About: Curved bridges: effects of changes of structural system

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The prestressed free cantilever method represents the most frequent and the most popular process for erection of long span prestressed concrete bridges. Several changes of structural system during the construction process are inevitable when applying such a method, which results in very significant time variations in moments and shear and axial forces distributions due to creep and shrinkage of concrete. In contradiction to straight bridges, the flexural and torsion effects are strongly coupled together in the case of horizontally curved bridges. This is why it is certainly impossible to assess the significance of the torsion effects by simply extrapolating the results obtained for straight structures. The intention of this paper is to develop an analytical method for evaluating the effects of changes of structural system of horizontally curved bridges. The prestressed free cantilever method represents the most frequent and the most popular process for erection of long span prestressed concrete bridges. Several changes of structural system during the construction process are inevitable when applying such a method, which results in very significant time variations in moments and shear and axial forces distributions due to creep and shrinkage of concrete. In contradiction to straight bridges, the flexural and torsion effects are strongly coupled together in the case of horizontally curved bridges. This is why it is certainly impossible to assess the significance of the torsion effects by simply extrapolating the results obtained for straight structures. The intention of this paper is to develop an analytical method for evaluating the effects of changes of structural system of horizontally curved bridges. (en)
Title	Curved bridges: effects of changes of structural system Curved bridges: effects of changes of structural system (en)
skos:prefLabel	Curved bridges: effects of changes of structural system Curved bridges: effects of changes of structural system (en)
skos:notation	RIV/68407700:21110/09:00160700!RIV10-MSM-21110___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M0579), P(GA103/08/1677), P(GP103/08/P613)
http://linked.open...iv/cisloPeriodika	BE4
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Křístek, Vladimír Vráblík, Lukáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta stavební
http://linked.open...dnocenehoVysledku	308736
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/09:00160700
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	creep; curved bridges; structural system changes (en)
http://linked.open.../riv/klicoveSlovo	curved bridges structural system changes creep
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[CCCDD8109FCE]
http://linked.open...i/riv/nazevZdroje	Proceedings of the Institution of Civil Engineers - Bridge Engineering
http://linked.open...in/vavai/riv/obor	JN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Development of Methods for increase of Reliability, Load carrying capacity and Life-Cycle Performance of Bridges Centre for Integrated Design of Advanced Structures New methods of rheology analysis based on 3D structural models for long-span prestressed concrete bridges
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	162
http://linked.open...iv/tvurceVysledku	Křístek, Vladimír Vráblík, Lukáš
issn	1478-4637
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	21110

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