About: Experimental analysis of frequency tuning influence on the response stability of bridge girders under wind action

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About: Experimental analysis of frequency tuning influence on the response stability of bridge girders under wind action Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this article, a wind tunnel analysis of a double-degree-of-freedom (DDOF) system represented by sectional bridge girders is carried out. The analysis is focused on the influence of the natural frequencies ratio on the initiation of unstable vibration. The article also discusses experimentally ascertained response regimes, with an emphasis on their stability character. The assessment of the response is based on the hysteresis loops and separation curves determining the stability boundaries. The influence of initial disturbance on the stability is examined. Two types of girder were investigated: (i) rectangular cross-section with the aspect ratio 1:5, and, (ii) bridge-like girder with analogous principal dimensions. For both types of decks, the limits of the stability are significantly affected by initial disturbance. In this article, a wind tunnel analysis of a double-degree-of-freedom (DDOF) system represented by sectional bridge girders is carried out. The analysis is focused on the influence of the natural frequencies ratio on the initiation of unstable vibration. The article also discusses experimentally ascertained response regimes, with an emphasis on their stability character. The assessment of the response is based on the hysteresis loops and separation curves determining the stability boundaries. The influence of initial disturbance on the stability is examined. Two types of girder were investigated: (i) rectangular cross-section with the aspect ratio 1:5, and, (ii) bridge-like girder with analogous principal dimensions. For both types of decks, the limits of the stability are significantly affected by initial disturbance. (en)
Title	Experimental analysis of frequency tuning influence on the response stability of bridge girders under wind action Experimental analysis of frequency tuning influence on the response stability of bridge girders under wind action (en)
skos:prefLabel	Experimental analysis of frequency tuning influence on the response stability of bridge girders under wind action Experimental analysis of frequency tuning influence on the response stability of bridge girders under wind action (en)
skos:notation	RIV/68378297:_____/11:00361436!RIV12-AV0-68378297
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA103/09/0094), P(IAA200710902), Z(AV0Z20710524)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Pospíšil, Stanislav Náprstek, Jiří Král, Radomil
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav teoretické a aplikované mechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	198715
http://linked.open...ai/riv/idVysledku	RIV/68378297:_____/11:00361436
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	wind tunnel analysis; sectional bridge girders; stability (en)
http://linked.open.../riv/klicoveSlovo	sectional bridge girders wind tunnel analysis stability
http://linked.open...ontrolniKodProRIV	[2DB9819CB566]
http://linked.open...v/mistoKonaniAkce	Amsterdam
http://linked.open...i/riv/mistoVydani	Amsterdam
http://linked.open...i/riv/nazevZdroje	Proceedings of 13th International Conference on Wind Engineering
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Stochastic stability and transition processes in interaction of non-conservative gyroscopic systems with moving continuum Bifurcations and post-critical states of non-conservative and non-holonomic stochastic systems
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Náprstek, Jiří Pospíšil, Stanislav Král, Radomil
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-07-10 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Time dependent response of materials, systems and environments on natural and human actions
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Multi-Science Publishing Co Ltd
https://schema.org/isbn	978-1-907132-33-9

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