Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Quasi static behavior of specially shaped columns composed of concrete-filled steel tube frame-double steel concrete composite walls
Abstract This paper proposes a new structure suitable for high-rise buildings that combines specially shaped columns composed of concrete-filled steel tube (SCFST) frames and double steel concrete (DSC) composite walls. To investigate the quasi-static behavior of the structure, three 1:2 specimens with two stories were tested. The failure modes and effects of the form of boundary elements on the behavior of the structure were studied. The experimental results indicate that the structure exhibits good hysteretic behavior, energy dissipation capacity, and ductility. The form of boundary elements has a significant influence on the quasi-static behavior of the structure. A finite element analysis model with the function of deleting failure elements was proposed based on the experimental results. The analysis of the model shows that the aspect ratio, thickness of the steel plate, and form of the boundary element have a significant influence on the lateral bearing capacity and deformation of the structure, whereas the axial compression ratio has less influence. A skeleton curve model was proposed based on the finite element analysis results.
Graphical abstract Display Omitted
Highlights The structures have good quasi static behavior. The failure modes of the structures were shear failure. The form of boundary elements has great influence on the quasi static behavior. The function of deleting failure elements was used in finite element analysis. The skeleton curve model can reflect the load displacement law of the structure.
Quasi static behavior of specially shaped columns composed of concrete-filled steel tube frame-double steel concrete composite walls
Abstract This paper proposes a new structure suitable for high-rise buildings that combines specially shaped columns composed of concrete-filled steel tube (SCFST) frames and double steel concrete (DSC) composite walls. To investigate the quasi-static behavior of the structure, three 1:2 specimens with two stories were tested. The failure modes and effects of the form of boundary elements on the behavior of the structure were studied. The experimental results indicate that the structure exhibits good hysteretic behavior, energy dissipation capacity, and ductility. The form of boundary elements has a significant influence on the quasi-static behavior of the structure. A finite element analysis model with the function of deleting failure elements was proposed based on the experimental results. The analysis of the model shows that the aspect ratio, thickness of the steel plate, and form of the boundary element have a significant influence on the lateral bearing capacity and deformation of the structure, whereas the axial compression ratio has less influence. A skeleton curve model was proposed based on the finite element analysis results.
Graphical abstract Display Omitted
Highlights The structures have good quasi static behavior. The failure modes of the structures were shear failure. The form of boundary elements has great influence on the quasi static behavior. The function of deleting failure elements was used in finite element analysis. The skeleton curve model can reflect the load displacement law of the structure.
Quasi static behavior of specially shaped columns composed of concrete-filled steel tube frame-double steel concrete composite walls
Zhou, Ting (Autor:in) / Li, Chongyang (Autor:in) / Chen, Zhihua (Autor:in) / Chen, Huazhou (Autor:in) / Guo, Weiqi (Autor:in) / Zhang, Pengfei (Autor:in)
27.04.2021
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Concrete filled steel tube specially shaped column suitable for industrial production
| Europäisches Patentamt | 2015
T-shaped concrete filled steel tube specially-shaped column applied to industrial production
| Europäisches Patentamt | 2015
Concrete filled steel tube columns
| British Library Conference Proceedings | 1994
Behavior of Circular Concrete-Filled Steel Tube Columns
| ASCE | 2002