VERTICAL SEISMIC RESPONSE ANALYSIS OF LONG-SPAN SPHERICAL SHELL STRUCTURE SUBJECT TO INCONSISTENT EXCITATION

Weng Guangyuan; Wang Sheliang

doi:10.13204/j.gyjz201108022

Volume 41 Issue 8

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2011 > 41(8): 91-95

HUANG Min, DUAN Jingmin, MAO Qingchao, WANG Jiakai. SEISMIC DYNAMIC RESPONSE ANALYSIS OF TWIN TUNNELS WITH DIFFERENT LINING STIFFNESS IN MOUNTAINS[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(7): 39-46,63. doi: 10.13204/j.gyjzG21040603

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Weng Guangyuan, Wang Sheliang. VERTICAL SEISMIC RESPONSE ANALYSIS OF LONG-SPAN SPHERICAL SHELL STRUCTURE SUBJECT TO INCONSISTENT EXCITATION[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(8): 91-95. doi: 10.13204/j.gyjz201108022

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VERTICAL SEISMIC RESPONSE ANALYSIS OF LONG-SPAN SPHERICAL SHELL STRUCTURE SUBJECT TO INCONSISTENT EXCITATION

doi: 10.13204/j.gyjz201108022

Weng Guangyuan^1,2,
Wang Sheliang¹

1.
1. School of Civil Eng.,Xi’an Univ.of Arch.&Tech,Xi’an 710055,China;
2.
2. Dept.of Highway Eng.Shaanxi College of Communication Tech,Xi’an 710018,China

Received Date: 2011-04-06
Publish Date: 2011-08-20

Abstract

Abstract

In order to consider the vibration characteristics of spatial variation of long-span structure seismic response,equation of motion for the multi-point input of long-span structure is studied,seismic response of the long-span structures is analyzed by the principle of pseudo-excitation method.In general software ANSYS,multi-point input is considered as static calculations and harmonious response calculation.As the example analysis,the 80m single-layer reticulated spherical shell structure is analyzed,the vertical seismic response of the long-span spherical shell structure is obtained,statistical analysis of multi-point input and uniform earthquake are compared.Results show that multi-point input considering the travelling wave effect,the node displacement and internal force distribution of long-span spherical shell structure is more complex than unifirm earthquake.So,it is very necessary to fully consider multi-point input motion.
- long-span structure,
- earthquake response,
- multi-point input

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