Strength behaviour of flawed pipes under internal pressure and external bending moment: Comparison between experiment and calculation

Sturm, D.; Stoppler, W.

doi:10.1016/0308-0161(90)90112-u

Cited by 3 publications

(5 citation statements)

References 1 publication

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“…The experimental failure data available for burst tests of through-wall defects on thick wall vessels originates from Stoppler in 1990 (Sturm andStoppler, 1990) (Staat, 2004).…”

Section: Through-wall Failure Datamentioning

confidence: 99%

“…Details of the vessels and tests are summarised in Table 6. Sturm and Stoppler, 1990 Data from burst tests of through-wall defects on thin wall vessels have also been included in order to provide a comparison. This data originates from Battelle in 1973 (Kiefner, Maxey, Eiber and Duffy, 1973) and includes data from 90 burst tests of through-wall defects on thin wall pressure vessels.…”

Section: Through-wall Failure Datamentioning

confidence: 99%

“…In summary, Figure 5 and Figure 6 suggest that the flow stress dependent NG-18 equation is a valid assessment method for through-wall defects in pipelines up to at least 47.2 mm wall thickness with a full-size equivalent upper shelf Charpy V-notch impact energy of at least 50 J. The experimental failure data (Staat, 2004) available for burst tests with part-wall defects on thick wall vessels originates from Eiber et al in 1971(Eiber et al, 1971, Wellinger andSturm in 1971 (Wellinger andSturm, 1971), Stoppler in 1990 (Sturm andStoppler, 1990), Keller at al. in 1987 (Keller, Junker andMerker, 1987) and Mannucci et al in 2001 (Mannucci, Demofonti, Harris, Barsanti andHillenbrand, 2001).…”

Section: Failure Data Comparisonmentioning

confidence: 99%

“…Details of the vessels and tests are summarised in Table 8. Eiber et al 1971 Wellinger andSturm (1971) Wellinger and Sturm 1971 As stated by Sturm and Stoppler (1990), four tests were performed on vessels constructed from 20 MnMoNi grade steel and three tests were performed on vessels constructed from 22 NiMoCr 37 grade steel. Details of the vessels and tests are summarised in Table 10.…”

Section: Failure Data Comparisonmentioning

confidence: 99%

“…External Diameter (mm) 797.9, 793.9 Wall Thickness ( mm Sturm and Stoppler 1990 According to Keller, Junker and Merker (1987), two tests were performed on vessels constructed from 34 CrMo 4 grade steel. Details of the vessels and tests are summarised in Keller et al 1987 As reported by Mannucci (Mannucci, et al, 2001), two tests were performed on vessels constructed from API 5L X100 grade steel.…”

Section: Input Valuementioning

confidence: 99%

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Validation of the NG-18 equations for thick walled pipelines

Lyons

Race

Chang

et al. 2020

Engineering Failure Analysis

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The applicability of the flow stress dependent NG-18 equations to thick wall pipelines such as those used to transport dense phase carbon dioxide (CO2) is demonstrated. A comparison between the components of the NG-18 equations and BS 7910 shows that the factor MT for though-wall defects and MP for part-wall defects in the NG-18 equations are very close to the reference stress solutions in BS 7910 Annex P, which are applicable to thick wall pipe. Thus, by inference, the flow stress dependent form of the NG-18 equations is also applicable to thick wall pipe. A further comparison with experimental failure data for thick wall pipes shows that the flow stress dependent NG-18 equations are applicable to wall thicknesses of up to 47.2 mm when the full-size equivalent upper shelf Charpy V-notch impact energy is at least 50 J. The results suggest that in principle, the flow stress dependent NG-18 equations may be used as limit state functions in models to calculate the failure frequency due to third party external interference, for high toughness, thick wall pipelines such as those required for dense phase CO2 pipelines.

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“…The experimental failure data available for burst tests of through-wall defects on thick wall vessels originates from Stoppler in 1990 (Sturm andStoppler, 1990) (Staat, 2004).…”

Section: Through-wall Failure Datamentioning

confidence: 99%

Section: Through-wall Failure Datamentioning

confidence: 99%