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- W2364784304 abstract "The track irregularity power spectrum density of Beijing-Shanghai,Shanghai-Hangzhou and Shanghai-Nanjing High-speed railway was computed with Welch Periodogram method,and the characteristics of track irregularity was investigated from the perspective of wavelength and amplitude,meanwhile comprehensive exploration was made to analyze the causes.Then the coherence theory was adopted to analyze track irregularity and train vibration acceleration,and based on this,the train's detrimental wavelength caused by track irregularity was studied.The results show that high-speed railway like Beijing-Shanghai,Shanghai—Hangzhou,Shanghai—Nanjing has a detrimental wavelength ranging among 2.8—2.9,6.45—6.5,24—25 and 32—33 m,respectively.The track irregularity also has a significant effect on vertical acceleration of the car-body,and the periodic shortwave range 2—3.5 m induced by cross-level and twist irregularity has an adverse impact on vertical and lateral vibration." @default.
- W2364784304 created "2016-06-24" @default.
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- W2364784304 date "2013-01-01" @default.
- W2364784304 modified "2023-09-28" @default.
- W2364784304 title "Analysis of track irregularity spectrum for high-speed railway ( Beijing—Shanghai,Shanghai—Hangzhou and Shanghai—Hangzhou Railway)" @default.
- W2364784304 hasPublicationYear "2013" @default.
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