[1] Yao Hui, Li Liang, Xie Hua, Feng Yu, et al. Mechanics analysis of vehicle bumping at approach slabswith superelevation [J]. Journal of Southeast University (English Edition), 2012, 28 (2): 221-228. [doi:10.3969/j.issn.1003-7985.2012.02.016]

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Mechanics analysis of vehicle bumping at approach slabswith superelevation()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

28

Issue:

2012 2

Page:

221-228

Research Field:

Traffic and Transportation Engineering

Publishing date:

2012-06-30

Info

Title:

Mechanics analysis of vehicle bumping at approach slabswith superelevation

Author(s):

Yao Hui¹;  Li Liang¹;  Xie Hua²;  Feng Yu³

¹ School of Civil Engineering and Architecture, Central South University, Changsha 410075, China
² Department of Civil and Environmental Engineering, University of Alberta, Edmonton AB780, Canada
³ Hunan Highway Ad

Keywords:

road engineering;  mechanics analysis;  approach slab;  vehicle model;  motion equation

PACS:

U443.82

DOI:

10.3969/j.issn.1003-7985.2012.02.016

Abstract:

In order to analyze the pavement stress caused by vehicle bumping at an approach slab, a simplified four-wheeled bi-axle vehicle-moving model is proposed. The effect of damping and vibration reduction in the process of vehicle-moving is not considered. Based on the position change of vehicle wheels at the approach slab, the vehicle dynamic vibration equations are summarized. Meanwhile, the undetermined coefficients of the vibration equations are obtained using the boundary and initial conditions of the vehicle. The analytical motion solutions of rear and front wheels at different stages are concluded. Consequently, a four-wheeled vehicle model is developed and vibration equations are provided, which can be used to analyze the impact of complicated stress on pavement. The results show that the excessive stress and stress concentration will occur at the approach slab, and it needs to be strengthened.

References:

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Memo

Memo:

Biographies: Yao Hui(1981—), male, graduate; Li Liang(corresponding author), male, doctor, professor, liliang_csu@126.com.
Foundation items: The Doctoral Program of Central South University(No.2010ybfz048), the National High Technology Research and Development Program of China(863 Program)(No.2007AA021908).
Citation: Yao Hui, Li Liang, Xie Hua, et al.Mechanics analysis of vehicle bumping at approach slabs with superelevation[J].Journal of Southeast University(English Edition), 2012, 28(2):221-228.[doi:10.3969/j.issn.1003-7985.2012.02.016]

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