About: Critical conditions of pressurized pipes

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.engineeringmechanics.cz/obsahy.html?R=20&C=5
Description	A simple fracture-mechanics based method is described for assessing a part-through crack in the wall of a pipe subjected to internal pressure of liquid and/or gas. The method utilizes simple approximate expressions for determining the fracture parameters K, J, and employs these parameters to determine critical dimensions of a crack on the basis of equality between the J-integral and the J-based fracture toughness of the pipe steel. The crack tip constraint is accounted by the so-called plastic constraint factor C, by which the uniaxial yield stress in the J-integral equation is multiplied. The results of the prediction of the fracture condition are verified by burst tests on test pipes. A simple fracture-mechanics based method is described for assessing a part-through crack in the wall of a pipe subjected to internal pressure of liquid and/or gas. The method utilizes simple approximate expressions for determining the fracture parameters K, J, and employs these parameters to determine critical dimensions of a crack on the basis of equality between the J-integral and the J-based fracture toughness of the pipe steel. The crack tip constraint is accounted by the so-called plastic constraint factor C, by which the uniaxial yield stress in the J-integral equation is multiplied. The results of the prediction of the fracture condition are verified by burst tests on test pipes. (en)
Title	Critical conditions of pressurized pipes Critical conditions of pressurized pipes (en)
skos:prefLabel	Critical conditions of pressurized pipes Critical conditions of pressurized pipes (en)
skos:notation	RIV/68378297:_____/13:00425033!RIV14-GA0-68378297
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP105/10/2052)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Šperl, Martin Gajdoš, Lubomír
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	Ústav teoretické a aplikované mechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	67312
http://linked.open...ai/riv/idVysledku	RIV/68378297:_____/13:00425033
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	pressurized pipe; J-integral; C factor; critical conditions (en)
http://linked.open.../riv/klicoveSlovo	critical conditions pressurized pipe J-integral C factor
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[A7B6B44F08E5]
http://linked.open...i/riv/nazevZdroje	Engineering Mechanics
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Damaging stresses below the fatigue limit as determined by changes in magnetic permeability
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	20
http://linked.open...iv/tvurceVysledku	Gajdoš, Lubomír Šperl, Martin
issn	1802-1484
number of pages	12 (xsd:int)

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