Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Ductile Fuse Connectors for Hybrid Masonry Systems
The National Science Foundation is funding hybrid masonry research to investigate the seismic strength, behavior, and performance of structural steel frames braced with hybrid masonry. One aspect of the research is a sub-study performed at the University of Hawaii at Manoa (UHM) to investigate the strength and behavior of steel connector plates that transfer story shears from the structural steel frame to the masonry panels. Results of this sub-study were then used in large-scale testing at the University of Illinois at Urbana-Champaign (UIUC). The primary goal of the study was to determine whether the connector plates can be developed as ductile fusible links for the overall system under seismic events. This paper presents the results of a series of experiments performed in the structures laboratory at UHM. Details of the experiments are summarized and sample results are presented that illustrate expected behavior of the connector plates, bolts and masonry for the large-scale experiments performed at UIUC. Some connectors were designed as link plates with sufficient strength to transfer full story shears to masonry panels without yielding, whereas other connectors were designed to behave as energy dissipating ductile fuses. These fuse plates will absorb most of the seismic deformation, thereby protecting the masonry and steel frame elements from damage. The fuses can then be replaced after the earthquake to restore the hybrid masonry system to its original condition.
Ductile Fuse Connectors for Hybrid Masonry Systems
The National Science Foundation is funding hybrid masonry research to investigate the seismic strength, behavior, and performance of structural steel frames braced with hybrid masonry. One aspect of the research is a sub-study performed at the University of Hawaii at Manoa (UHM) to investigate the strength and behavior of steel connector plates that transfer story shears from the structural steel frame to the masonry panels. Results of this sub-study were then used in large-scale testing at the University of Illinois at Urbana-Champaign (UIUC). The primary goal of the study was to determine whether the connector plates can be developed as ductile fusible links for the overall system under seismic events. This paper presents the results of a series of experiments performed in the structures laboratory at UHM. Details of the experiments are summarized and sample results are presented that illustrate expected behavior of the connector plates, bolts and masonry for the large-scale experiments performed at UIUC. Some connectors were designed as link plates with sufficient strength to transfer full story shears to masonry panels without yielding, whereas other connectors were designed to behave as energy dissipating ductile fuses. These fuse plates will absorb most of the seismic deformation, thereby protecting the masonry and steel frame elements from damage. The fuses can then be replaced after the earthquake to restore the hybrid masonry system to its original condition.
Ductile Fuse Connectors for Hybrid Masonry Systems
Robertson, Ian (Autor:in) / Johnson, Gaur (Autor:in) / Mitsuyuki, Steven (Autor:in) / Aoki, James (Autor:in)
Structures Congress 2013 ; 2013 ; Pittsburgh, Pennsylvania, United States
Structures Congress 2013 ; 1159-1168
30.04.2013
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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