Abstract
Based on the typical full depth asphalt pavement structure in Shandong Province, the mechanical response of full depth asphalt pavement structure is analyzed by the elastic layer theory to optimize the combination of full depth high modulus asphalt pavement structure. The reasonable layer of high modulus asphalt mixture was determined. And the influence of interlayer bonding state and temperature on the performance of full depth high modulus asphalt pavement were analyzed. The fatigue life of full depth high modulus asphalt pavement, full depth ordinary asphalt pavement and semi-rigid base asphalt pavement was compared. The results show that the use of high modulus asphalt concrete can significantly improve the structural performance of full depth asphalt pavement. The application of high modulus asphalt mixture in middle and base layer is the most reasonable. The interlayer bonding condition and temperature have significant influence on the tensile strain of asphalt pavement structure. The fatigue life of asphalt pavement under high temperature condition is lower, which should be taken into consideration in the design of pavement structure. The calculated fatigue life of full depth high modulus asphalt pavement is obviously higher than that of full depth ordinary asphalt pavement and semi-rigid base asphalt pavement.
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