Multi-objective design optimization of steel moment frames considering seismic collapse safety
Sign Up to like & getrecommendations! Published in 2019 at "Engineering with Computers"
DOI: 10.1007/s00366-019-00886-y
Abstract: This study focuses on multi-objective performance-based seismic optimization of steel moment frames by an efficient algorithm. In the present study, an efficient framework is developed to find a Pareto front for multi-objective optimization problem of… read more here.
Keywords: steel moment; moment frames; multi objective; optimization ... See more keywords
Numerical model for 3D steel moment frames with H-shaped beams and hollow-section columns under multi-directional seismic ground motions
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2021.112730
Abstract: Abstract In Japan, steel moment frames comprising H-shaped beams and square hollow-section columns with through diaphragms are often used for low- to middle-rise building structures. The column overdesign factor—strength ratio between columns and beams—is specified… read more here.
Keywords: steel moment; moment frames; numerical model; ground ... See more keywords
General Substitute Frame Model (GSF) for efficient estimation of seismic demands of steel and RC moment frames
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DOI: 10.1016/j.engstruct.2021.113031
Abstract: Abstract This paper proposes an approach to simplify 2D moment-resisting frames (with equal or non-equal bay lengths) to an equivalent single-bay framed MDOF model. This model, named the General Substitute Frame (GSF), is a promising… read more here.
Keywords: model; moment; moment frames; substitute frame ... See more keywords
The Effects of Viscous Damping Modeling Methods on Seismic Performance of RC Moment Frames Using Different Nonlinear Formulations
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DOI: 10.1016/j.istruc.2018.07.009
Abstract: Abstract Nonlinear response history analysis, contributing to seismic performance assessment, is a constructive tool for evaluating buildings' behavior and damages due to the earthquake. Applying an accurate viscous damping model constitutes a crucial part in… read more here.
Keywords: viscous damping; moment frames; damping modeling; performance ... See more keywords
Column splice fracture effects on the seismic performance of steel moment frames
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Constructional Steel Research"
DOI: 10.1016/j.jcsr.2017.06.013
Abstract: Abstract The influence of welded column splice fracture on the seismic response of steel moment frames is examined. The study is motivated by pre-Northridge moment frames with welded column splices with crack-like flaws that are… read more here.
Keywords: splice fracture; response; fracture; moment frames ... See more keywords
Influence of earthquake duration on the response of steel moment frames
Sign Up to like & getrecommendations! Published in 2018 at "Soil Dynamics and Earthquake Engineering"
DOI: 10.1016/j.soildyn.2018.08.027
Abstract: Abstract The influence of ground motion duration on the seismic response of steel moment frames is examined is this paper, with due consideration for cyclic degradation effects. A set of 77 spectrally equivalent pairs of… read more here.
Keywords: response; steel moment; moment frames; duration ... See more keywords
Performance Evaluation of Special RC Moment Frames against Collapse Considering Soil–Structure Interaction
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Geomechanics"
DOI: 10.1061/(asce)gm.1943-5622.0001553
Abstract: AbstractIn this paper the study of FEMA-P695 on collapse performance of moment frames is extended to take soil–structure interaction into account. Special reinforced concrete moment frames being 4,... read more here.
Keywords: moment; structure interaction; moment frames; performance ... See more keywords
Developing Representative Dual Loading Protocols for the Columns of Steel Special Moment Frames based on the Seismic Demands on These Members
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Earthquake Engineering"
DOI: 10.1080/13632469.2016.1211564
Abstract: The column members of steel moment frames undergo high axial forces as well as inelastic rotations during a severe seismic event. The boundaries of these simultaneous structural demands on the columns of special moment frames… read more here.
Keywords: loading protocols; special moment; moment frames; loading ... See more keywords
Multi-objective optimisation of steel moment frames subjected to blast
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Structural Engineering"
DOI: 10.1504/ijstructe.2019.10022939
Abstract: In recent decades, terrorist attacks have been increased all over the world. For this reason, the design of blast resistant structures is very crucial. On the other hand, for decades the optimum design of structures… read more here.
Keywords: blast; objective optimisation; steel moment; moment frames ... See more keywords
Predicting Seismic Collapse Safety of Post-Fire Steel Moment Frames
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DOI: 10.3390/buildings13041091
Abstract: This paper summarizes a study focused on evaluating the post-fire performance of steel Intermediate Moment Frames (IMFs) following earthquakes. To this aim, archetypes comprising 3-bay IMFs with three different heights were seismically designed, and their… read more here.
Keywords: steel; moment frames; post fire; fire ... See more keywords