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Seismic Behaviour of High Rise Building for Soft Soil in All Seismic Zones

Author(s):

Shaik Fayaz , JNTUA College of Engineering, Anantapur, India; Mrs. B.Ajitha, JNTUA College of Engineering, Anantapur, India

Keywords:

Seismic Design, Response Spectrum Method, Seismic Behavior, Infill Walls, Bracings, Lateral Structural Response, Dynamic Load, Base Shear, Stiffness

Abstract

A high rise residential building (tall building) design is governed by lateral loads, i.e. wind load, seismic load. Performance of structures under frequently occurring earth quake ground motions resulting in structural damages as well as failures have repeatedly demonstrated the seismic vulnerability of existing buildings, due to their design which based on only gravity loads or inadequate levels of lateral forces. Infills, Bracings systems are one of the most commonly used lateral load resisting systems in high rise buildings (HRB). This paper presents a comprehensive comparative study of the Dynamic loads and their effects on tall buildings using Response spectrum method. The results of the Structural response on various parameters such as storey drift, Structural lateral displacements, Base shear, Stiffness for Normal Building and different Load resisting systems have been compared and discussed. An analytical study on multi-Storey building of 30 stories was carried out for different seismic zones and soft soil type using different bracing systems i.e., X-brace, V-brace, inverted V or chevron brace and infills are introduced in these analytical models. These building models are analyzed using E Tabs 2015 software employing Response Spectrum method as per IS 1893 (Part I): 2002.

Other Details

Paper ID: IJSRDV3I60359
Published in: Volume : 3, Issue : 6
Publication Date: 01/09/2015
Page(s): 798-805

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