Standardization field | Mechanical engineering |
Technical committee | BAS/TC 41- Pressure equipment and containers |
Term (EN) | primary stress |
Definition (EN) | stress which satisfies the laws of equilibrium of applied loads (pressure, forces and moments)
Note 1 to entry: General primary membrane stresses are distributed in the structure such that no essential stress redistribution occurs as a result of yielding. As plasticity develops, a stage is reached where the structure fails.
Note 2 to entry: Local primary stresses will be redistributed on yielding and will thus cause no immediate failure, but will cause major (unacceptable) distortion of the structure.
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Term (BS) | primarni naponi |
Definition (BS) | napon koji zadovoljava uvjete ravnoteže primijenjenih opterećenja (pritisak, sile i momenti)
Napomena 1: Opći primarni membranski naponi distribuirani su u konstrukciji tako da se ne dešava distribucija neesencijalnih napona kao posljedica tečenja. Kad se razvija plastičnost, dostiže se stanje pri kojem konstrukcija ne zadovoljava.
Napomena 2: Lokalni primarni naponi preraspodijeliti će se pri tečenju i tako prouzrokovati odgođenu havariju, ali će uzrokovati glavnu (nedozovljenu) deformaciju konstrukcije.
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Date | 2016-11-28 |
Standards | BAS EN 764-1+A1:2016 |
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