Why Is the Warping of Cross Sections of Box Girder Bridges Indispensable?
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F13%3A00207179" target="_blank" >RIV/68407700:21110/13:00207179 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
čeština
Original language name
Why Is the Warping of Cross Sections of Box Girder Bridges Indispensable?
Original language description
The modern bridge girders are of plated character for which the beamtype analysis is inadequate. This is why the three-dimensional approach applying advanced computational analyses must be used to obtain the true 3D structural performance. The paper is directed to the cross section warping effect and to the warping induced long term prestressing loss due to creep of concrete. It is shown that the severity of cross section warping is of fundamental importance, particularly in the case of unevenly distributed and isolated tendons in cross-section and in the case of short spans. Thus it will be appropriate to introduce a new component of the prestress loss ? the prestress loss due to creep of concrete induced by cross section warping.
Czech name
Why Is the Warping of Cross Sections of Box Girder Bridges Indispensable?
Czech description
The modern bridge girders are of plated character for which the beamtype analysis is inadequate. This is why the three-dimensional approach applying advanced computational analyses must be used to obtain the true 3D structural performance. The paper is directed to the cross section warping effect and to the warping induced long term prestressing loss due to creep of concrete. It is shown that the severity of cross section warping is of fundamental importance, particularly in the case of unevenly distributed and isolated tendons in cross-section and in the case of short spans. Thus it will be appropriate to introduce a new component of the prestress loss ? the prestress loss due to creep of concrete induced by cross section warping.
Classification
Type
D - Article in proceedings
CEP classification
JN - Civil engineering
OECD FORD branch
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Result continuities
Project
<a href="/en/project/GAP104%2F11%2F1301" target="_blank" >GAP104/11/1301: Effects of creep and shrinkage in singular regions of concrete members</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
PhD Workshop
ISBN
978-80-01-05236-5
ISSN
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e-ISSN
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Number of pages
10
Pages from-to
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Publisher name
České vysoké učení technické v Praze, Fakulta stavební
Place of publication
Praha
Event location
Praha
Event date
May 24, 2013
Type of event by nationality
CST - Celostátní akce
UT code for WoS article
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