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Dynamic Analysis of a Multistory Frame RC Building with and Without Floating Columns

Received: 22 September 2021     Accepted: 26 October 2021     Published: 10 November 2021
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Abstract

This paper tends to evaluate the behavior of five- story RC building with and without floating columns using RC frames as lateral resisting system. This investigation had been carried-out using ETABS Ultimate V.18.1.1. The defined load cases, load combinations, the equivalent static lateral load pattern, and the response spectrum function were defined according ASCE7-16. The design criteria were set to be according to ACI 318-14. Eleven cases were proposed to investigate this behavior. One case was the building without floating columns. Nine cases were the building with different floating column schemes and the final case was the building with floating columns and another lateral resisting system (shear walls) for comparison purpose. Further comparisons of the results for all models are executed on the basis of parameters such as, story displacement, story drift, story stiffness, and response spectrum modal period. The results showed that, although the floating columns play an important role in architectural divisions or in multi-use buildings, but it affected the stiffness of the building negatively that led to increasing of the story lateral displacement and drift, also it led to increasing of modal time period. This mostly led to using a more stiffness lateral resisting system and eventually increasing the building’s structural costs.

Published in American Journal of Civil Engineering (Volume 9, Issue 6)
DOI 10.11648/j.ajce.20210906.11
Page(s) 177-185
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2021. Published by Science Publishing Group

Keywords

Dynamic Analysis, Floating Columns, RC, ETABS, Response Spectrum, ASCE, ACI 318

References
[1] Thomas, J., George, N. (2015) Dynamic Analysis of Reinforced Concrete Building with Floating Column, International Journal of Engineering Research & Technology (IJERT). NCRACE-2015 Conference Proceedings, Volume 3, Issue 29, pp. 1–6.
[2] Prasannan, P., Mathew, A. (2017) Seismic Performance of RC Floating Column Considering Different Configurations. International Journal of Engineering Research & Technology (IJERT), Vol. 6 Issue 05, May - 2017, pp. 100–107.
[3] Chaudhari, A. N., Talikoti, R. S. (2017) Study of Seismic Behavior of Building with Different Positions and Types of Floating Column. International Journal of Engineering Science and Computing, July 2017, Volume 7 Issue No. 7, pp. 14056–14063.
[4] Gupta, T. S., Kumar, M. P. (2017) Effect of Floating Columns in R. C Frames at Different Seismic Zones in India. International Journal of Scientific Engineering and Technology Research, Volume. 06, Issue No. 11, March-2017, Pages: 2194-21964–7.
[5] Maitra, K., Serker, N. H. M. K. (2018) Evaluation of Seismic Performance of Floating Column Building. American Journal of Civil Engineering. Vol. 6, No. 2, 2018, pp. 55-59. doi: 10.11648/j.ajce.20180602.11. https://doi.org/10.11648/j.ajce.20180602.11.
[6] Rangwala, M. A., Singh, S. K. (2018) Seismic Analysis of Multi-Storey Frame with and Without Floating Columns. International Journal of Innovative Research in Science, Engineering and Technology, Vol. 7, Issue 5, May, pp. 5262-5272. https://doi.org/10.15680/IJIRSET.2018.0705096
[7] Patel, Trupanshu & Gadhiya, Jasmin & Bhatt, Aditya. (2017) Effect of floating column on RCC building with and without infill wall subjected seismic force. International Journal of Engineering Trends and Technology. 47. 206-212. 10.14445/22315381/IJETT-V47P233.
[8] Abdul Azeed, Beebijahira H Talageri, Nidith Kumar Shetty, Sankarshan M. (2019) Analysis And Design Of Residential Building With Floating Column. International Research Journal of Engineering and Technology. Vol 6, Issue 5, May.
[9] S, Gokul & R, Manju. (2021) Study on Performance of Floating Column with Different Configurations. International Journal of Advanced Research in Science, Communication and Technology. 749-759. 10.48175/IJARSCT-1312.
[10] ASCE7-16 (2017) Minimum Design Loads and Associated Criteria for Buildings and Other Structures in Seismic Design Requirements for Building Structures: Structural Engineering Institute.
[11] ACI 318–14 (2014) Building Code Requirements for Reinforced Concrete and Commentary.
Cite This Article
  • APA Style

    Ahmed Ibrahim, Hamed Askar. (2021). Dynamic Analysis of a Multistory Frame RC Building with and Without Floating Columns. American Journal of Civil Engineering, 9(6), 177-185. https://doi.org/10.11648/j.ajce.20210906.11

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    ACS Style

    Ahmed Ibrahim; Hamed Askar. Dynamic Analysis of a Multistory Frame RC Building with and Without Floating Columns. Am. J. Civ. Eng. 2021, 9(6), 177-185. doi: 10.11648/j.ajce.20210906.11

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    AMA Style

    Ahmed Ibrahim, Hamed Askar. Dynamic Analysis of a Multistory Frame RC Building with and Without Floating Columns. Am J Civ Eng. 2021;9(6):177-185. doi: 10.11648/j.ajce.20210906.11

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  • @article{10.11648/j.ajce.20210906.11,
      author = {Ahmed Ibrahim and Hamed Askar},
      title = {Dynamic Analysis of a Multistory Frame RC Building with and Without Floating Columns},
      journal = {American Journal of Civil Engineering},
      volume = {9},
      number = {6},
      pages = {177-185},
      doi = {10.11648/j.ajce.20210906.11},
      url = {https://doi.org/10.11648/j.ajce.20210906.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajce.20210906.11},
      abstract = {This paper tends to evaluate the behavior of five- story RC building with and without floating columns using RC frames as lateral resisting system. This investigation had been carried-out using ETABS Ultimate V.18.1.1. The defined load cases, load combinations, the equivalent static lateral load pattern, and the response spectrum function were defined according ASCE7-16. The design criteria were set to be according to ACI 318-14. Eleven cases were proposed to investigate this behavior. One case was the building without floating columns. Nine cases were the building with different floating column schemes and the final case was the building with floating columns and another lateral resisting system (shear walls) for comparison purpose. Further comparisons of the results for all models are executed on the basis of parameters such as, story displacement, story drift, story stiffness, and response spectrum modal period. The results showed that, although the floating columns play an important role in architectural divisions or in multi-use buildings, but it affected the stiffness of the building negatively that led to increasing of the story lateral displacement and drift, also it led to increasing of modal time period. This mostly led to using a more stiffness lateral resisting system and eventually increasing the building’s structural costs.},
     year = {2021}
    }
    

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    T1  - Dynamic Analysis of a Multistory Frame RC Building with and Without Floating Columns
    AU  - Ahmed Ibrahim
    AU  - Hamed Askar
    Y1  - 2021/11/10
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    N1  - https://doi.org/10.11648/j.ajce.20210906.11
    DO  - 10.11648/j.ajce.20210906.11
    T2  - American Journal of Civil Engineering
    JF  - American Journal of Civil Engineering
    JO  - American Journal of Civil Engineering
    SP  - 177
    EP  - 185
    PB  - Science Publishing Group
    SN  - 2330-8737
    UR  - https://doi.org/10.11648/j.ajce.20210906.11
    AB  - This paper tends to evaluate the behavior of five- story RC building with and without floating columns using RC frames as lateral resisting system. This investigation had been carried-out using ETABS Ultimate V.18.1.1. The defined load cases, load combinations, the equivalent static lateral load pattern, and the response spectrum function were defined according ASCE7-16. The design criteria were set to be according to ACI 318-14. Eleven cases were proposed to investigate this behavior. One case was the building without floating columns. Nine cases were the building with different floating column schemes and the final case was the building with floating columns and another lateral resisting system (shear walls) for comparison purpose. Further comparisons of the results for all models are executed on the basis of parameters such as, story displacement, story drift, story stiffness, and response spectrum modal period. The results showed that, although the floating columns play an important role in architectural divisions or in multi-use buildings, but it affected the stiffness of the building negatively that led to increasing of the story lateral displacement and drift, also it led to increasing of modal time period. This mostly led to using a more stiffness lateral resisting system and eventually increasing the building’s structural costs.
    VL  - 9
    IS  - 6
    ER  - 

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Author Information
  • Civil Engineering Department, Delta University for Science and Technology, Gamasa City, Egypt

  • Structural Concrete, Structural Engineering Department, University of Mansoura, Mansoura, Egypt

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