 
          1368
        
        
          Proceedings of the 18
        
        
          th
        
        
          International Conference on Soil Mechanics and Geotechnical Engineering, Paris 2013
        
        
          4. Calculated values for mechanical characteristics of
        
        
          soils should be determined in laboratory and field conditions.
        
        
          5. Carrying out of profound analysis for stress-deformed
        
        
          condition of road structures using reliable calculated values for
        
        
          mechanical characteristics of soils and considering value variety
        
        
          and phase content of moisture for soil basement in different
        
        
          climatic conditions is important for practical purposes.
        
        
          REFERENCES
        
        
          SN RK 3.03-34-2006. 2005. Instructions for design of non-rigid
        
        
          pavement. Astana.
        
        
          Tsytovich N.A. 1973.
        
        
          
            Mechanics of frozen soils
          
        
        
          . Moscow.
        
        
          Privarnikov A.K. 1973. Volumetric deformations of multilayer
        
        
          basement.
        
        
          
            Stability and strength of structural elements
          
        
        
          .
        
        
          Dnepropetrovsk, 27-45.
        
        
          Figure 7. Longitudinal crack in cement concrete pavement
        
        
          of the highway “Astana-Burabai”
        
        
          Figure 8. Transversal crack in cement concrete pavement
        
        
          of the highway “Astana-Burabai”
        
        
          Figure 9. Oblique crack in cement concrete pavement
        
        
          of the highway “Astana-Burabai”
        
        
          is similar. Their maximum values occur in summer and autumn
        
        
          seasons, which are substantially bigger than in spring
        
        
          calculation season and can be the cause for appearing of
        
        
          longitudinal, transversal and oblique cracks in cement concrete
        
        
          pavement. Tensile deformation of cement concrete pavement
        
        
          varies little in annual cycle.
        
        
          3. The issue of further investigation of peculiarities for
        
        
          moisture variety of soil basement for highways in different
        
        
          climatic conditions is topical.