Response Spectrum of Multistory Building Situated On Different Soil Condition
Author(s):
Mr. Abhijit Ukey, Raju A. Bondre
Keywords:
SSI, ETABS, Spectral Acceleration, Spectral Displacement
Abstract
The importance of soil-structure interaction (SSI) effects on the seismic response of buildings has been long recognized and has been researched for over 40 years. However, SSI analysis has only been applied in a few building projects because the fixed base condition is considered to provide a conservative estimation for the response of buildings under seismic loads. This assumption of a fixed base condition adopted by practitioners is not always conservative or cost-effective, especially for rigid buildings over soft soils. Additionally, for the case of ductile steel frames with eccentric configurations, the influence of SSI on their seismic performance has not been investigated. Nonlinear time history and reaction range investigations is done utilizing Etabs-2015 programming to examine the impact of soil condition underneath the disconnected base. The impacts of soil adaptability are considered in the current study to analyze the distinctions in otherworldly increasing speed, base shear, story removals, story floats and story shear acquired after the seismic arrangements of Indian standard code. Different soils are methodically analyzed and examined for a seismic exhibition of multistory structures. Parametric examination of the structures fitted with seclusion gadgets is conveyed out to pick the proper kind of soil. The investigation shows that the estimation of base shear increments with an expansion of soil adaptability and superstructure solidness. It additionally saw that the spectral acceleration (SA) and spectral displacement (SD) are higher in delicate soil condition, which gives us proof that the reaction unearthly of a structure is related with soil condition.
Article Details
Unique Paper ID: 150096

Publication Volume & Issue: Volume 7, Issue 2

Page(s): 369 - 374
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Volume 7 Issue 3

Last Date 25 August 2020

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