Investigation the effect of structural parameters uncertainty on the response of incremental dynamic analysis of intermediate steel moment resisting frame structures

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barzian v.; MOTAGHED S.; MEHRABI MOGHADDAM A.; ASGHARI PARI S.A.; Emadali l.

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Journal Paper

Paper Information

Journal: JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING Year:2023 | Volume:9 | Issue:10 Page(s): 175-195

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Information Journal Paper

Title

Investigation the effect of structural parameters uncertainty on the response of incremental dynamic analysis of intermediate steel moment resisting frame structures

Author(s)

Keywords

uncertainties

statistical distributions

Performance limit states

Monte Carlo simulations

structural fragility curve

Abstract

There are several sources of uncertainty in the analysis and design of steel moment resisting frames, the random assumption of each of which can have a significant effect on the satisfaction of performance requirements of the structure. Among these factors, structural parameters can be mentioned, the most important of which are yield stress, modulus of elasticity, sections geometry and structural mass. Evaluating the impact of these factors depends on how the parameters are distributed and modeled. In this study, three common types of uniform, normal and log normal distributions for the parameters of mass structures, yield stress, modulus of elasticity and sections geometry that are random in nature are considered and using Monte Carlo method, the effect of uncertainty of these parameters is considered. The seismic performance of steel structures is investigated. Studies are performed on 4 structures of 3, 5, 10 and 15 floors of steel moment resisting frames with medium ductility, which are designed according to Iranian regulations. In order to model the structures and perform incremental dynamic analysis, Open Sees software was used. In order to evaluate the seismic performance of the structures, fragility curves were used. The results show that the type of distribution does not have a significant effect on the results of applying uncertainties. It is also observed that considering the mass uncertainty, increases the acceleration range in the Collapse Prevention (CP) and life safety (LS), which shows the significant effect of mass uncertainty compared to other parameters.

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APA: Copy

barzian, v., MOTAGHED, S., MEHRABI MOGHADDAM, A., ASGHARI PARI, S.A., & Emadali, l.. (2023). Investigation the effect of structural parameters uncertainty on the response of incremental dynamic analysis of intermediate steel moment resisting frame structures. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, 9(10 ), 175-195. SID. https://sid.ir/paper/1033893/en

Vancouver: Copy

barzian v., MOTAGHED S., MEHRABI MOGHADDAM A., ASGHARI PARI S.A., Emadali l.. Investigation the effect of structural parameters uncertainty on the response of incremental dynamic analysis of intermediate steel moment resisting frame structures. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING[Internet]. 2023;9(10 ):175-195. Available from: https://sid.ir/paper/1033893/en

IEEE: Copy

v. barzian, S. MOTAGHED, A. MEHRABI MOGHADDAM, S.A. ASGHARI PARI, and l. Emadali, “Investigation the effect of structural parameters uncertainty on the response of incremental dynamic analysis of intermediate steel moment resisting frame structures,” JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, vol. 9, no. 10 , pp. 175–195, 2023, [Online]. Available: https://sid.ir/paper/1033893/en

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