Numerical analysis of dynamic response on asphalt pavement

Luo Hui; Zhu Hong-ping; Hao Xing-zhou

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Luo Hui, Zhu Hong-ping, Hao Xing-zhou. Numerical analysis of dynamic response on asphalt pavement[J]. Journal of Traffic and Transportation Engineering, 2007, 7(4): 44-47.

Citation:

Luo Hui, Zhu Hong-ping, Hao Xing-zhou. Numerical analysis of dynamic response on asphalt pavement[J]. Journal of Traffic and Transportation Engineering, 2007, 7(4): 44-47.

Luo Hui, Zhu Hong-ping, Hao Xing-zhou. Numerical analysis of dynamic response on asphalt pavement[J]. Journal of Traffic and Transportation Engineering, 2007, 7(4): 44-47.

Citation:

Luo Hui, Zhu Hong-ping, Hao Xing-zhou. Numerical analysis of dynamic response on asphalt pavement[J]. Journal of Traffic and Transportation Engineering, 2007, 7(4): 44-47.

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Numerical analysis of dynamic response on asphalt pavement

1.
School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
2.
Hubei Key Laboratory of Control Structure, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China

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Author Bio:
Luo Hui (1979-), male, EngD, +86-27-87556774, luohui@smail.hust.edu.cn
Received Date: 2007-02-12
Publish Date: 2007-08-25

Abstract

Abstract

In order to optimize the structural design of asphalt pavement, non-reflective boundary was introduced, structural dynamics theory was adopted, its dynamic responses under moving loads were analyzed by using finite element method. It is pointed that tensile stress and surface deflection decrease with the increases of base course modulus, friction coefficient, vehicle velocity and surface course damping, but the shear stress ascends with the raises of tire pressure and base course modulus. Analysis result shows that it is not appropriate to simply increase base course modulus and thickness, the base design should be optimized synthetically; good contacting condition and great damping material lead to fine pavement performance; the velocity increase of vehicle can extend pavement service life.
- pavement engineering,
- dynamic analysis,
- non-reflective boundary,
- viscoelasticity,
- contacting condition between interfaces

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References(16)

References

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