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Title: Effects of fundamental structure parameters on dynamic responses of submerged floating tunnel under hydrodynamic loads
Author: Long X(龙旭); Ge F(葛斐); Wang L(王雷); Hong YS(洪友士)
Source: Acta Mechanica Sinica
Issued Date: 2009
Pages: 335-344
Abstract: This paper investigates the effects of structure parameters on dynamic responses of submerged floating tunnel (SFT) under hydrodynamic loads. The structure parameters includes buoyancy-weight ratio (BWR), stiffness coefficients of the cable systems, tunnel net buoyancy and tunnel length. First, the importance of structural damp in relation to the dynamic responses of SFT is demonstrated and the mechanism of structural damp effect is discussed. Thereafter, the fundamental structure parameters are investigated through the analysis of SFT dynamic responses under hydrodynamic loads. The results indicate that the BWR of SFT is a key structure parameter. When BWR is 1.2, there is a remarkable trend change in the vertical dynamic response of SFT under hydrodynamic loads. The results also indicate that the ratio of the tunnel net buoyancy to the cable stiffness coefficient is not a characteristic factor affecting the dynamic responses of SFT under hydrodynamic loads.
Keyword: Submerged floating tunnel - Structural damp - Buoyancy-weight ratio - Cable stiffness coefficient - Tunnel net buoyancy - Hydrodynamic load
Language: 英语
Indexed Type: SCI
Corresponding Author: Hong YS
Correspondent Email: hongys@imech.ac.cn
DOI: 10.1007/s10409-009-0233-y
DOC Type: Article
WOS Subject: Engineering, Mechanical ; Mechanics
WOS Subject Extended: Engineering ; Mechanics
WOS ID: WOS:000266433900007
ISSN: 0567-7718
Subject: 固体力学::结构振动与噪声
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Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/26580
Appears in Collections:非线性力学国家重点实验室_期刊论文

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Acta Mechanica Sinica. 2009, 25(3): 335-344
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