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一、概述乳化沥青的出现和发展与筑路工程紧密的联系在一起。早在1906～1914年期间首先在筑路中露面,二十年来已形成了许多用乳化沥青筑路的方法,得到了较广泛的应用。当时乳化沥青是阴离子型的,到五十年代初阳离子乳化沥青的出现,使乳化沥青的应用更加广泛。近十年来又出现了非离子型和两性离子型乳化沥青。我国在解放初期也曾用阴离子乳化沥青筑路,规模一直不大,1978年开始研究和试验阳离子乳化沥青的路用性能,发展很快。沥青的粘度受温度影响很大,给施工带来很多不变,乳化沥青正是为了改变沥青的施工
First, an overview of the emergence and development of emulsified asphalt and road construction projects closely linked. As early as 1906 ~ 1914 during the first appearance in the road construction, two decades has formed a lot of ways to use emulsified asphalt road construction has been more widely used. At that time, the emulsified asphalt was anionic, and the appearance of cationic emulsified asphalt in the early 1950s made the emulsified asphalt more widely used. In the past decade there have been nonionic and amphoteric emulsified asphalt. In the early liberation of our country also used anionic emulsified asphalt road construction, the scale has been small, in 1978 began to study and test the cationic emulsified asphalt road performance, developed rapidly. The viscosity of asphalt is greatly influenced by temperature, which brings many changes to the construction. The emulsified asphalt is just for changing the construction of asphalt