guntur, Andhra Pradesh, India.
2Anirudh Maddi, Asst. Professor, Vignan’s Foundation for Science Technology and Research, Deemed to be University, Guntur, Andhra Pradesh, India.

Manuscript received on 01 April 2019 | Revised Manuscript received on 06 May 2019 | Manuscript published on 30 May 2019 | PP: 963-966 | Volume-8 Issue-1, May 2019 | Retrieval Number: A1180058119/19©BEIESP
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Abstract: The turn of the century saw urbanisation like never before, which has led to the obvious problem of land scarcity and thus, land price spike, among others. To address this inadequacy of space, tall buildings have become commonplace. However, the safety of multi-storied buildings diminishes greatly in areas of moderate – high seismic intensity. The design of such buildings must facilitate the accommodation of loads applied laterally on them. Following the recently released IS code, “Criteria for Structural Safety of Tall Concrete Buildings 1S16700:2017” will ensure the safety of these high rise structures even in zones of high seismic intensity. This latest code lays emphasis on using P-Delta analysis for high-rise buildings, alongside the other conventional seismic analyses (like Equivalent Static Analysis, Linear Dynamic Analysis (Response Spectrum Analysis), Nonlinear Static Analysis (Pushover analysis) and Nonlinear Dynamic Analysis) that were used hitherto. In this study, modelling, analysis and design of a Tall RCC building was done employing IS code16700:2017. ETAB software was used to execute Equivalent static analysis, Response Spectrum analysis and P-Delta analysis in seismic zone-V and medium soil conditions. A variety of seismic parameters, for example, self-weight, displacement, time period, storey drift, base shear and storey shear, were evaluated and analyzed for Response Spectrum analysis and P-Delta analysis making use o the IS16700:2017 code. Although the storey shear was same in both the analyses, the storey drift was considerably more in P-Delta analysis in comparison to Response Spectrum analysis.
Keywords: High-Rise Building, Response Spectrum Analysis, P-Delta Analysis, IS16700:2017.

Scope of the Article: Seismic Evaluation of Building Nonstructural Components