Study On Effective Bracing Systems for High Rise Steel Structures

International Journal of Civil Engineering

© 2015 by SSRG - IJCE Journal

Volume 2 Issue 2

Year of Publication : 2015

Authors : Adithya. M, Swathi rani K.S, Shruthi H K, Dr. Ramesh B.R

10.14445/23488352/IJCE-V2I2P103

How to Cite?

Adithya. M, Swathi rani K.S, Shruthi H K, Dr. Ramesh B.R, "Study On Effective Bracing Systems for High Rise Steel Structures," SSRG International Journal of Civil Engineering, vol. 2,  no. 2, pp. 19-20, 2015. Crossref, https://doi.org/10.14445/23488352/IJCE-V2I2P103

Abstract:

The resistance to the lateral loads from wind or from an earthquake is the reason for the evolution of various structural systems. Bracing system is one such structural system which forms an integral part of the frame. Such a structure has to be analysed before arriving at the best type or effective arrangement of bracing. This project is about the efficiency of using different types of bracings and with different steel profiles for bracing members for multi-storey steel frames. ETABS software is used to obtain the design of frames and bracing systems with the least weight and appropriate steel section selection for beams, columns and bracing members from the standard set of steel sections. A three dimensional structure is taken with 4 horizontal bays of width 4 meters, and 20 stories is taken with storey height of 3m. The beams and columns are designed to withstand dead and live load only. Wind load and Earthquake loads are taken by bracings. The bracings are provided only on the peripheral columns. Maximum of 4 bracings are used in a storey for economic purposes. In this study, an attempt has been made to study the effects of various types of bracing systems, its position in the building and cost of the bracing system with respect to minimum drift index and inter storey drift.

Keywords:

Bracing System; Tall Buildings; structural weight; lateral displacement.

References:

[1] Suresh  P  et.al.  (2012),  Influence  of  diagonal  braces  in  RCC  multi-storied  frames  under  wind  loads:  A  case  study,  International  Journal  of  Civil  and  Structural  Engineering, 3(1), pp 214-226.
[2] ETABS  nonlinear  Version  13.0 , Extended  3D  analysis  of  the  building  systems, Computer and Structures Inc., Berkeley, California, USA.
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[4] IS 800:2007, “General construction in steel – Code of practice Bureau of Indian standards, New Delhi”.
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[7] IS: 875(Part-2)- 1987 “Code of Practice for Design Loads (Other than Earthquake) buildings and structures”, Part-2 Imposed loads, Bureau of Indian Standards, New Delhi
[8]IS: 875(Part-3)- 1987 “Code of Practice for Design Loads (Other than Earthquake) buildings and structures”, Part-3 Wind loads, Bureau of Indian Standards, New Delhi.