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
A new methodology for energy-based seismic design of steel moment frames
Sign Up to like & getrecommendations! Published in 2017 at "Earthquake Engineering and Engineering Vibration"
DOI: 10.1007/s11803-017-0373-1
Abstract: A procedure is proposed whereby input and hysteretic energy spectra developed for single-degree-of-freedom (SDOF) systems are applied to multi-degree-of-freedom (MDOF) steel moment resisting frames. The proposed procedure is verified using four frames, viz., frame with… read more here.
Keywords: methodology; energy; steel moment; procedure ... See more keywords
Quantifying response variability of steel moment frames due to seismic uncertainties
Sign Up to like & getrecommendations! Published in 2019 at "Asian Journal of Civil Engineering"
DOI: 10.1007/s42107-019-00115-3
Abstract: Seismic uncertainties pose response estimation procedures with serious concerns about proper reflection of ground motion intensity measure (IM) and reasonable scaling of IM in a scenario-based study. The extent of response variability due to these… read more here.
Keywords: steel moment; seismic uncertainties; response; response variability ... See more keywords
Seismic design of self-centering viscous-hysteretic devices used for steel moment-resisting frames
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DOI: 10.1016/j.engstruct.2021.112369
Abstract: Abstract A force-based design (FBD) approach is proposed for steel moment-resisting frames (MRFs) with self-centering viscous-hysteretic devices (SC-VHDs) and numerical analysis is conducted on steel MRFs with SC-VHDs designed by the proposed FBD approach. The… read more here.
Keywords: steel; resisting frames; approach; steel moment ... See more keywords
Numerical model for 3D steel moment frames with H-shaped beams and hollow-section columns under multi-directional seismic ground motions
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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
Reliability-based design of steel moment frame structures isolated by lead-rubber bearing systems
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DOI: 10.1016/j.istruc.2019.06.020
Abstract: Abstract This paper puts forward a reliability-based approach to seismic design of steel moment frame structures isolated with lead-rubber bearing (LRB) devices. The system is modeled as an equivalent two-degree-of-freedom system in which the superstructure… read more here.
Keywords: steel moment; design; moment frame; reliability ... See more keywords
Dynamic progressive collapse of steel moment frames under different fire scenarios
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DOI: 10.1016/j.jcsr.2020.106256
Abstract: Abstract Dynamic mechanisms for progressive collapse of steel moment-resisting frames are studied under different durations of a column removal due to different fire scenarios. Development process of natural fire and gas temperature are modeled and… read more here.
Keywords: collapse steel; steel moment; steel; different fire ... See more keywords
Study of the seismic behavior of rigid and semi-rigid steel moment-resisting frames
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Constructional Steel Research"
DOI: 10.1016/j.jcsr.2021.106910
Abstract: Abstract Steel moment resisting frames are prevalent seismic force resisting systems that are used extensively in high seismic regions worldwide. New design procedures suggested by codes have resulted in extensive use of semi-rigid connections in… read more here.
Keywords: steel; resisting frames; moment; semi rigid ... See more keywords
Influence of earthquake duration on the response of steel moment frames
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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
The accuracy of fragility curves of the steel moment-resisting frames and SDOF systems
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DOI: 10.12989/scs.2021.39.3.243
Abstract: In the present paper, a Monte Carlo-based framework is developed to investigate the accuracy and reliability of analytical fragility curves of steel moment-resisting frames and simple SDOF systems. It is also studied how the effectiveness… read more here.
Keywords: moment resisting; fragility curves; steel moment; analysis ... See more keywords
Modeling of the lateral stiffness of masonry infilled steel moment-resisting frames
Sign Up to like & getrecommendations! Published in 2019 at "Structural Engineering and Mechanics"
DOI: 10.12989/sem.2019.70.4.421
Abstract: This paper presents an analytical model for the estimation of initial lateral stiffness of steel moment resisting frames with masonry infills. However, rather than focusing on the single bay-single storey substructure, the developed model attempts… read more here.
Keywords: resisting frames; lateral stiffness; stiffness; moment resisting ... See more keywords