Comparative Study of Multistorey Building with Composite Column at Soft Storey

Authors

  • S.S. Patil
  • S.K. Jangave, R.S. Patil

Abstract

Increase in population, car parking space is major concern. Hence, trend has been set up to use ground floor for parking purpose. Literature shows that, large number of reinforced concrete (RC) building with soft storey damaged by earthquake shaking due to many structural deficiencies such as, column with insufficient confinements, strong beam weak column, formation of plastic hinge at beam-column joint, opening of 90 degree ties, poor detailing in beam-column connection joint etc. This paper includes seismic analysis of multistorey frame structures using steel concrete composite column (SCC) section in soft storey. The structure with SCC column section is analyzed and compared with general RCC frame structure by using time history and pushover analysis method. Both the building are analyzed and compared in terms of different responses such as fundamental time period, base shear resistivity, performance point using finite element method(FEM) based software SAP2000. The result shows performance of a building is better in case of building with composite column due to increase in base shear and performance point of building and decrease in fundamental time period.

 

Keywords: Pushover analysis, Soft storey, Steel reinforced composite column, Time history

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Published

2020-12-18

Issue

Vol. 3 No. 2 (2016)

Section

Review Article

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