Activation of Unblown Bitumen by Introducing of a Surface-Active Substance (SAS)

The research work explores the problem of durability of asphalt concrete and tried to find cheap and available activator for bitumen. There are a lot of different road-building materials nowadays. Some of them are organic binding materials. The most widespread kinds of binding materials used nowadays are bitumens. They are cheap and popular in road-building industry. The most popular bitumen, used in our country is the blown bitumen made by dry air oxidation method made of residual asphalts. But often these bitumens don´t satisfy modern demands of consumers. One of the main reasons of putting the road out of action is the formation of surface undulating defects under the influence of means of transport in conditions of high temperatures. This reason rises wear of a road. But the usage of surface-active substances helps to solve the problems of the upgrading the technological process improving quality of road building materials nowadays.