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Statements

Subject Item
n2:RIV%2F68378297%3A_____%2F11%3A00361436%21RIV12-AV0-68378297
rdf:type
n17:Vysledek skos:Concept
dcterms: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.
dcterms: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
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
skos:notation
RIV/68378297:_____/11:00361436!RIV12-AV0-68378297
n17:predkladatel
n19:ico%3A68378297
n3:aktivita
n20:Z n20:P
n3:aktivity
P(GA103/09/0094), P(IAA200710902), Z(AV0Z20710524)
n3:dodaniDat
n13:2012
n3:domaciTvurceVysledku
n4:7050836 n4:9506764 n4:4176642
n3:druhVysledku
n7:D
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
198715
n3:idVysledku
RIV/68378297:_____/11:00361436
n3:jazykVysledku
n5:eng
n3:klicovaSlova
wind tunnel analysis; sectional bridge girders; stability
n3:klicoveSlovo
n9:stability n9:wind%20tunnel%20analysis n9:sectional%20bridge%20girders
n3:kontrolniKodProRIV
[2DB9819CB566]
n3:mistoKonaniAkce
Amsterdam
n3:mistoVydani
Amsterdam
n3:nazevZdroje
Proceedings of 13th International Conference on Wind Engineering
n3:obor
n18:JM
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n11:GA103%2F09%2F0094 n11:IAA200710902
n3:rokUplatneniVysledku
n13:2011
n3:tvurceVysledku
Král, Radomil Náprstek, Jiří Pospíšil, Stanislav
n3:typAkce
n10:WRD
n3:zahajeniAkce
2011-07-10+02:00
n3:zamer
n15:AV0Z20710524
s:numberOfPages
8
n22:hasPublisher
Multi-Science Publishing Co Ltd
n21:isbn
978-1-907132-33-9