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2014 (Vol. 7, Issue: 5)
Article Information:

Asphalt Pavement Deflection due to a Circular Load and Temperature Modified Coefficient

Hu Honglong
Corresponding Author:  Hu Honglong 

Key words:  Asphalt Pavement, deflection, modulus of surface course, temperature modified coefficient, , ,
Vol. 7 , (5): 1029-1032
Submitted Accepted Published
January 31, 2013 March 02, 2013 February 05, 2014
Abstract:

This study proposed an approximate computation method of pavement deflection due to a circular and regression formulas among temperature modified coefficient to deflection, the average temperature of surface course and pavement structure parameters. Based on theoretical solution of pavement deflection which is beneath the center of the load due to a circular load applied on a homogeneous half-space, by introducing structure parameter modified coefficient &zeta, approximate computation method of pavement deflection due to a circular applied to a two-layer or multilayer pavement was given. Most regression formulas of temperature modified coefficient to deflection were dependent of testing data, we studied on influence factors of temperature modified coefficient to deflection from a theoretical view and then established an approximate formula among modified coefficient K, the average temperature of surface course T and pavement structure parameters are then established. The results show that temperature modified coefficient to deflection was dependent of the average temperature of surface course and pavement structure parameters. The calculation results using regression formulas in this study can be satisfied with engineering precision requirements.
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  Cite this Reference:
Hu Honglong, 2014. Asphalt Pavement Deflection due to a Circular Load and Temperature Modified Coefficient.  Research Journal of Applied Sciences, Engineering and Technology, 7(5): 1029-1032.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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