Residual stresses as a factor of railroad rail fatigue

• Autorzy: Pazdanowski, M.

Warianty tytułu

PL

Naprężenia resztkowe jako czynnik zmęczenia szyn kolejowych

• Języki publikacji: EN

Abstrakty

EN

An analysis of the influence of residual stresses on material fatigue is presented in this paper. Residual stress distribution in railroad rails subjected to simulated service loads is considered. A mechanical model based on the plastic shakedown theory was used to determine residual stresses and the Dang Van fatigue criterion was applied.

PL

W artykule przedstawiono analizę wpływu naprężeń resztkowych wywołanych symulowanym obciążeniem szyn kolejowych kołami taboru kolejowego na zmęczenie materiału szyny. Do wyznaczenia rozkładu naprężeń resztkowych zastosowano model mechaniczny oparty na teorii plastycznego przystosowania, a jako kryterium zmęczeniowe przyjęto kryterium Dang Vana.

Słowa kluczowe

PL

naprężenia resztkowe; zmęczenie materiału; kryterium Dang Vana

EN

residual stresses; material fatigue; Dang Van's criterion

• Czasopismo: Czasopismo Techniczne. Budownictwo
• Rocznik: 2014
• Tom: R. 111, z. 4-B
• Strony: 39--46
• Opis fizyczny: Bibliogr. 23 poz., il., wz.

Twórcy

autor

Pazdanowski, M.

• Institute for Computational Civil Engineering, Faculty of Civil Engineering, Cracow University of Technology

Bibliografia

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