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Analysis of nonlinear dynamic second-order effect of a large-scale container crane under seismic excitations

Analysis of nonlinear dynamic second-order effect of a large-scale container crane under seismic excitations
Analysis of nonlinear dynamic second-order effect of a large-scale container crane under seismic excitations
Under seismic excitations, the second-order effect (P-Delta effect) exists in deformed structure under vertical loading even in linear-elastic system. For the vulnerability of the large-scale container crane, the effect is particularly remarkable in the slender structure, especially under large deformations. The current research on the rule of the static P-Delta effect has gained tremendous achievements, through systematic, reliable and simplified calculation methods. This paper however proposes the nonlinear dynamic second-order effect of the large-scale container crane. The aim of this paper is to analyze the influence of P-Delta effect on nonlinear dynamic seismic responses owing to different seismic conditions and seismic excitations. Meanwhile, by comparing with the methods of numerical FEM simulations, the simplified theoretical calculation conclusions of the dynamic second-order effect for the bending-type structure on portal frame can be verified. This research reveals clearly the regular pattern of P-Delta effect and influencing factors. The results have great significance on the seismic design of large-scale container crane. The main findings are presented in the paper.
978-3-319-09917-0
889-899
Springer International Publishing
Wang, Dong
6fc97d54-cc35-42b8-8c41-5d850e673c8b
Wang, Gongxian
18984f13-226a-42a5-abfa-b328760c96da
Xiong, Yeping
51be8714-186e-4d2f-8e03-f44c428a4a49
Hu, Jiquan
1d7fce23-1bde-45e1-94e6-53abed7e0741
Wang, Dong
6fc97d54-cc35-42b8-8c41-5d850e673c8b
Wang, Gongxian
18984f13-226a-42a5-abfa-b328760c96da
Xiong, Yeping
51be8714-186e-4d2f-8e03-f44c428a4a49
Hu, Jiquan
1d7fce23-1bde-45e1-94e6-53abed7e0741

Wang, Dong, Wang, Gongxian, Xiong, Yeping and Hu, Jiquan (2014) Analysis of nonlinear dynamic second-order effect of a large-scale container crane under seismic excitations. In Vibration Engineering and Technology of Machinery. vol. 23, Springer International Publishing. pp. 889-899 . (doi:10.1007/978-3-319-09918-7_79).

Record type: Conference or Workshop Item (Paper)

Abstract

Under seismic excitations, the second-order effect (P-Delta effect) exists in deformed structure under vertical loading even in linear-elastic system. For the vulnerability of the large-scale container crane, the effect is particularly remarkable in the slender structure, especially under large deformations. The current research on the rule of the static P-Delta effect has gained tremendous achievements, through systematic, reliable and simplified calculation methods. This paper however proposes the nonlinear dynamic second-order effect of the large-scale container crane. The aim of this paper is to analyze the influence of P-Delta effect on nonlinear dynamic seismic responses owing to different seismic conditions and seismic excitations. Meanwhile, by comparing with the methods of numerical FEM simulations, the simplified theoretical calculation conclusions of the dynamic second-order effect for the bending-type structure on portal frame can be verified. This research reveals clearly the regular pattern of P-Delta effect and influencing factors. The results have great significance on the seismic design of large-scale container crane. The main findings are presented in the paper.

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More information

Published date: 9 September 2014
Venue - Dates: Proceedings of VETOMAC X 2014, 2014-09-09
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 370601
URI: http://eprints.soton.ac.uk/id/eprint/370601
ISBN: 978-3-319-09917-0
PURE UUID: 565170d8-eb98-43d8-8844-4b70da8624e5
ORCID for Yeping Xiong: ORCID iD orcid.org/0000-0002-0135-8464

Catalogue record

Date deposited: 31 Oct 2014 14:25
Last modified: 20 Jul 2019 01:07

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