Investigation the Performance of Irregular Steel Moment-Resisting Frame Structure under the Progressive Collapse Using nonlinear Static and Dynamic Methods

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Mehdizadeh Kourosh; Afraei Mostafa; Sadeghi Abbasali; Hashemi Seyede Vahide

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Journal Paper

Paper Information

Journal: JOURNAL OF NEW APPROACHES IN CIVIL ENGINEERING Year:2020 | Volume:4 | Issue:2 Page(s): 23-47

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Title

Investigation the Performance of Irregular Steel Moment-Resisting Frame Structure under the Progressive Collapse Using nonlinear Static and Dynamic Methods

Author(s)

Mehdizadeh Kourosh | Afraei Mostafa | Sadeghi Abbasali | Hashemi Seyede Vahide | Issue Writer Certificate

Keywords

Progressive Collapse

Damage Index

Irregular Structure

Steel Moment-Resisting Frame

Nonlinear Static Analysis

Nonlinear Dynamic Analysis

Abstract

This study investigates the magnitude of Damage Index in Irregular Structure under the impact of Progressive Collapse base on measuring values of Damage Index with considering nonlinear material behavior and geometrical nonlinearity in static and dynamic methods. Progressive Collapse in every element and magnitude of influences of column location in Damage Index for every element were investigated. The main aim of this study is how Progressive Collapse by removing a column effects on Damage Index of bearing element. For this reason, impacts of Progressive Collapse in steel structure and also removed column location in this structure were surveyed. A four story building with moment frames and irregular plans is chosen for investigation. Loading were conducted base on 6th issue of the national building regulations of Iran and 2800-Standard. Designing of structure was done base on 10th issue of the national building regulations of Iran and ETABS software. In second step, designed structure was simulated in ABAQUS software and with considering nonlinear material behaviour and geometrical Nonlinearity under load combination which proposed by GSA analysed in static and dynamic methods. In static approach, the ultimate capacity of structure under removing every column were checked by using pushdown curve. Based on results it was seen that the corner column had the maximum failure potentially. In the next step structural responses to Progressive Collapse under present loadings were studying by nonlinear dynamic analyse in diverse column removing scenarios. Values of displacements in top of removing column and proportional of maximum rotation of every beam end node in critical region to yield rotation are investigated. The result is exactly in accordance with static results.

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APA: Copy

Mehdizadeh, Kourosh, Afraei, Mostafa, Sadeghi, Abbasali, & Hashemi, Seyede Vahide. (2020). Investigation the Performance of Irregular Steel Moment-Resisting Frame Structure under the Progressive Collapse Using nonlinear Static and Dynamic Methods. JOURNAL OF NEW APPROACHES IN CIVIL ENGINEERING, 4(2 ), 23-47. SID. https://sid.ir/paper/771759/en

Vancouver: Copy

Mehdizadeh Kourosh, Afraei Mostafa, Sadeghi Abbasali, Hashemi Seyede Vahide. Investigation the Performance of Irregular Steel Moment-Resisting Frame Structure under the Progressive Collapse Using nonlinear Static and Dynamic Methods. JOURNAL OF NEW APPROACHES IN CIVIL ENGINEERING[Internet]. 2020;4(2 ):23-47. Available from: https://sid.ir/paper/771759/en

IEEE: Copy

Kourosh Mehdizadeh, Mostafa Afraei, Abbasali Sadeghi, and Seyede Vahide Hashemi, “Investigation the Performance of Irregular Steel Moment-Resisting Frame Structure under the Progressive Collapse Using nonlinear Static and Dynamic Methods,” JOURNAL OF NEW APPROACHES IN CIVIL ENGINEERING, vol. 4, no. 2 , pp. 23–47, 2020, [Online]. Available: https://sid.ir/paper/771759/en

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