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《Traffic Engineering and Technology for National Defence》 2019-06
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A Study of Restoring the Performance of Aged Asphalt with APR Reductant

WU Zhengjiang;OU Zhenyu;LUO Qunxing;LONG Jiutian;The Kaili Highway Administration Bureau of Guizhou Province;  
Through simulating the indoor aging degree of roads at different stages,using different doses of APR reduction regenerant to repair the aged asphalt,and in combination with the tests of the asphalt extracted from the asphalt mixture,the aged-asphalt-repairing function of APR reduction regenerant is proved.The experimental results show that the shorter the aging time is,the better the repairing effect will be,and the best effect will be obtained when the pavement is actually used for 2 to 3 years.
【CateGory Index】: U414
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