Lateral Load Analysis of High-Rise RC Framed Building with and without RC Shear Walls

Considering the increase in the current construction process and the future needs of Iran, the necessity to use high-rise buildings for reduction in urbanization costs and optimal use of land will be inevitable in the future. The performance of steel plate shear wall system as a modern global system, which has an effective application in high-rise buildings and also brings economic benefits compared to previous systems, is evaluated in this study. Steel Plate Shear Walls (SPSW) are a new type of system resistant to wind and earthquake lateral loads, which dates back to the 1970s. In this research, eight samples of shear wall with various stiffening arrangements and sections with ST37 and ST52 alloys are modeled. To evaluate the nonlinear dynamic analysis, the samples are subjected to the San Fernando earthquake force and are modeled and analyzed by ABAQUS software based on the finite element theory. The results of analyzing the samples indicate better performance of the system with stiffener in both vertical and horizontal directions. Also, the use of sections with ST52 alloy has improved the performance of the shear wall by approximately 40%.

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Optimum Shape and Position of Outrigger System for High Rise Building under Earthquake Loading

International Journal of Innovative Technology and Exploring Engineering - Special Issue ◽

10.35940/ijitee.c8961.019320 ◽

2020 ◽

Vol 9 (3) ◽

pp. 3268-3275

Keyword(s):

Large Scale ◽

Load Condition ◽

Tall Buildings ◽

Shear Walls ◽

Optimum Shape ◽

Earthquake Loading ◽

High Rise ◽

High Rise Building ◽

Tall Structures ◽

Earthquake Load

The advancement of high rise building has been increasing on a large scale. In tall structures shear wall often resisted the lateral load induced by wind and earthquake but as the building height increases the stiffness of the structure reduces. To provide sufficient lateral stiffness of the structure implementation of outrigger system between the shear walls and peripheral columns is often used. The aim of this study is to identify the optimum shape of outrigger belt truss in tall buildings under earthquake load condition. A thirty storey with single belt truss, forty five storeys with two belt trusses and sixty storey with three belt trusses structure was investigated with three different shape outrigger belt truss that is X, V and N. The optimum location by providing single belt truss at 10th story, 15th story and at top story in thirty story building is considered in the analysis. From the analysis a comparative study are made with and without variation of shape of outrigger with belt truss with parameters likes storey displacement and storey drift under earthquake loading and get a optimum position of outrigger belt truss for thirty storey building with single belt trusses placing at different locations.

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Influence of Shear Wall on Seismic Response of a Structure

International Journal for Research in Applied Science and Engineering Technology ◽

10.22214/ijraset.2021.38129 ◽

2021 ◽

Vol 9 (9) ◽

pp. 1054-1060

Author(s):

Siddhesh Bisane

Keyword(s):

Structural Analysis ◽

Shear Walls ◽

Shear Wall ◽

Main Concern ◽

Structural Members ◽

Lateral Loads ◽

Comprehensive Understanding ◽

High Rise ◽

Story Drift ◽

Wall Following

Abstract: Structural analysis is the science of determining the effects of different loads on structures. Structural stability and stiffness are a main concern in any high-rise structures. Shear walls are structural members that are mainly responsible for resisting lateral loads predominant on structures. They are mainly responsible to increase the stiffness, reduce story drift and displacement. In order to have a comprehensive understanding about the contribution of shear wall, following research is carried out. This research involves comparing two G+16 structures; one without a shear wall and one with it. The structure has 4 bays of 3m each along X direction and Z direction. In this, we will see how shear wall resists lateral sway and reduces story drift and increases stiffness. As the height increases, the shear wall absorbs more lateral load than the frame. The software to be used for analysis is STAADPro. Keywords: STAADPro, Stiffness, storey displacement, storey drift.

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