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Analysis of Shear Wall Systems Using Plane Stress Elements

  • Sohrab Sepehrnia
  • Hossein RahamiEmail author
  • Mohammad Mirhosseini
  • Ehsanollah Zeighami
Research Paper
  • 5 Downloads

Abstract

Finite element method takes advantage of robust methodology or analysis of different types of structures, particularly the tall buildings. Accordingly, a number of displacement and strain-based finite element approaches have been developed in various fields of civil engineering. However, many lower-order finite element methods still encounter analytical drawbacks dealing with analysis of tall buildings. The absence of an appropriate in-plane rotational stiffness in some of the lower-order finite element analysis methods and the existence of parasitic shear effects in the governing displacement functions are counted as the most effective factors which are likely to emerge within analysis of tall buildings. In this respect, finite element approach is presented in this paper, which is capable of incorporating the stiffness of all lateral load-resisting systems. Furthermore, as the horizontal strains are ignored in all elevation levels of the element, a uniform lateral displacement pattern is obtained for the proposed panel element. This panel-type element is a strain-based element including eight degrees of freedom which has been formulated according to the general behaviour of beam element. Consequently, in order to validate the accuracy and efficiency of the proposed approach, a number of numerical analyses are performed.

Keywords

Tall Building Strain-based finite element method In-plane rotation Coupling effect 

Notes

Acknowledgements

Hossein Rahami is grateful to the University of Tehran for this research under Grant No. 27938/01/20.

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Copyright information

© Shiraz University 2019

Authors and Affiliations

  1. 1.School of Engineering Science, College of EngineeringUniversity of TehranTehranIran
  2. 2.Department of Civil Engineering, Arak BranchIslamic Azad UniversityArākIran

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