SIESMIC ANALYSIS OF MULTISTOREY BUILDING WITH FLOATING COLUMN UNDER EARTHQUAKE EXCITATION WITH AND WITHOUT CONSTRUCTION SEQUENCE ANALYSIS CONSIDERING P-DELTA EFFECT

Authors

  • Masroor Chandpasha Shaikh MIT college aurangabad maharashtra india
  • Prof Sandhya Swami assistant professor, MIT college aurangabad
  • Mohammed ishtiyaq Ishtiyaque assistant professor, MIT college aurangabad
  • syed Fahad ali assistant professor, MIT college aurangabad

DOI:

https://doi.org/10.3759/josem.v6i1.1420

Keywords:

p-delta, construction sequence, floating column

Abstract

Rapid urbanization and population increase has led to the design of  high rise buildings with varied amenities in the recent construction practices. These buildings now no more has the old same configuration on each floor, but but  a range of different combinations on floors. This has made the use of floating columns an unavoidable structural element. As the storey height rises the scale to which the bending moments are transferred to each member is huge. If there is any deformation in the structure the moments now change as the transfer path now is no more linear. The analysis of such a type of scenario is called p-delta analysis. Also the need for rapid construction has resulted in a rush to complete the structure in lesser and lesser time. The formwork is removed in less than three days and sometimes even less than three days. Such a practice doesn’t allow the concrete to gain its full strength before the next storey is raised, but the loads already is being transferred on the member. To consider this problem construction sequence analysis is done in this paper considering a G+16 building with three days storey gap

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Published

2019-05-23

Issue

Vol. 6 No. 1 (2019)

Section

Articles

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