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作者:

Zhuang, Peng (Zhuang, Peng.) | Wang, Wenting (Wang, Wenting.) | Han, Miao (Han, Miao.) | Xue, Suduo (Xue, Suduo.) (学者:薛素铎)

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摘要:

A new type of hybrid energy dissipation device termed as friction-shape memory alloy (SMA) spring device (FSD) was presented in this word. This hybrid device consists of friction component and large-scale superelastic SMA helical springs. Based on the mechanical models of the SMA spring and frictional force, a restoring force model for the FSD was developed. The proposed FSD devices were used as energy dissipation brace (Friction-SMA spring Brace, FSB) for seismic control of a single-layer spherical lattice shell with surrounding columns. By using the ABAQUS software, the FE model of the complete structure was established and the dynamic elasto-plastic analysis under multi-dimensional seismic excitations was carried out. The displacement response, acceleration response, equivalent plastic strain and energy response of the roof and the supporting structure in the controlled and uncontrolled lattice shells were compared and analyzed. The results indicate that the FSB devices in the substructure of the lattice shell roof provide full hysteresis loops and benefit for energy dissipation. Under strong earthquakes, the energy dissipation of the controlled structure mainly depends on the SFB, which reduces plastic development and seismic damage. In addition, the FSB devices exhibit superior seismic control effect of the horizontal response to that of the vertical response of the lattice shell roof and its supporting structure. © 2018, Editorial Office of Journal of Vibration and Shock. All right reserved.

关键词:

ABAQUS Arches Domes Earthquakes Elastoplasticity Energy dissipation Friction Roofs Seismic response Shape-memory alloy Shells (structures) Spheres Springs (components)

作者机构:

  • [ 1 ] [Zhuang, Peng]School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Beijing; 100044, China
  • [ 2 ] [Zhuang, Peng]Beijing University of Civil Engineering and Architecture Beijing Advanced Innovation Center for Future Urban Design, Beijing; 100044, China
  • [ 3 ] [Zhuang, Peng]Beijing University of Civil Engineering and Architecture Beijing Higher Institution Engineering Research Center of Structural Engineering and New Materials, Beijing; 100044, China
  • [ 4 ] [Wang, Wenting]School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Beijing; 100044, China
  • [ 5 ] [Han, Miao]School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Beijing; 100044, China
  • [ 6 ] [Han, Miao]Beijing University of Civil Engineering and Architecture Beijing Advanced Innovation Center for Future Urban Design, Beijing; 100044, China
  • [ 7 ] [Han, Miao]Beijing University of Civil Engineering and Architecture Beijing Higher Institution Engineering Research Center of Structural Engineering and New Materials, Beijing; 100044, China
  • [ 8 ] [Xue, Suduo]College of Architecture and Civil Engineering, Beijing University of Technology, Beijing; 100124, China

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来源 :

Journal of Vibration and Shock

ISSN: 1000-3835

年份: 2018

期: 4

卷: 37

页码: 99-109

被引次数:

WoS核心集被引频次: 0

SCOPUS被引频次: 3

ESI高被引论文在榜: 0 展开所有

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