Enhance seismic performance of self-centering concentrically braced frames by using hybrid systems
Sign Up to like & getrecommendations! Published in 2020 at "Bulletin of Earthquake Engineering"
DOI: 10.1007/s10518-020-00851-x
Abstract: This study presents a new strategy to enhance the seismic performance of self-centering concentrically braced frames (SCCBFs). A hybrid strategy, which combines a SCCBF with a moment-resisting frame or buckling-restrained-braced frame, is first investigated, which… read more here.
Keywords: performance self; centering concentrically; enhance seismic; concentrically braced ... See more keywords
Shake-table testing of a self-centering precast reinforced concrete frame with shear walls
Sign Up to like & getrecommendations! Published in 2018 at "Earthquake Engineering and Engineering Vibration"
DOI: 10.1007/s11803-018-0436-y
Abstract: The seismic performance of a self-centering precast reinforced concrete (RC) frame with shear walls was investigated in this paper. The lateral force resistance was provided by self-centering precast RC shear walls (SPCW), which utilize a… read more here.
Keywords: centering precast; frame shear; shear walls; self centering ... See more keywords
In-plane flexural response of self-centering masonry walls (SMWs)
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DOI: 10.1007/s43452-021-00215-5
Abstract: This paper reports on a comprehensive research on the performance of self-centering masonry walls (SMWs). A summary of an experimental study is presented. Finite element (FE) study was performed and verified against experimental results to… read more here.
Keywords: walls smws; self centering; smws; centering masonry ... See more keywords
Performance-based plastic design approach for multi-story self-centering concentrically braced frames using SMA braces
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DOI: 10.1016/j.engstruct.2017.10.068
Abstract: Abstract Self-centering concentrically braced frames (SCCBFs) are emerging as one of the high performance seismically resistant framing systems, known for the capability of controlling peak seismic demands and eliminating residual deformation. In the process of… read more here.
Keywords: story; design approach; performance; self centering ... See more keywords
Nonlinear displacement ratio for seismic design of self-centering buckling-restrained braced steel frame considering trilinear hysteresis behavior
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DOI: 10.1016/j.engstruct.2017.12.026
Abstract: Abstract Self-centering buckling-restrained braced steel frames (SCBRBFs) have drawn increasing attention due to the resilience of this kind of structural system in post-earthquake repair. Constant-strength reduction factor (constant-R) inelastic displacement ratio (CR) can be used… read more here.
Keywords: hysteresis; ratio; displacement; self centering ... See more keywords
Development and experimental study of a self-centering variable damping energy dissipation brace
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DOI: 10.1016/j.engstruct.2018.01.051
Abstract: Abstract A new self-centering variable damping energy dissipation (SC–VDED) brace is proposed to reduce the activation force and sudden change in stiffness after activation of self-centering energy dissipation braces. The brace uses the combination disc… read more here.
Keywords: brace; energy; energy dissipation; variable damping ... See more keywords
Experimental and numerical investigation of jointed self-centering concrete walls with friction connectors
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DOI: 10.1016/j.engstruct.2018.02.028
Abstract: Abstract A jointed self-centering (SC) concrete wall system with friction connectors is proposed, in which the precast concrete wall panels are assembled through unbonded posttensioning (PT) tendons to provide self-centering capacity, and friction connectors at… read more here.
Keywords: friction connectors; centering concrete; jointed self; friction ... See more keywords
Seismic performance evaluation of self-centering K-type and D-type eccentrically braced frame systems
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DOI: 10.1016/j.engstruct.2019.01.087
Abstract: Abstract This paper presents a numerical study of steel self-centering eccentrically braced frame (SCEBF) buildings subjected to seismic excitation. This study aims to investigate the nonlinear seismic system behavior of two types of SCEBF systems… read more here.
Keywords: self centering; eccentrically braced; braced frame; study ... See more keywords
Initial stiffness of self-centering systems and application to self-centering-beam moment-frames
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DOI: 10.1016/j.engstruct.2019.109890
Abstract: Abstract There has been considerable development of self-centering seismic force resisting systems in the past few decades, many of which incorporate gap opening mechanisms. Experiments on these self-centering systems often result in an initial stiffness… read more here.
Keywords: stiffness; flexibility; centering systems; initial stiffness ... See more keywords
Seismic design of three damage-resistant reinforced concrete shear walls detailed with self-centering reinforcement
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DOI: 10.1016/j.engstruct.2020.110277
Abstract: Abstract Recent studies have shown that the innovative shear walls detailed with a type of self-centering reinforcement and fiber reinforced concrete are effective in reducing the permanent displacement and concrete damage compared to conventional concrete… read more here.
Keywords: steel; wall; innovative walls; shear walls ... See more keywords
Experimental investigation of self-centering steel reinforced concrete coupled wall panels with replaceable energy dissipaters
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DOI: 10.1016/j.engstruct.2020.110473
Abstract: Abstract Resilience of structures is already the new issue and challenge in the field of earthquake engineering. In order to enhance the restorability of concrete wall panels and further use them in steel moment frames,… read more here.
Keywords: energy; self centering; energy dissipaters; steel ... See more keywords