Response Spectrum Analysis of a Large-Span Hangar Subjected to Multi-Dimensional Seismic Inputs

Yang Xu; Jun Zhao; Xiao Yan Xu; Dan Zhu

doi:10.4028/www.scientific.net/AMR.639-640.906

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 639-640Response Spectrum Analysis of a Large-Span Hangar...

Response Spectrum Analysis of a Large-Span Hangar Subjected to Multi-Dimensional Seismic Inputs

Abstract:

The multi-dimensional seismic response of a single-span hangar was studied by response spectrum analysis method. The lateral displacements of the structure, forces of its supporting columns and its roof structure were calculated and compared with each other for cases of one-, two- and three-dimensional (1D, 2D and 3D) seismic inputs. The results show that, compared with the case of 1D earthquake input, the effects of horizontally 2D earthquake inputs on the internal forces and displacements of its supporting columns in the primary direction of input are obvious when it is along the symmetrical axis of the hangar and their effects in the secondary direction of input are even more important which results in great increases of the internal forces and displacements in that direction. The vertical seismic input has almost no effect on the internal forces and displacements of columns. The internal forces in different parts of the roof structure are controlled by horizontal or vertical inputs, respectively, and, compared with those from horizontally or vertically 1D inputs, the responses from 3D inputs are increased and the effects should be considered in seismic design.

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Periodical:

Advanced Materials Research (Volumes 639-640)

Pages:

906-910

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.639-640.906

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Online since:

January 2013

Authors:

Yang Xu, Jun Zhao, Xiao Yan Xu, Dan Zhu

Keywords:

Large-Span Structures, Response Spectrum Analysis, Seismic Design

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References

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DOI: 10.1016/0029-5493(72)90091-x

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