دوره 11، شماره 4 - ( 8-1400 )                   جلد 11 شماره 4 صفحات 562-547 | برگشت به فهرست نسخه ها

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Talebpour M, Abasabadaraby Y. OPTIMIZATION OF STEEL FRAMES WITH RELIABILITY CONSTRAINT UNDER THE EFFECT OF FIRE LOAD USING COLLIDING BODIES OPTIMIZATION ALGORITHM. International Journal of Optimization in Civil Engineering 2021; 11 (4) :547-562
URL: http://ijoce.iust.ac.ir/article-1-490-fa.html
OPTIMIZATION OF STEEL FRAMES WITH RELIABILITY CONSTRAINT UNDER THE EFFECT OF FIRE LOAD USING COLLIDING BODIES OPTIMIZATION ALGORITHM. عنوان نشریه. 1400; 11 (4) :547-562

URL: http://ijoce.iust.ac.ir/article-1-490-fa.html


چکیده:   (5465 مشاهده)
In recent decades, steel was used more than other materials in structural engineering. However, the safety of high-heat steel structures dramatically decreased, due to steel mechanical properties. Therefore, the design process should be done in a way that the structure has the required resistance at high temperatures and during the fire, according to the effect of heat on the performance of steel structures. In this study, the optimal design process of steel structures is considered under the fire load. In the optimal design process, the failure risk of the structure members is considered as a constraint. Therefore, the optimization process requires thermal and structural reliability analysis. A parametric model has been used to analyse the reliability of the structure in the fire limit state. The optimization process is also performed based on the Colliding Bodies Optimization (CBO) algorithm. In order to evaluate the optimal design process, 3 and 6-floors frames have been investigated. The results showed that the members' condition is effective in the structural resistance for the thermal loading. On the contrary, the structure design based on the reliability under the fire load provides a proper prediction from the behaviour of the structure and satisfies the requirements for the common state of design.
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نوع مطالعه: پژوهشي | موضوع مقاله: Optimal design
دریافت: 1400/8/23 | پذیرش: 1400/8/28 | انتشار: 1400/8/28

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