To minize or eliminate rutting of heavy duty asphalt pavement, large stone asphalt mixture has been brought forward.Used on base, it s easy to produce fatigue crack under reiterated traffic load.

• 大粒径沥青混合料由于其一般应用于基层,处于受拉的应力状态,在荷载的反复作用下,易产生疲劳断裂破坏。