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SENSITIVITY ANALYSIS OF DIFFERENT SHELL ELEMENTS FOR RC SHEAR WALLS

Credit to Download: 1 | Page Numbers 8 | Abstract Views: 82
Year: 2019
COI code: NCCE11_006
Paper Language: English

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Authors SENSITIVITY ANALYSIS OF DIFFERENT SHELL ELEMENTS FOR RC SHEAR WALLS

  Mohsen Tehranizadeh - Professor, Department of civil engineering, Amirkabir University of Technology, Tehran, Iran
  Arsam Taslimi - Graduate Student of Earthquake Engineering, Amirkabir University of Technology, Tehran, Iran
  MohammadReza Shamlu - Graduate Student of Earthquake Engineering, Amirkabir University of Technology, Tehran, Iran

Abstract:

Accurate seismic evaluation of buildings requires appropriate nonlinear models in order to capture all possible behaviors of structural elements under different loading conditions. To this aim, various research has been done, and abundance of models have been introduced as well. Notwithstanding the multiplicity of these models, most of them have deficiencies in precise simulating the structural behavior. Thus, the accuracy of a model must be investigated thoroughly to ensure the reliability of the analysis results. At present, the best methodology to scrutinize the capability of the nonlinear models is to verify the model with the results of an existing experiment and performing sensitivity analyses afterwards. This paper focuses on this procedure by comparing three different shell elements which are already developed for RC shear walls in the platform of OpenSEES. The shake-table test of a full-scale 7-Story building slice tested at UC–San Diego is also employed for models verification. Parameters including mesh size, damping type, and concrete shear retention factor (SRF) were investigated through the nonlinear time-history (NTH) and non-linear static analyses (NSA). It is worth noting that changing these parameters have substantial influence in some cases and therefore appropriate value for each of them must be meticulously selected. The results indicate that the RC shear wall shell models are in an acceptable agreement with the test results.

Keywords:

Sensitivity Analysis, Shell Element, RC Shear Wall, Nonlinear Analysis, Pushover Analysis, Damping Effect

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COI code: NCCE11_006

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Tehranizadeh, Mohsen; Arsam Taslimi & MohammadReza Shamlu, 2019, SENSITIVITY ANALYSIS OF DIFFERENT SHELL ELEMENTS FOR RC SHEAR WALLS, Eleventh National Congress on Civil Engineering, شيراز, دانشگاه شيراز, https://www.civilica.com/Paper-NCCE11-NCCE11_006.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Tehranizadeh, Mohsen; Arsam Taslimi & MohammadReza Shamlu, 2019)
Second and more: (Tehranizadeh; Taslimi & Shamlu, 2019)
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The University/Research Center Information:
Type: state university
Paper No.: 19662
in University Ranking and Scientometrics the Iranian universities and research centers are evaluated based on scientific papers.

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