Analysis method of vehicle vibration response caused by pavement roughness

Song Yi-fan; Chen Rong-feng

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Song Yi-fan, Chen Rong-feng. Analysis method of vehicle vibration response caused by pavement roughness[J]. Journal of Traffic and Transportation Engineering, 2007, 7(4): 39-43.

Citation:

Song Yi-fan, Chen Rong-feng. Analysis method of vehicle vibration response caused by pavement roughness[J]. Journal of Traffic and Transportation Engineering, 2007, 7(4): 39-43.

Song Yi-fan, Chen Rong-feng. Analysis method of vehicle vibration response caused by pavement roughness[J]. Journal of Traffic and Transportation Engineering, 2007, 7(4): 39-43.

Citation:

Song Yi-fan, Chen Rong-feng. Analysis method of vehicle vibration response caused by pavement roughness[J]. Journal of Traffic and Transportation Engineering, 2007, 7(4): 39-43.

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Analysis method of vehicle vibration response caused by pavement roughness

Song Yi-fan^1
,,
Chen Rong-feng^{1, 2}

1.
Key Laboratory for Bridge and Tunnel of Shaanxi Province, Chang' an University, Xi' an 710064, Shaanxi, China
2.
Traffic Consultation and Service Center of Guangdong Province, Guangzhou 510101, Guangdong, China

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Author Bio:
Song Yi-fan (1960-), male, professor, +86-29-82334837, songyfan@126.com
Received Date: 2006-12-29
Publish Date: 2007-08-25

Abstract

Abstract

In order to analyze the interaction of pavement and vehicle, an analysis method of couple vibration between 1/2-four-degree vehicle model and rough pavement was proposed.According to the power spectral density function advised by GB/T 7031-1986, the effect of the vehicle natural vibration frequency and velocity was studied, the discrete data of power spectral density within definite frequency range were obtained, the value of pavement roughness was obtained by Fourier reverse transform. The samples were taken as the input disturbances of a 1/2 vehicle vertical dynamics model, and the time-domain response of vehicle system caused by pavement roughness was obtained by numerical simulation. Analysis result shows that the value of dynamic load coefficient increases linearly along with the increase of vehicle velocity, but non-linearly along with the grade increase of pavement roughness, and the grade of pavement roughness is most marked factor of vehicle dynamic effect.
- automobile engineering,
- vehicle vibration response,
- Fourier reverse transform,
- pavement roughness,
- dynamic load coefficient

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References(19)

References

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