通过对大孔隙沥青混合料的孔隙率、配合比及力学指标的研究，为透水性沥青路面设计及应用提供指导。
Studying the porosity of asphalt mixture with large pores, proportioning and mechanics target offers an instructions for design of permeable asphalt pavement and its application.
传统的半刚性基层沥青路面，由于基层刚度大、透水性较差，面层反射裂缝多，路面易过早发生疲劳开裂现象。
As primary stiffness, poor water permeability, reflective cracking of pavement surface layer. Traditional semi-rigid base asphalt pavement are easy to premature fatigue cracking phenomenon.
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