Effect of Over-Pressure on Pipeline Structural Integrity
Apstrakt
The effect of proof over-pressure on pipeline structural integrity using fracture mechanics parameters is analysed in the case of pipeline in Reversed Hydro Power Plant, made of High Strength Low Alloyed steel with 800 MPa tensile strength due to special design requirements. To assess its structural integrity, extensive testing of the full-scale prototype had been performed, including hydrostatic pressurizing. Since plastic strain was recorded during proof over-pressurizing, special attention is given to the fact that this is actually a mechanism for crack initiation and propagation. To investigate this effect micromechanical modelling is considered, as well as the Failure Assessment Diagramme. It is shown that over-pressuring has potential detrimental effect on pipeline safety, i. e. structural integrity.
Ključne reči:
structural integrity / risk matrix / pipeline / over-pressureIzvor:
Tehnički vjesnik, 2019, 26, 3, 852-855Izdavač:
- Univ Osijek, Tech Fac, Slavonski Brod
DOI: 10.17559/TV-20180708213323
ISSN: 1330-3651
WoS: 000471200400038
Scopus: 2-s2.0-85069505647
Institucija/grupa
Inovacioni centarTY - JOUR AU - Martić, Igor AU - Sedmak, Aleksandar AU - Mitrović, Nenad AU - Sedmak, Simon AU - Vučetić, Ivana PY - 2019 UR - https://machinery.mas.bg.ac.rs/handle/123456789/3079 AB - The effect of proof over-pressure on pipeline structural integrity using fracture mechanics parameters is analysed in the case of pipeline in Reversed Hydro Power Plant, made of High Strength Low Alloyed steel with 800 MPa tensile strength due to special design requirements. To assess its structural integrity, extensive testing of the full-scale prototype had been performed, including hydrostatic pressurizing. Since plastic strain was recorded during proof over-pressurizing, special attention is given to the fact that this is actually a mechanism for crack initiation and propagation. To investigate this effect micromechanical modelling is considered, as well as the Failure Assessment Diagramme. It is shown that over-pressuring has potential detrimental effect on pipeline safety, i. e. structural integrity. PB - Univ Osijek, Tech Fac, Slavonski Brod T2 - Tehnički vjesnik T1 - Effect of Over-Pressure on Pipeline Structural Integrity EP - 855 IS - 3 SP - 852 VL - 26 DO - 10.17559/TV-20180708213323 ER -
@article{ author = "Martić, Igor and Sedmak, Aleksandar and Mitrović, Nenad and Sedmak, Simon and Vučetić, Ivana", year = "2019", abstract = "The effect of proof over-pressure on pipeline structural integrity using fracture mechanics parameters is analysed in the case of pipeline in Reversed Hydro Power Plant, made of High Strength Low Alloyed steel with 800 MPa tensile strength due to special design requirements. To assess its structural integrity, extensive testing of the full-scale prototype had been performed, including hydrostatic pressurizing. Since plastic strain was recorded during proof over-pressurizing, special attention is given to the fact that this is actually a mechanism for crack initiation and propagation. To investigate this effect micromechanical modelling is considered, as well as the Failure Assessment Diagramme. It is shown that over-pressuring has potential detrimental effect on pipeline safety, i. e. structural integrity.", publisher = "Univ Osijek, Tech Fac, Slavonski Brod", journal = "Tehnički vjesnik", title = "Effect of Over-Pressure on Pipeline Structural Integrity", pages = "855-852", number = "3", volume = "26", doi = "10.17559/TV-20180708213323" }
Martić, I., Sedmak, A., Mitrović, N., Sedmak, S.,& Vučetić, I.. (2019). Effect of Over-Pressure on Pipeline Structural Integrity. in Tehnički vjesnik Univ Osijek, Tech Fac, Slavonski Brod., 26(3), 852-855. https://doi.org/10.17559/TV-20180708213323
Martić I, Sedmak A, Mitrović N, Sedmak S, Vučetić I. Effect of Over-Pressure on Pipeline Structural Integrity. in Tehnički vjesnik. 2019;26(3):852-855. doi:10.17559/TV-20180708213323 .
Martić, Igor, Sedmak, Aleksandar, Mitrović, Nenad, Sedmak, Simon, Vučetić, Ivana, "Effect of Over-Pressure on Pipeline Structural Integrity" in Tehnički vjesnik, 26, no. 3 (2019):852-855, https://doi.org/10.17559/TV-20180708213323 . .