About: Misprediction of long-time deflections of prestressed box girders: Causes, remedies and tendon layout effect

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About: Misprediction of long-time deflections of prestressed box girders: Causes, remedies and tendon layout effect Goto Sponge NotDistinct Permalink

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

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper reviews the causes of under-estimation of the long-time deflections of large-span prestressed concrete box girder bridges. Six causes are discussed: 1)wrong creep and shrinkage model; 2)obsolete creep analysis method; 3)ignoring randomness; 4)lack of model updating based on short-times tests; 5)vrong tendon layout; and 6)neglect of shear lag. The present paper focused on the last two causes, while a brief review of the others causes is planned for the conference presentation. So is a discussion of why the record-span Koror-Babeldaob Bridge in Palau deflected 1.1m more than expected in design. The paper reviews the causes of under-estimation of the long-time deflections of large-span prestressed concrete box girder bridges. Six causes are discussed: 1)wrong creep and shrinkage model; 2)obsolete creep analysis method; 3)ignoring randomness; 4)lack of model updating based on short-times tests; 5)vrong tendon layout; and 6)neglect of shear lag. The present paper focused on the last two causes, while a brief review of the others causes is planned for the conference presentation. So is a discussion of why the record-span Koror-Babeldaob Bridge in Palau deflected 1.1m more than expected in design. (en)
Title	Misprediction of long-time deflections of prestressed box girders: Causes, remedies and tendon layout effect Misprediction of long-time deflections of prestressed box girders: Causes, remedies and tendon layout effect (en)
skos:prefLabel	Misprediction of long-time deflections of prestressed box girders: Causes, remedies and tendon layout effect Misprediction of long-time deflections of prestressed box girders: Causes, remedies and tendon layout effect (en)
skos:notation	RIV/68407700:21110/09:00147293!RIV14-MSM-21110___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1F45E/020/120), P(1M0579), P(GA103/06/0674), P(GP103/08/P613)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Křístek, Vladimír Vráblík, Lukáš
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	České vysoké učení technické v Praze / Fakulta stavební
http://linked.open...dnocenehoVysledku	326491
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/09:00147293
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	box girder; creep; long-time deflections; model B3; shrinkage (en)
http://linked.open.../riv/klicoveSlovo	model B3 creep shrinkage long-time deflections box girder
http://linked.open...ontrolniKodProRIV	[0ABE7F30274E]
http://linked.open...v/mistoKonaniAkce	Ise-Shima
http://linked.open...i/riv/mistoVydani	Leiden
http://linked.open...i/riv/nazevZdroje	Creep, shrinkage and durability mechanics of concrete and concrete structures
http://linked.open...in/vavai/riv/obor	JN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Analysis of causes and proposal of precautions of excessive deflections growth in long-span prestressed concrete bridges. Centre for Integrated Design of Advanced Structures New methods of rheology analysis based on 3D structural models for long-span prestressed concrete bridges Development of mathematical models, methods of analysis and design of prestressed concrete bridges
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Křístek, Vladimír Vráblík, Lukáš Yu, Q. Bažant, Z. P. Li, G. H.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2008-09-30 (xsd:date)
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	CRC Press/Balkema
https://schema.org/isbn	978-0-415-48508-1
http://localhost/t...ganizacniJednotka	21110

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