Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Seismic experimental assessment of beam-through beam-column connections for modular prefabricated steel moment frames
Abstract This study proposes a beam-through moment-resisting joint for H-section (wide-flange) beams and columns that can be prefabricated and easily assembled onsite for low-rise and mid-rise steel structures. Three groups (six in total) of beam-through beam-column connections are designed and tested under quasi-static loading protocols. The output parameters include joints' deformation, failure mechanism, hysteretic behavior, backbone curves, bearing capacity, ductility, energy dissipation capacity, joint rotational stiffness. The results demonstrate that the combination of through-beam continuity plate stiffeners, panel zone doubler plates, and reduced beam sections provide optimal seismic performance. A simplified analytical method is also proposed to calculate the initial rotational stiffness of the through-beam column joint.
Highlights The seismic behavior of three types of novel beam-through moment connections subjected to quasi-static loading is examined. The joints deformations, failure mechanism, hysteretic behavior, ductility, and joint rotational stiffness are investigated. The design joint reaches an optimal performance with the combination of RBS, stiffeners, and doubler plates. A simplified analytical method is proposed to calculate the initial rotational stiffness.
Seismic experimental assessment of beam-through beam-column connections for modular prefabricated steel moment frames
Abstract This study proposes a beam-through moment-resisting joint for H-section (wide-flange) beams and columns that can be prefabricated and easily assembled onsite for low-rise and mid-rise steel structures. Three groups (six in total) of beam-through beam-column connections are designed and tested under quasi-static loading protocols. The output parameters include joints' deformation, failure mechanism, hysteretic behavior, backbone curves, bearing capacity, ductility, energy dissipation capacity, joint rotational stiffness. The results demonstrate that the combination of through-beam continuity plate stiffeners, panel zone doubler plates, and reduced beam sections provide optimal seismic performance. A simplified analytical method is also proposed to calculate the initial rotational stiffness of the through-beam column joint.
Highlights The seismic behavior of three types of novel beam-through moment connections subjected to quasi-static loading is examined. The joints deformations, failure mechanism, hysteretic behavior, ductility, and joint rotational stiffness are investigated. The design joint reaches an optimal performance with the combination of RBS, stiffeners, and doubler plates. A simplified analytical method is proposed to calculate the initial rotational stiffness.
Seismic experimental assessment of beam-through beam-column connections for modular prefabricated steel moment frames
Du, Hongkai (Autor:in) / Zhao, Pengfei (Autor:in) / Wang, Yuandong (Autor:in) / Sun, Wentong (Autor:in)
22.02.2022
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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