Allowable external flaws and acceptance standards for high toughness ductile pipes subjected to bending moment and internal pressure
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27690%2F20%3A10247239" target="_blank" >RIV/61989100:27690/20:10247239 - isvavai.cz</a>
Výsledek na webu
<a href="https://asmedigitalcollection.asme.org/PVP/proceedings-abstract/PVP2020/83815/V001T01A054/1089245" target="_blank" >https://asmedigitalcollection.asme.org/PVP/proceedings-abstract/PVP2020/83815/V001T01A054/1089245</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1115/PVP2020-21672" target="_blank" >10.1115/PVP2020-21672</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Allowable external flaws and acceptance standards for high toughness ductile pipes subjected to bending moment and internal pressure
Popis výsledku v původním jazyce
Failure stresses for ductile high toughness pipes are predicted by Limit Load Criteria based on a net section stress concept. Allowable flaws of the Acceptance Standards provided by the Article IWB-3514 in the ASME B&PV Code Section XI were determined by the Limit Load Criteria. The allowable flaws are applicable for ductile high toughness pipes with circumferential internal and external flaws. Authors have developed more precise equations using the Limit Load Criteria, which is called Modified Limit Load Criteria, hereafter. As the results of the Modified Limit Load Criteria, failure stresses for external flawed pipes are always smaller than the failure stresses obtained by the Limit Load Criteria provided by the ASME Code Section XI. It seems that the allowable flaw sizes of the Acceptance Standards provided by the ASME Code Section XI are less conservative for external flaws. The objective of this paper is to demonstrate difference of failure stresses by the Limit Load Criteria and Modified Limit Load Criteria for external flawed pipes. In addition, the allowable flaws of the Acceptance Standards are examined by large and small diameter pipes with external flaws using the Modified Limit Load Criteria.
Název v anglickém jazyce
Allowable external flaws and acceptance standards for high toughness ductile pipes subjected to bending moment and internal pressure
Popis výsledku anglicky
Failure stresses for ductile high toughness pipes are predicted by Limit Load Criteria based on a net section stress concept. Allowable flaws of the Acceptance Standards provided by the Article IWB-3514 in the ASME B&PV Code Section XI were determined by the Limit Load Criteria. The allowable flaws are applicable for ductile high toughness pipes with circumferential internal and external flaws. Authors have developed more precise equations using the Limit Load Criteria, which is called Modified Limit Load Criteria, hereafter. As the results of the Modified Limit Load Criteria, failure stresses for external flawed pipes are always smaller than the failure stresses obtained by the Limit Load Criteria provided by the ASME Code Section XI. It seems that the allowable flaw sizes of the Acceptance Standards provided by the ASME Code Section XI are less conservative for external flaws. The objective of this paper is to demonstrate difference of failure stresses by the Limit Load Criteria and Modified Limit Load Criteria for external flawed pipes. In addition, the allowable flaws of the Acceptance Standards are examined by large and small diameter pipes with external flaws using the Modified Limit Load Criteria.
Klasifikace
Druh
D - Stať ve sborníku
CEP obor
—
OECD FORD obor
20301 - Mechanical engineering
Návaznosti výsledku
Projekt
<a href="/cs/project/EF17_048%2F0007373" target="_blank" >EF17_048/0007373: Predikce poškození konstrukčních materiálů</a><br>
Návaznosti
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Ostatní
Rok uplatnění
2020
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název statě ve sborníku
American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP Volume 1, 2020
ISBN
978-0-7918-8381-5
ISSN
0277-027X
e-ISSN
—
Počet stran výsledku
10
Strana od-do
1-6
Název nakladatele
American Society of Mechanical Engineers
Místo vydání
New York
Místo konání akce
New York
Datum konání akce
3. 8. 2020
Typ akce podle státní příslušnosti
WRD - Celosvětová akce
Kód UT WoS článku
—