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Life prediction of damaged PE 80 gas pipes (CROSBI ID 156208)

Prilog u časopisu | prethodno priopćenje

Tonković, Zlatko ; Somolanji, Marija ; Stojšić, Josip Life prediction of damaged PE 80 gas pipes // Tehnički vjesnik : znanstveno-stručni časopis tehničkih fakulteta Sveučilišta u Osijeku, 16 (2009), 3; 33-37

Podaci o odgovornosti

Tonković, Zlatko ; Somolanji, Marija ; Stojšić, Josip

engleski

Life prediction of damaged PE 80 gas pipes

This papers deals with new approach to life estimation of damaged thick-walled gas pipes made of high-density polyethylene (PE 80). The most common approaches to polyethylene gas pipes durability prediction rely on methods of fracture mechanics, which involve defining the stress intensity factor experimentally. However, such tests are carried out on standardized specimens neglecting the influence of real pipe geometry and processing method. On the other hand, these data are not always available to gas distributors, which are responsible for installed pipelines durability. Investigations based on long-term experiments involving three parameters: presure, length and depth of initial notch type crack gave empirical mathematical model for life prediction of polyethylene gas pipes.

pipe damages; pipe bursting time; PE 80 pipes

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Podaci o izdanju

16 (3)

2009.

33-37

objavljeno

1330-3651

Povezanost rada

Strojarstvo

Indeksiranost