Strengthening the subgrade of roads with the use of cement
Use of local economic materials contributes to the pace of construction and reconstruction of roads. One of these materials is cement-reinforced soil. In recent years, they are increasingly used to base pavement. However, in the field of design and construction of pavements with structural layers of cement ground, many provisions require verification and refinement. The authors of the article paid attention to the complex strengthening of soils simultaneously with cements and organic binders (bitumen). The use of latter increases the water resistance and durability of soil aggregates. The authors have conducted studies to identify the calculated indicators of artificial saline soils, reinforced with cement, stabilized with bitumen emulsion in laboratory and field conditions. This article discusses the improvement, strength and deformation characteristics of loess soils used in the construction of road pavements with complex reinforcement.