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Seismic Concept Analysis of High-rise Diagrid Tube Structures |
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| Authors: | TENG Jun GUO Wei-ling RONG bai-sheng LI Zuo-hua and DONG Zhi-jun |
| Institution: | Shenzhen Graduate School,Harbin Institute of Technology,Shenzhen 518055,Guangdong,P.R.China;;Shenzhen Graduate School,Harbin Institute of Technology,Shenzhen 518055,Guangdong,P.R.China;;RBS Architectural Engineering Design Associates,Guangzhou 510170,P.R.China;;School of Civil Engineering,Dalian University of Technology,Dalian 116024,Liaoning,P.R.China;Shenzhen Graduate School,Harbin Institute of Technology,Shenzhen 518055,Guangdong,P.R.China; |
| Abstract: | In order to study the seismic concept of high-rise diagrid tube-core tube structures,CFST diagrid tube-concrete core tube structures were designed based on typical project.The elastic-plastic time history analysis method is adopted and the components yield order is summarized based on their plastic developing processes.The influences of wall thickness,inclined column cross section and coupling beam height on the components yield order are studied and the distribution of seismic fortification lines between tubes are presented.The main factors exerting influence on structure lateral stiffness are analyzed and the key components of structure lateral stiffness and plastic energy dissipation are achieved.The seismic concept of this structure is discussed considering the three level earthquake fortification criterion and components yield characteristics at last. |
| Keywords: | diagrid tube tube earthquake resistance seismic fortification line plastic energy |
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