the asphalt mixture's crack resistance at low temperature is one of the key pavement performances in perennially frozen soil zone, and aging procedure has important effect on it.
沥青混合料的低温抗裂性能是多年冻土地区沥青路面的关键路用性能之一,老化对其有着重要影响。
at present, the study on mechanical behavior of graded broken stone is very limited and there is no any study of its application especially in perennially frozen soil zone.