Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pull‐out strength of perforated steel plates with oval‐shaped perforation
Abstract The use of Perfobond Leisten (PBL) shear connectors in building structures has attracted increasing interest. A new approach for using perforated steel plates in concrete‐filled steel tube (CFST) column splices was implemented in this study. The shape of the perforation opening in perforated steel plates is generally a circle, similar to that of PBL shear connectors. However, in this study, an oval‐shaped perforation was used to increase the double shear area of the concrete. A pull‐out experiment was conducted on perforated steel plates with oval‐shaped perforations in a CFST block to evaluate the tensile performance of the perforated steel plates. A total of 29 specimens were tested, and the pull‐out strengths of the perforated steel plates were determined and analyzed under passive confinement from the steel tube. The contribution of the stress transfer was discussed in terms of the double shear of the concrete in the perforation and the bond and/or friction between the surface of the steel plate and concrete. Formulas for determining the maximum pull‐out strength were also developed.
Pull‐out strength of perforated steel plates with oval‐shaped perforation
Abstract The use of Perfobond Leisten (PBL) shear connectors in building structures has attracted increasing interest. A new approach for using perforated steel plates in concrete‐filled steel tube (CFST) column splices was implemented in this study. The shape of the perforation opening in perforated steel plates is generally a circle, similar to that of PBL shear connectors. However, in this study, an oval‐shaped perforation was used to increase the double shear area of the concrete. A pull‐out experiment was conducted on perforated steel plates with oval‐shaped perforations in a CFST block to evaluate the tensile performance of the perforated steel plates. A total of 29 specimens were tested, and the pull‐out strengths of the perforated steel plates were determined and analyzed under passive confinement from the steel tube. The contribution of the stress transfer was discussed in terms of the double shear of the concrete in the perforation and the bond and/or friction between the surface of the steel plate and concrete. Formulas for determining the maximum pull‐out strength were also developed.
Pull‐out strength of perforated steel plates with oval‐shaped perforation
Takashi Fujinaga (Autor:in) / Teruhisa Tanaka (Autor:in)
2023
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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