Seismic Behaviour Study on Diagrid Tube- Core Tube Structures

Guo Weiliang;Teng Jun;Rong Baisheng;Li Zuohua;ZHANG Hao

Journal of Vibration and Shock ›› 2011, Vol. 30 ›› Issue (4) : 150-155.

PDF(3519 KB)
PDF(3519 KB)
Journal of Vibration and Shock ›› 2011, Vol. 30 ›› Issue (4) : 150-155.
论文

Seismic Behaviour Study on Diagrid Tube- Core Tube Structures

  • Guo Weiliang1;Teng Jun1; Rong Baisheng2; Li Zuohua3;ZHANG Hao
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Abstract

Abstract: Diagrid tube structures have advantages on constructing high-rise buildings for their great rigidity and are built in and aboard, however their seismic behavior researches are limited. Models of concrete filled steel tube diagrid tube-concrete core tube structure were analyzed by Modal Pushover method using Perform-3D program. The structure plastic development process and the component yield order were summarized. The diagrid tube components yield path was researched and the reasons of force redistributions between inner and outer tubes were explained by analyzing the development of diagrid tube forces. The reason for structure lateral stiffness degradation was discussed based on the development process of diagrid and core tube lateral stiffness.

Key words

Diagrid tube / tubes / seismic behavior / nonlinear static analysis / force redistribution / lateral stiffness

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Guo Weiliang;Teng Jun;Rong Baisheng;Li Zuohua;ZHANG Hao. Seismic Behaviour Study on Diagrid Tube- Core Tube Structures[J]. Journal of Vibration and Shock, 2011, 30(4): 150-155
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