Lowtemperature crack resistance of coal gangue powder and .
WEBMar 30, 2020 · The design gradation of the aggregate meets the gradation requirements of the AC13 densegraded asphalt mixture according to the Chinese Technical Specifiions for Construction of Highway Asphalt Pavements [30]. The gradation curve is illustrated in Fig. 1. Following the research objective, mineral powder and CGP. .