The effects of the connected void ratio of different matrix mixtures and the addition of different toughening material grouting materials on the high temperature rutting resistance,low temperature bending performance and semi-circular bending crack resistance of semi-flexible pavement materials were studied experimentally,and the application was carried out in the engineering test section.The results show that the semi-flexible pavement material can obtain the road performance of semi-flexible pavement material with a balance of high and low temperature performance,and the road cracking rate is reduced by about 50％by using 15.2％matrix asphalt mixture with 10％emulsified asphalt grout or 5％emulsified asphalt grout.
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