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Statements

Subject Item
n2:RIV%2F00216305%3A26110%2F04%3APU44958%21RIV11-MSM-26110___
rdf:type
skos:Concept n20:Vysledek
dcterms:description
The fatigue performance of thin-walled steel girders subjected to many times repeated loading is characterized by the development of fatigue cracks which initiate as a result of the coupled effect of repeated plate buckling and cumulative damage in the girder, at the toes of the fillet welds connecting the flanges and stiffeners with the web sheet. The results of numerous tests conducted with the view to thoroughly study the phenomenon exhibit a large scatter. This is due to various factors, but mainly to the great and by and large unpredictable effect of initial imperfections on the state of stress in those zones of the girder where fatigue cracks initiate and propagate. That is why the objective of the contribution is to report about the main conclusions of a sensitivity analysis performed by the authors from Brno, via the geometrically and materially nonlinear large deflection theory, with the view to “map” the aforesaid effect. The fatigue performance of thin-walled steel girders subjected to many times repeated loading is characterized by the development of fatigue cracks which initiate as a result of the coupled effect of repeated plate buckling and cumulative damage in the girder, at the toes of the fillet welds connecting the flanges and stiffeners with the web sheet. The results of numerous tests conducted with the view to thoroughly study the phenomenon exhibit a large scatter. This is due to various factors, but mainly to the great and by and large unpredictable effect of initial imperfections on the state of stress in those zones of the girder where fatigue cracks initiate and propagate. That is why the objective of the contribution is to report about the main conclusions of a sensitivity analysis performed by the authors from Brno, via the geometrically and materially nonlinear large deflection theory, with the view to “map” the aforesaid effect.
dcterms:title
The Stress State in the Crack-Prone Areas of „Breathing“ Thin Walled Girders – a Sensitivity Analysis The Stress State in the Crack-Prone Areas of „Breathing“ Thin Walled Girders – a Sensitivity Analysis
skos:prefLabel
The Stress State in the Crack-Prone Areas of „Breathing“ Thin Walled Girders – a Sensitivity Analysis The Stress State in the Crack-Prone Areas of „Breathing“ Thin Walled Girders – a Sensitivity Analysis
skos:notation
RIV/00216305:26110/04:PU44958!RIV11-MSM-26110___
n3:aktivita
n9:V n9:Z n9:P
n3:aktivity
P(GA103/03/0233), P(GP103/01/D022), V, Z(MSM 261100007)
n3:dodaniDat
n5:2011
n3:domaciTvurceVysledku
n13:8690634 n13:5692164 n13:2676400
n3:druhVysledku
n15:D
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
588391
n3:idVysledku
RIV/00216305:26110/04:PU44958
n3:jazykVysledku
n18:eng
n3:klicovaSlova
stability, stell, fatique, girder, imperfection
n3:klicoveSlovo
n10:stability n10:fatique n10:imperfection n10:stell n10:girder
n3:kontrolniKodProRIV
[064FEFA4F716]
n3:mistoKonaniAkce
Rome (Italy)
n3:mistoVydani
Rome (Italy)
n3:nazevZdroje
The Fourth International Conference on Coupled Instabilities in Metal Structures
n3:obor
n21:JN
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:projekt
n12:GA103%2F03%2F0233 n12:GP103%2F01%2FD022
n3:rokUplatneniVysledku
n5:2004
n3:tvurceVysledku
Škaloud, Miroslav Kala, Zdeněk Kala, Jiří Teplý, Břetislav
n3:typAkce
n16:WRD
n3:zahajeniAkce
2004-09-27+02:00
n3:zamer
n8:MSM%20261100007
s:numberOfPages
12
n7:hasPublisher
Neuveden
n14:organizacniJednotka
26110