Volume 13, Issue 1 (Under Construction 2023)                   2023, 13(1): 39-53 | Back to browse issues page

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Mohammadhosseini S, Gholizadeh S. SEISMIC RELIABILITY ASSESSMENT OF OPTIMALLY DESIGNED STEEL CONCENTIRCALLY BRACED FRAMES. International Journal of Optimization in Civil Engineering 2023; 13 (1) :39-53
URL: http://ijoce.iust.ac.ir/article-1-540-en.html
Abstract:   (101 Views)
The main aim of this study, is to evaluate the seismic reliability of steel concentrically braced frame (SCBF) structures optimally designed in the context of performance-based design. The Monte Carlo simulation (MCS) method and neural network (NN) techniques were utilized to conduct the reliability analysis of the optimally designed SCBFs. Multi-layer perceptron (MLP) trained by back propagation technique was used to evaluate the required structural responses and then the total exceedence probability associated with the seismic performance levels was estimated by the MCS method. Three numerical examples of 5-, 10-, and 15-story SCBFs with fixed and optimal topology of braces are presented and their probability of failure was evaluated considering the resistance characteristics and the seismic loading of the structures. The numerical results indicate that the SCBFs with optimal topology of braces were more reliable than those with fixed topology of braces.  
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Type of Study: Research | Subject: Optimal design
Received: 2022/11/20 | Accepted: 2022/11/19 | Published: 2022/11/19

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