A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Seismic performance quantification of buckling-restrained braced RC frame structures under near-fault ground motions
Highlights The seismic behavior of BRB-RCFs under near-fault ground motions are investigated. The effect of BRB-resisted story shear ratio on seismic response is quantified. The relationship between the design and actual story shear ratio is built. The design BRB-resisted story shear ratios is suggested.
Abstract The near-fault ground motion records with forward directivity (FS) and fling-step (FS) effects are characterized by the obvious velocity-pulses which will impose high seismic energy input to the building structures. The buckling-restrained braces (BRB) are one of the most commonly adopted lateral-force resisting and energy-dissipating components and BRBs are increasing configured in reinforced concrete (RC) frame structures to form a dual structural system (BRB-RCF). This paper presents the seismic performance quantification of BRB-RCFs subjected to near-fault ground motions with FD and FS effects. Suits of BRB-RCFs corresponding to different story numbers, BRB-resisted story shear ratios and BRB configuration types (single diagonal, inverted-V and V-type), were designed using the performance-based plastic design method. Three sets of 36 near-fault ground motions with FS, FD and non-pulse effects were selected. The seismic response including the maximum interstory drift ratio, floor acceleration, BRB ductility, BRB-resisted actual story shear ratio, etc., were investigated. Furthermore, the actual BRB-resisted story shear ratio was quantified and the design BRB-resisted story shear ratio was suggested. The analytical results can provide significant insights to the behavior quantification of BRB-RCFs when subjected to near-fault ground motions.
Seismic performance quantification of buckling-restrained braced RC frame structures under near-fault ground motions
Highlights The seismic behavior of BRB-RCFs under near-fault ground motions are investigated. The effect of BRB-resisted story shear ratio on seismic response is quantified. The relationship between the design and actual story shear ratio is built. The design BRB-resisted story shear ratios is suggested.
Abstract The near-fault ground motion records with forward directivity (FS) and fling-step (FS) effects are characterized by the obvious velocity-pulses which will impose high seismic energy input to the building structures. The buckling-restrained braces (BRB) are one of the most commonly adopted lateral-force resisting and energy-dissipating components and BRBs are increasing configured in reinforced concrete (RC) frame structures to form a dual structural system (BRB-RCF). This paper presents the seismic performance quantification of BRB-RCFs subjected to near-fault ground motions with FD and FS effects. Suits of BRB-RCFs corresponding to different story numbers, BRB-resisted story shear ratios and BRB configuration types (single diagonal, inverted-V and V-type), were designed using the performance-based plastic design method. Three sets of 36 near-fault ground motions with FS, FD and non-pulse effects were selected. The seismic response including the maximum interstory drift ratio, floor acceleration, BRB ductility, BRB-resisted actual story shear ratio, etc., were investigated. Furthermore, the actual BRB-resisted story shear ratio was quantified and the design BRB-resisted story shear ratio was suggested. The analytical results can provide significant insights to the behavior quantification of BRB-RCFs when subjected to near-fault ground motions.
Seismic performance quantification of buckling-restrained braced RC frame structures under near-fault ground motions
Du, Ke (author) / Cheng, Feng (author) / Bai, Jiulin (author) / Jin, Shuangshuang (author)
Engineering Structures ; 211
2020-02-26
Article (Journal)
Electronic Resource
English
Behaviour factor of buckling restrained braced structures for near and far fault ground motions
| British Library Online Contents | 2015
Behaviour factor of buckling restrained braced structures for near and far fault ground motions
| British Library Online Contents | 2015
Behavior of a Buckling-Restrained Braced Frame Subjected to Near-Field Ground Motions
| British Library Conference Proceedings | 2006
Behavior of a buckling-restrained braced frame subjected to near-field ground motions
| British Library Conference Proceedings | 2006