ABSTRACT
For structures exposed to dynamic effects during operation, the ability of the material, from which they are made, to resist them is important. Such structures include underground metro facilities, road and airfield pavements, foundations of bridges and racks, etc. The article discusses the features of high-strength cement-free alkali-activated slag concretes that allow them to be used for the manufacture of transport structures operating under difficult service conditions. High endurance of alkali-activated slag concretes under dynamic impact is shown, due to the presence in its structure of a large volume of low-base calcium hydrosilicates, which have an increased relaxation ability, higher than that of concrete from Portland cement, greater strength in the contact area of alkali-activated slag stone and filler, the increased number of gel and closed spherical pores that play the role of dampers in the structure of concrete.
