A STUDY ON THE MIX DESIGN OF POROUS ASPHALT CONCRETE THAT TAKE WEARING RESISTANCE INTO CONSIDERATION IN SNOWY COLD REGIONS

There is a need for further advancement of porous asphalt concrete pavement following its wide usage. Wearing resistancecharacteristic to porous asphalt pavement has become an important issue for its application in snowy cold regions. We havepointed out the relationship between the raveling test results and various kinds of characteristic of materials and mixproportion design of a porous asphalt concrete. Furthermore, as an advanced technology, this report examined wearingresistance characteristic of a porous asphalt concrete with small grain size and surface air void filled with resin mortar.Results obtained from these investigation showed that desirable wear resistant characteristics of porous asphalt concrete pavement should been designed in selecting both coarse and fine aggregate, binder type and mix proportion.