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ISSN: 2321-9653
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Ijraset Journal For Research in Applied Science and Engineering Technology

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Seismic Analysis of Steel Building with Bracing

Authors: Ms. Aradhya Anna Alex, Ms. Chaithra S

DOI Link: https://doi.org/10.22214/ijraset.2022.45381

Certificate: View Certificate

Abstract

As we know that construction of steel buildings is popular nowadays. To protect buildings from earthquake by providing bracings are very common. Bracing help to resist the lateral load during earthquake. Bracings are providing in structure at various configuration. This paper illustrates the effect of new bracing configuration with existing x bracing configuration. The seismic analysis of the structure has been carried out using ETABS Software.

Introduction

I. INTRODUCTION

Earth quakes are the natural phenomenon’s which are caused by the release of large strain energy by the moving faults below the surface of the earth, which ultimately causes the shaking of the earth top surface in all possible directions with different amplitudes and intensities of lateral forces. In case of steel structure to resist the lateral force and increase the stiffness of steel frame, so bracings play very vital role. Bracing will make the structure indeterminate. Its stiffness the structure and also helps to resist the sway of the structure.

Common reason for providing bracing on steel building is to control the buckling, increase the stiffness and to resist lateral load. In steel building there is a chance of buckling by providing bracing the buckling and stiffness of the structure can be improved to a limit. So here bracing with different configuration are provided in regular and irregular building to know the performance of the building.

A. Bracing

Bracing systems helps to evenly distribute load and increase the safety of the structure. Bracing types-Single diagonal, Cross Bracing, K-bracing, V- bracing.

B. Frame With Bracing Configuration

Here in my study, I took an already existing x bracing configuration to done a comparative study on new configuration ie crisscross

Configuration to know the effectiveness.

Conclusion

On the bases of present study following result has been constructed: 1) A proper lateral load resisting system is required to increase lateral strength and stiffness of high-rise buildings. 2) In present study two types of bracing ie. X-bracing and crisscross bracing are used as a lateral load resisting system which reduced lateral displacement from 196.7 mm in bare frame to 23.4 mm, but increased base shear from 1056 KN to 1683 KN which is not a desirable situation. 3) In overall comparison of bare frame and bracing system, frame provided with crisscross bracing configuration has good structural performance as compare to other systems.

References

[1] Chen Wang, Alina Rudman, Robert Tremblay and Colin A. Rogers (2021) “Numerical investigation into I-shape brace connections of conventional concentrically braced frames” Elsevier, Engineering Structure, Vol 236 [2] D. Trutalli, L. De Stefani, L. Marchi, R. Scoti (2019) \"Seismic capacity of steel frames braced with cross-concentric rectangular plates: Non-linear analyses\", Journal of Constructional Steel Research, vol. 161, issue 143, pp. 128-136. [3] Scker, O., Faytaroun, M., Aibas, B. Shen, J(2019) \"A novel performance-enhancing technique for concentrically braced frames incorporating square HSS\", Engineering Structures, vol 201. issue 109, pp. 800-834. [4] M. Naghavi, R. Rahmavard, R. J. Thomas, M. Malekinejad.(2019) \"Numerical evaluation of the hysteretic behavior of concentrically braced frames and buckling restrained brace frame systems“, Journal of Building Engineering, vol 22, issue 2352, pp. 415-428 [5] M. Boostani, O. Rezaifar, M. Gholhaki,(2018) \"Introduction and seismic performance investigation of the proposed lateral bracing system called \"OGrid\". Archives of Civil and Mechanical Engineering (Science Direct), vol 18, issue 4, pp. 1024-1041 [6] Chen, C.H., H. H. K(2017) \"Evaluation of loading sequences on testing capacity of concentrically braced frame structures”, Journal of Constructional Steel Research, vol 130,issue 7, pp.1-11 [7] B.Anjaneyulu, K. Jaya Prakash(2016) “Analysis and Design of Flat Slab by Using Etabs Software “International Journal of Science Engineering and Advance Technology, Vol. 4 [8] AnujaWalvekar, H.S.Jadhav.(2015) “Parametric Study of Flat Slab Building with and Without Shear Wall to Seismic Performance” Volume: 04 [9] Mohammed Idrees Khan, Mr. Khalid Nayaz Khan (2014) “Seismic Analysis of Steel Frame with Bracings using Pushover Analysis” International Journal of Advanced Technology in Engineering and Science Volume No.02 [10] Umesh.R.Biradar, ShivarajMangalgi(2013) “Seismic Response of Reinforced Concrete Structure by using Different Bracing Systems” International Journal of Research in Engineering and Technology, Volume: 03 [11] IS 456:2000 “Indian Standard Code of practice for Plain and Reinforced Concrete”, Bureau of Indian Standards, New Delhi, India

Copyright

Copyright © 2022 Ms. Aradhya Anna Alex, Ms. Chaithra S. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

ijraset45381

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Authors : ARADHYA ANNA ALEX

Paper Id : IJRASET45381

Publish Date : 2022-07-06

ISSN : 2321-9653

Publisher Name : IJRASET

DOI Link : Click Here

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International Journal for Research in Applied Science and Engineering Technology (IJRASET) is an international peer reviewed, online journal published for the enhancement of research in various disciplines of Applied Science & Engineering Technologies.

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