After a mix design in laboratory,the foaming characteristics of asphalt,water content added in mixing process and optimum asphalt contents of different gradations were determined.

• 通过室内配合比设计,确定了沥青的发泡条件、不同配比的拌和用水量及最佳泡沫沥青用量,经过比选确定了试验路的最终级配组成并进行了各项力学试验。