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对废弃轮胎胶粉的酸值进行了测试 ,并据此进行了胶粉表面活化处理 ,再用作为沥青混合料的改性剂。用马歇尔试验、车辙试验和低温劈裂试验分别比较了活化胶粉与未活化胶粉改性后的沥青混合料性能变化。
The acid value of the waste tire powder was tested, and then the powder surface activation treatment, and then as a modifier of asphalt mixture. The performance of asphalt mixture modified with activated rubber and unactivated rubber was compared with Marshall test, rutting test and low temperature splitting test respectively.