Dynamic Stability Analysis of K8 Single-Layer Latticed Shell Structures Suffered from Earthquakes

Wen Feng Du; Fu Dong Yu; Zhi Yong Zhou

doi:10.4028/www.scientific.net/AMM.94-96.52

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 94-96Dynamic Stability Analysis of K8 Single-Layer...

Dynamic Stability Analysis of K8 Single-Layer Latticed Shell Structures Suffered from Earthquakes

Abstract:

Aiming at the dynamic stability of the K8 single-layer latticed shell structures, it was carried out the dynamic stability analysis based on the finite element method(FEM) in this paper. The dynamic responses of the structure are calculated using the FEM and the B-R rule is applied to determine the dynamic instability critical loads. Results show that the dynamic instability is prone to take place in the K8 single-layer latticed shell structures under the severe seismic load and the dynamic instability critical seismic wave peak value is about 0.7g. The location of instability starts from the intersection between the third circular members and the radial members, then it spreads abroad until the structure collapses.

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Periodical:

Applied Mechanics and Materials (Volumes 94-96)

Pages:

52-56

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.94-96.52

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Online since:

September 2011

Authors:

Wen Feng Du, Fu Dong Yu, Zhi Yong Zhou

Keywords:

Dynamic Stability, Earthquake, Single-Layer Latticed Shell Structures

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