Fatigue Strength of Bogie Frame of High-Speed Train under Spectrum Load

MI Caiying; LI Fu

Volume 19 Issue 3

Jun. 2006

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Journal of Southwest Jiaotong University > 2006 > 19(3): 381-385.

MI Caiying, LI Fu. Fatigue Strength of Bogie Frame of High-Speed Train under Spectrum Load[J]. Journal of Southwest Jiaotong University, 2006, 19(3): 381-385.

Citation:

MI Caiying, LI Fu. Fatigue Strength of Bogie Frame of High-Speed Train under Spectrum Load[J]. Journal of Southwest Jiaotong University, 2006, 19(3): 381-385.

MI Caiying, LI Fu. Fatigue Strength of Bogie Frame of High-Speed Train under Spectrum Load[J]. Journal of Southwest Jiaotong University, 2006, 19(3): 381-385.

Citation:

MI Caiying, LI Fu. Fatigue Strength of Bogie Frame of High-Speed Train under Spectrum Load[J]. Journal of Southwest Jiaotong University, 2006, 19(3): 381-385.

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Fatigue Strength of Bogie Frame of High-Speed Train under Spectrum Load

MI Caiying,
LI Fu

Received Date: 10 Oct 2005
Publish Date: 25 Jun 2006

Abstract

Abstract

To forecast fatigue strength or fatigue life of the bogie frame of a high-speed train effectively,a method for fatigue strength forecasting based on tested spectrum loads was proposed.First,with this method,test loads and their cycle numbers for fatigue strength of the bogie frame based on the criteria UIC515-4 and UIC615-4 are graded by using the rain-flow counting method.Second,tresses in the bogie frame under each level of loads are calculated by using the finite element method,multiaxial stresses are changed into a uniaxial stress,and the equivalent stress in the frame is calculated by using the Palmgren-Miner linear cumulative damage hypothesis.Finally,the fatigue strength or fatigue life of the frame is forecasted on the basis of the S-N fatigue life curve.A calculation example shows the validity of this method.
- high-speed train,
- frame,
- spectrum load,
- fatigue strength,
- multiaxial stress,
- uniaxial stress

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References

UIC515-4/1993 Eisenbahnfahrzeuge für den Transport von Fahrgsten:Laufdrehgestelle-Laufwerk "Festigkeitsprüfung am Rahmen von Drehgestellen "[S]. Paris:Internationaler Eisenverband,1993.[2] TB/T2368-2005 动力转向架构架强度试验方法[S]. 北京:中国铁道出版社,2005.[3] Forschungs-und Versuchsamt des Internationalen Eisenbahnverbandes.Standardisierung der Gütterwagen,Frage B12/RP17-1982[R]. Utrecht:Banth Verlag,1982,A7:3-4.[4] 米彩盈,李芾.焊接转向架构架疲劳强度评定的工程方法[J]. 内燃机车,2002(6):11-14.MI Caiying,LI Fu.Engineering method of evaluating fatigue strength for welded bogie frame[J]. Diesel Locomotives,2002,(6):11-14.[5] DIN15018-1984 Krane,Grundsaetz fuer Stahltragwerke[S]. Berlin:Beuth Verlag,1984:17-18.[6] ECCS-Technical Commitee6-Fatigue.Recommendations for the fatigue design of steel structures.European Convention for Constructional Steelwork[S]. Zuerich:Publ.Schweizer Zentralstelle für Stahlbau,1987[7] 米彩盈,李芾.高速动力车转向架焊接构架优化设计[J]. 机车电传动,2005(1):46-49.MI Caiying,LI Fu.Optimization design of welded bogie frame for high speed power car[J]. Electric Drive for Locomotives,2005(1):46-49.

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沈阳化工大学材料科学与工程学院沈阳 110142

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Fatigue Strength of Bogie Frame of High-Speed Train under Spectrum Load

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