Research On Rutting Standard Based On Asphalt Pavement Temperature Field

There are limitations of prescription in criterion for the dynamic stability test for asphalt mixture. Some pavements come into rutting when it satisfied the prescription in criterion, but the others don't come into rutting even it can't satisfied the prescription in criterion. So that researching on the reasonable number and testing temperature have important practical significance.In this article, by analyzing the temperature measured in the Heku expressed way ,the tested pavement temperature development by depth is obtained and the actual pavement temperature of different depth is calculated. The shearing stress which is produced by load is calculated for changed modulus with temperature. The rule of shearing strength development by temperature is obtained through the analyse of the shearing strength of asphalt mixture of different temperature. The shearing strength of different aggregate for different depth is calculated,and make compare with the shearing stress;The dynamic stability of different aggregate asphalt mixture are tested. The rule of dynamic stability development by the highest pavement temperature is obtained through the analyse of the dynamic stability for different aggregate asphalt mixture.,meanwhile by using the predition formula of rutting and critical depth of rutting ,back calculate the critical shearing strength of Asphalt mixture and we obtain that the relation between the shearing strength and the dynamic stability .Combining with Xin'jiang's reality ,the reasonable numble of dynamic stability is obtained.