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Evaluating the Proper Damage Indexes of LSF Systems Using NonLinear Time History Analysis and AAN Approach

Credit to Download: 1 | Page Numbers 17 | Abstract Views: 456
Year: 2014
COI code: ICSAU02_0560
Paper Language: English

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Authors Evaluating the Proper Damage Indexes of LSF Systems Using NonLinear Time History Analysis and AAN Approach

  Hossein Mirza Aghabeik - M.S student of Structure, Department of Civil Engineering, Islamic Azad University, South Tehran Branch,Iran,
  Hamid Reza Vosughifar - Associated professor, Department of Civil Engineering, Islamic Azad University, South Tehran Branch, Iran

Abstract:

The Lightweight Steel Framing (LSF) system has been proposed as an economical system and earthquake resistant. Due to the lightness of LSF structures, the seismic performance of middle-rise buildings has been improved. Nowadays, various numerical-analytical methods have been proposed for seismic assessment of conventional structures. Providing a perfect seismic damage index is always regarded as one of the analytical passive points. In this research, a LSF building was selected as a case study for Finite Element (FE) modelling in which non-linear time-history analyses have been undertaken. Material properties were defined according to the performed experimental studies. A novel approach was presented for the seismic damage index of LSF systems using the simultaneous incorporation of the non-linear analysis results and the correction coefficient describing the seismic geotechnical effects. The presented seismic damage index indicates the seismic performance of the LSF structures well. Also, a two-layer perceptron Artificial Neural Network (ANN) was trained using the results of the FE model and a non-linear relationship was obtained to predict the seismic damage index. The proposed seismic damage index was finally validated using statistical analyses indicating that the proposed method does not show a significant difference as compared to the ANN results.

Keywords:

Light Steel Framing, Damage index, Finite element method, Non-linear Time-history analysis, Artificial Neural Network

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COI code: ICSAU02_0560

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Mirza Aghabeik, Hossein & Hamid Reza Vosughifar, 2014, Evaluating the Proper Damage Indexes of LSF Systems Using NonLinear Time History Analysis and AAN Approach, 2nd international congress of structure, architecture and urban development, تبريز, دبيرخانه دائمي كنگره بين المللي سازه ، معماري و توسعه شهري, https://www.civilica.com/Paper-ICSAU02-ICSAU02_0560.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: (Mirza Aghabeik, Hossein & Hamid Reza Vosughifar, 2014)
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Scientometrics

The University/Research Center Information:
Type: Azad University
Paper No.: 8862
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