Test of AC - 20 asphalt mixture ratio on the runway of Da Lian Airport

After years of use, there’s oil loss on the asphalt pavement. bond strength aggregate decreases. Loose threshing is serious. In order to improve pavement performance, Extend service life pavement, Improve safety aircraft operation. we test AC-20 modified mixture runway Da Lian Airport from many factors, including raw materials, admixtures, gradation design, optimum ratio stone, then find best ways resolve it.