Strategija održavanja zasnovana na riziku - primenljivost na cevovod
Applicability of risk-based maintenance strategy to a penstock
Апстракт
Rizik od krtog loma cevovoda reverzibilne turbine je ocenjen u ranoj fazi projektovanja. Da bi se smanjili troškovi izgradnje cevovoda prihvaćen je jedan tunel. Zbog toga je za najopterećeniji segment cevovoda izabran HSLA čelik, 700 MPa napona tečenja, debljine 47 mm. Bilo je potrebno i da se osigura integritet zavarenih spojeva i konstrukcije cevovoda uvođenjem odgovarajućeg pristupa za održavanje i opravke. Postupci održavanja se neprekidno razvijaju, a možda su najperspektivniji postupci zasnovani na riziku, razvijeni poslednjih godina. U radu su razmotreni osnovni zahtevi novih pristupa, i ocenjena je mogućnost i pogodnost njihove primene na cevovod.
The risk of brittle fracture of the penstock of the reversible pump turbine is recognized in an early stage of design. To reduce the cost of penstock construction one tunnel is accepted. The HSLA steel of 700 MPa yield stress, 47 mm thick, is selected for the most stressed penstock section. It was necessary to assure structural integrity of welded joints and the penstock structure by involving an appropriate maintenance and repair approach. Maintenance procedures are in continuous development, and the most promising probably is the risk-based approach, developed recently. Basic requirements of this approach are considered in the paper, and the possibility and convenience to apply them for the penstock is evaluated.
Кључне речи:
zavareni spoj / održavanje zasnovano na riziku / model prototipa / krti lom / cevovod / welded joint / risk based maintenance / prototype model / penstock / brittle fractureИзвор:
Structural Integrity and Life, 2012, 12, 3, 191-196Издавач:
- Institut za ispitivanje materijala, Beograd
Институција/група
Inovacioni centarTY - CONF AU - Sedmak, Tamara AU - Bakić, Ramo AU - Sedmak, Stojan AU - Milović, Ljubica AU - Kirin, Snežana PY - 2012 UR - https://machinery.mas.bg.ac.rs/handle/123456789/1596 AB - Rizik od krtog loma cevovoda reverzibilne turbine je ocenjen u ranoj fazi projektovanja. Da bi se smanjili troškovi izgradnje cevovoda prihvaćen je jedan tunel. Zbog toga je za najopterećeniji segment cevovoda izabran HSLA čelik, 700 MPa napona tečenja, debljine 47 mm. Bilo je potrebno i da se osigura integritet zavarenih spojeva i konstrukcije cevovoda uvođenjem odgovarajućeg pristupa za održavanje i opravke. Postupci održavanja se neprekidno razvijaju, a možda su najperspektivniji postupci zasnovani na riziku, razvijeni poslednjih godina. U radu su razmotreni osnovni zahtevi novih pristupa, i ocenjena je mogućnost i pogodnost njihove primene na cevovod. AB - The risk of brittle fracture of the penstock of the reversible pump turbine is recognized in an early stage of design. To reduce the cost of penstock construction one tunnel is accepted. The HSLA steel of 700 MPa yield stress, 47 mm thick, is selected for the most stressed penstock section. It was necessary to assure structural integrity of welded joints and the penstock structure by involving an appropriate maintenance and repair approach. Maintenance procedures are in continuous development, and the most promising probably is the risk-based approach, developed recently. Basic requirements of this approach are considered in the paper, and the possibility and convenience to apply them for the penstock is evaluated. PB - Institut za ispitivanje materijala, Beograd C3 - Structural Integrity and Life T1 - Strategija održavanja zasnovana na riziku - primenljivost na cevovod T1 - Applicability of risk-based maintenance strategy to a penstock EP - 196 IS - 3 SP - 191 VL - 12 UR - https://hdl.handle.net/21.15107/rcub_technorep_2051 ER -
@conference{ author = "Sedmak, Tamara and Bakić, Ramo and Sedmak, Stojan and Milović, Ljubica and Kirin, Snežana", year = "2012", abstract = "Rizik od krtog loma cevovoda reverzibilne turbine je ocenjen u ranoj fazi projektovanja. Da bi se smanjili troškovi izgradnje cevovoda prihvaćen je jedan tunel. Zbog toga je za najopterećeniji segment cevovoda izabran HSLA čelik, 700 MPa napona tečenja, debljine 47 mm. Bilo je potrebno i da se osigura integritet zavarenih spojeva i konstrukcije cevovoda uvođenjem odgovarajućeg pristupa za održavanje i opravke. Postupci održavanja se neprekidno razvijaju, a možda su najperspektivniji postupci zasnovani na riziku, razvijeni poslednjih godina. U radu su razmotreni osnovni zahtevi novih pristupa, i ocenjena je mogućnost i pogodnost njihove primene na cevovod., The risk of brittle fracture of the penstock of the reversible pump turbine is recognized in an early stage of design. To reduce the cost of penstock construction one tunnel is accepted. The HSLA steel of 700 MPa yield stress, 47 mm thick, is selected for the most stressed penstock section. It was necessary to assure structural integrity of welded joints and the penstock structure by involving an appropriate maintenance and repair approach. Maintenance procedures are in continuous development, and the most promising probably is the risk-based approach, developed recently. Basic requirements of this approach are considered in the paper, and the possibility and convenience to apply them for the penstock is evaluated.", publisher = "Institut za ispitivanje materijala, Beograd", journal = "Structural Integrity and Life", title = "Strategija održavanja zasnovana na riziku - primenljivost na cevovod, Applicability of risk-based maintenance strategy to a penstock", pages = "196-191", number = "3", volume = "12", url = "https://hdl.handle.net/21.15107/rcub_technorep_2051" }
Sedmak, T., Bakić, R., Sedmak, S., Milović, L.,& Kirin, S.. (2012). Strategija održavanja zasnovana na riziku - primenljivost na cevovod. in Structural Integrity and Life Institut za ispitivanje materijala, Beograd., 12(3), 191-196. https://hdl.handle.net/21.15107/rcub_technorep_2051
Sedmak T, Bakić R, Sedmak S, Milović L, Kirin S. Strategija održavanja zasnovana na riziku - primenljivost na cevovod. in Structural Integrity and Life. 2012;12(3):191-196. https://hdl.handle.net/21.15107/rcub_technorep_2051 .
Sedmak, Tamara, Bakić, Ramo, Sedmak, Stojan, Milović, Ljubica, Kirin, Snežana, "Strategija održavanja zasnovana na riziku - primenljivost na cevovod" in Structural Integrity and Life, 12, no. 3 (2012):191-196, https://hdl.handle.net/21.15107/rcub_technorep_2051 .