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Effect of Braced Core Location on the Behaviour of High Rise Steel Structure with Outrigger Subjected to Dynamic Loads by using ETABS

Author(s):

Kirankumar , Adichunchanagiri Institute of Technology, Chikkamagaluru; Shailaja, Adichunchanagiri Institute of Technology, Chikkamagaluru; Chethan V R, Adichunchanagiri Institute of Technology, Chikkamagaluru

Keywords:

ETABS, Outriggers, Steel, Structure

Abstract

A Steel Structure is generally a combination of different Steel Structural, which are designed to resist Gravity and Lateral loads, and also provide adequate Stability. Application of Steel Structures is found in almost all the construction sectors, which includes long span Structure like airport terminals, stadiums, exhibition centres, high rises buildings, manufacturing plants, tower and masts structures, portal frames, Bridges and Steel Structural members are used in Infrastructures and Agricultural Buildings and Building cranes. The different types of Bracing systems are provide at each Floor level which provides load paths to transfer horizontal forces to vertical frames, particularly to Columns where ultimately the forces will transfer to Ground level. High rise Steel moment resisting frame is considered for the Static and Dynamic analysis. Steel moment resisting frame are studied by incorporating outriggers and Steel braced Core. Braced core location is varied with respect to Centre of the building. Maximum lateral load resistance from braced core for particular location away from the Centre is found out. Equivalent Static and Dynamic Time history Analysis is carried out. From the analytical results and discussions it is concluded that Steel moment resisting frame with outrigger and braced core 10 m offset along negative Y direction can be recommended for the structure where shear core or braced core and outrigger systems cannot be provided at the centre of the structure. Also offset braced core steel structural systems are better in resisting the lateral force than that of conventional braced Core and outrigger system.

Other Details

Paper ID: IJSRDV5I60242
Published in: Volume : 5, Issue : 6
Publication Date: 01/09/2017
Page(s): 396-398

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